80821429920

Names of 80821429920

• Cardinal: 80821429920 can be written as Eighty billion, eight hundred twenty-one million, four hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.082142992 × 10¹⁰

Factors of 80821429920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 907

Divisors of 80821429920

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 20 21 22 24 28 30 32 33 34 35 36 40 42 44 45 48 51 53 55 56 60 63 66 68 70 72 77 80 84 85 88 90 96 99 102 105 106 110 112 119 120 126 132 136 140 144 153 154 159 160 165 168 170 176 180 187 198 204 210 212 220 224 231 238 240 252 255 264 265 272 280 288 306 308 315 318 330 336 340 352 357 360 371 374 385 396 408 420 424 440 462 476 477 480 495 504 510 528 530 544 560 561 583 595 612 616 630 636 660 672 680 693 714 720 742 748 765 770 792 795 809 816 840 848 880 901 924 935 952 954 990 1008 1020 1056 1060 1071 1113 1120 1122 1155 1166 1190 1224 1232 1260 1272 1309 1320 1360 1386 1428 1440 1484 1496 1530 1540 1584 1590 1618 1632 1680 1683 1696 1749 1760 1785 1802 1848 1855 1870 1904 1908 1980 2016 2040 2120 2142 2226 2244 2310 2332 2380 2385 2427 2448 2464 2520 2544 2618 2640 2703 2720 2772 2805 2856 2915 2968 2992 3060 3080 3168 3180 3236 3339 3360 3366 3465 3498 3570 3604 3696 3710 3740 3808 3816 3927 3960 4045 4080 4081 4240 4284 4452 4488 4505 4620 4664 4760 4770 4854 4896 5040 5088 5236 5247 5280 5355 5406 5544 5565 5610 5663 5712 5830 5936 5984 6120 6160 6307 6360 6472 6545 6678 6732 6930 6996 7140 7208 7281 7392 7420 7480 7632 7854 7920 8090 8109 8160 8162 8415 8480 8568 8745 8899 8904 8976 9010 9240 9328 9520 9540 9708 9911 10080 10472 10494 10710 10812 11088 11130 11220 11326 11424 11660 11781 11872 12135 12240 12243 12320 12614 12720 12944 13090 13356 13464 13515 13753 13860 13992 14280 14416 14562 14840 14960 15264 15708 15840 16180 16218 16324 16695 16830 16989 17136 17490 17798 17808 17952 18020 18480 18656 18921 19040 19080 19416 19635 19822 20405 20944 20988 21420 21624 22176 22260 22440 22652 23320 23562 24270 24480 24486 25228 25440 25888 26180 26235 26697 26712 26928 27030 27506 27720 27984 28315 28560 28832 29124 29680 29733 29920 31416 31535 32360 32436 32648 33390 33660 33978 34272 34980 35596 35616 36040 36405 36729 36960 37842 38160 38832 39270 39644 40545 40810 41259 41888 41976 42840 42877 43248 44495 44520 44880 45304 46640 47124 48540 48972 49555 50456 50967 52360 52470 53394 53424 53856 54060 55012 55440 55968 56630 56763 57120 58248 58905 59360 59466 61215 62293 62832 63070 64720 64872 65296 66780 67320 67956 68765 69377 69960 71192 72080 72810 73458 75684 76320 77664 78540 79288 80091 81090 81620 82518 83952 84945 85680 85754 86496 88990 89040 89199 89760 90608 93280 94248 94605 96271 97080 97944 99110 100912 101934 104720 104940 106788 106848 108120 110024 110880 113260 113526 116496 117810 118932 122430 123777 124586 125664 126140 128631 129440 129744 130592 133485 133560 134640 135912 137530 138754 139920 142384 144160 145620 146916 148665 151283 151368 157080 158576 160182 162180 163240 165036 167904 169890 171360 171508 177980 178080 178398 181216 183645 186879 188496 189210 192542 194160 195888 198220 201824 203868 206295 208131 209440 209880 213576 214385 216240 220048 226520 227052 232992 235620 237864 244860 247554 249172 252280 254835 257262 259488 266970 267120 269280 271824 275060 277508 279840 283815 284768 288813 291240 293832 297330 300139 302566 302736 311465 314160 317152 320364 324360 326480 330072 339780 343016 346885 355960 356796 367290 373758 376992 378420 385084 385893 388320 391776 396440 400455 407736 412590 416262 419760 427152 428770 432480 440096 445995 453040 453849 454104 471240 471647 475728 481355 489720 495108 498344 504560 509670 514524 533940 534240 543648 550120 555016 560637 567630 577626 582480 587664 594660 600278 605132 605472 618885 622930 624393 628320 640728 643155 648720 652960 660144 679560 686032 693770 711920 713592 728909 734580 747516 756415 756840 770168 771786 792880 800910 815472 825180 832524 839520 854304 857540 866439 891990 900417 906080 907698 908208 934395 942480 943294 951456 962710 979440 990216 996688 1009120 1019340 1029048 1040655 1058981 1067880 1100240 1110032 1121274 1135260 1155252 1164960 1175328 1189320 1200556 1210264 1237770 1245860 1248786 1281456 1286310 1297440 1320288 1359120 1361547 1372064 1387540 1414941 1423840 1427184 1444065 1457818 1469160 1495032 1500695 1512830 1513680 1540336 1543572 1585760 1601820 1630944 1650360 1665048 1715080 1732878 1783980 1800834 1815396 1816416 1868790 1884960 1886588 1925420 1929465 1958880 1980432 1993376 2038680 2058096 2081310 2117962 2135760 2186727 2200480 2220064 2242548 2269245 2270520 2310504 2358235 2378640 2401112 2420528 2475540 2491720 2497572 2562912 2572620 2701251 2718240 2723094 2775080 2803185 2829882 2854368 2888130 2915636 2938320 2990064 3001390 3025660 3027360 3080672 3087144 3121965 3176943 3203640 3300720 3301529 3330096 3430160 3465756 3567960 3601668 3630792 3644545 3737580 3773176 3850840 3858930 3960864 4077360 4116192 4162620 4235924 4244823 4271520 4332195 4373454 4485096 4502085 4538490 4541040 4621008 4716470 4757280 4802224 4841056 4951080 4983440 4995144 5102363 5145240 5294905 5402502 5446188 5550160 5606370 5659764 5776260 5831272 5876640 5980128 6002780 6051320 6174288 6243930 6353886 6407280 6560181 6601440 6603058 6660192 6807735 6860320 6931512 7074705 7135920 7203336 7261584 7289090 7475160 7546352 7701680 7717860 8017999 8154720 8325240 8471848 8489646 8664390 8746908 8970192 9004170 9076980 9082080 9242016 9432940 9530829 9604448 9902160 9904587 9966880 9990288 10204726 10290480 10589810 10805004 10892376 10933635 11100320 11212740 11319528 11552520 11662544 12005560 12102640 12348576 12487860 12707772 12814560 13120362 13206116 13506255 13615470 13863024 14149410 14271840 14406672 14523168 14578180 14950320 15092704 15307089 15403360 15435720 15884715 16035998 16507645 16650480 16943696 16979292 17328780 17493816 17940384 18008340 18153960 18865880 19061658 19804320 19809174 19980576 20409452 20580960 21179620 21224115 21610008 21784752 21867270 22425480 22639056 23105040 23325088 24011120 24053997 24205280 24975720 25415544 25511815 26240724 26412232 27012510 27230940 27726048 28298820 28813344 29156360 29713761 29900640 30614178 30871440 31769430 32071996 32800905 33015290 33300960 33887392 33958584 34657560 34987632 36016680 36307920 37731760 38123316 39618348 40089995 40818904 42359240 42448230 43220016 43569504 43734540 44850960 45278112 45921267 46210080 47654145 48022240 48107994 49522935 49951440 50831088 51023630 52481448 52824464 54025020 54461880 56125993 56597640 58312720 59427522 61228356 61742880 63538860 64143992 65601810 66030580 67917168 69315120 69975264 72033360 72161991 72615840 75463520 76246632 76535445 79236696 80179990 81637808 84718480 84896460 86440032 87469080 89701920 91842534 95308290 96215988 99045870 99902880 101662176 102047260 104962896 105648928 108050040 108923760 112251986 113195280 116625440 118855044 120269985 122456712 127077720 128287984 131203620 132061160 135834336 138630240 144066720 144323982 148568805 152493264 153070890 158473392 160359980 163275616 168377979 169436960 169792920 174938160 183685068 190616580 192431976 198091740 204094520 209925792 216100080 217847520 224503972 226390560 229606335 237710088 240539970 244913424 254155440 256575968 262407240 264122320 280629965 288647964 297137610 304986528 306141780 316946784 320719960 336755958 339585840 349876320 360809955 367370136 381233160 384863952 396183480 408189040 432200160 449007944 459212670 475420176 481079940 489826848 505133937 508310880 524814480 528244640 561259930 577295928 594275220 612283560 641439920 673511916 679171680 721619910 734740272 762466320 769727904 792366960 816378080 841889895 898015888 918425340 950840352 962159880 1010267874 1049628960 1122519860 1154591856 1188550440 1224567120 1282879840 1347023832 1443239820 1469480544 1524932640 1584733920 1683779790 1796031776 1836850680 1924319760 2020535748 2245039720 2309183712 2377100880 2449134240 2525669685 2694047664 2886479640 3367559580 3673701360 3848639520 4041071496 4490079440 4754201760 5051339370 5388095328 5772959280 6735119160 7347402720 8082142992 8980158880 10102678740 11545918560 13470238320 16164285984 20205357480 26940476640 40410714960 80821429920
• Sum of all divisors σ(n): 371413486080
• Sum of proper divisors (its aliquot sum) s(n): 290592056160
• 80821429920 is an abundant number, because the sum of its proper divisors (290592056160) is greater than itself. Its abundance is 209770626240

Bases of 80821429920

• Binary: 1001011010001010101010010011010100000₂
• Hexadecimal: 0x12D15526A0
• Base-36: 114MZQG0

Squares and roots of 80821429920

• 80821429920 squared (80821429920²) is 6532103534313471206400
• 80821429920 cubed (80821429920³) is 527933948028700528419995455488000
• The square root of 80821429920 is 284291.1006697185
• The cube root of 80821429920 is 4323.5668330197

Scales and comparisons

• 80,821,429,920 seconds is equal to 2,569 years, 45 weeks, 2 days, 5 hours, 12 minutes.
• To count from 1 to 80,821,429,920 would take you about five thousand, one hundred thirty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 80821429920 cubic inches would be around 360.3 feet tall.

Recreational maths with 80821429920

• 80821429920 backwards is 02992412808
• 80821429920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80821429920's digits is 45
• More coming soon!