80405998920

Names of 80405998920

• Cardinal: 80405998920 can be written as Eighty billion, four hundred five million, nine hundred ninety-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.040599892 × 10¹⁰

Factors of 80405998920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4244

Divisors of 80405998920

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 26 27 30 36 38 39 40 45 52 54 57 60 65 72 73 76 78 90 95 104 108 114 117 120 130 135 146 152 156 171 180 190 195 216 219 228 234 247 260 270 285 292 312 342 351 360 365 380 390 438 456 468 494 513 520 540 570 584 585 657 684 702 730 741 760 780 855 876 936 949 988 1026 1080 1095 1140 1170 1235 1314 1368 1387 1404 1460 1482 1560 1710 1752 1755 1898 1971 1976 2052 2190 2223 2280 2340 2470 2565 2628 2774 2808 2847 2920 2964 3285 3420 3510 3705 3796 3942 4104 4129 4161 4380 4446 4680 4745 4940 5130 5256 5548 5694 5928 6570 6669 6840 6935 7020 7410 7592 7884 8258 8322 8541 8760 8892 9490 9855 9880 10260 11096 11115 11388 12387 12483 13140 13338 13870 14040 14235 14820 15768 16516 16644 17082 17784 18031 18980 19710 20520 20645 20805 22230 22776 24774 24966 25623 26280 26676 27740 28470 29640 33032 33288 33345 34164 36062 37161 37449 37960 39420 41290 41610 42705 44460 49548 49932 51246 53352 53677 54093 55480 56940 61935 62415 66690 68328 72124 74322 74898 78451 78840 82580 83220 85410 88920 90155 99096 99864 102492 107354 108186 111483 113880 123870 124830 128115 133380 144248 148644 149796 156902 161031 162279 165160 166440 170820 180310 185805 187245 204984 214708 216372 222966 235353 247740 249660 256230 266760 268385 270465 297288 299592 301417 313804 322062 324558 341640 360620 371610 374490 392255 429416 432744 445932 470706 483093 486837 495480 499320 512460 536770 540930 557415 602834 627608 644124 649116 706059 721240 743220 748980 784510 805155 811395 891864 904251 941412 966186 973674 1019863 1024920 1073540 1081860 1114830 1176765 1205668 1288248 1298232 1412118 1449279 1486440 1497960 1507085 1569020 1610310 1622790 1808502 1882824 1932372 1947348 2039726 2118177 2147080 2163720 2229660 2353530 2411336 2415465 2434185 2712753 2824236 2898558 3014170 3059589 3138040 3220620 3245580 3530295 3617004 3864744 3894696 3918421 4079452 4236354 4459320 4521255 4707060 4830930 4868370 5099315 5425506 5648472 5726923 5797116 6028340 6119178 6441240 6491160 7060590 7234008 7246395 7836842 8138259 8158904 8472708 9042510 9178767 9414120 9661860 9736740 10198630 10590885 10851012 11453846 11594232 11755263 12056680 12238356 13563765 14121180 14492790 15297945 15673684 16276518 16945416 17180769 18085020 18357534 19323720 19473480 19592105 20397260 21181770 21702024 22907692 23510526 24476712 27127530 27536301 28242360 28634615 28985580 30595890 31347368 32553036 34361538 35265789 36170040 36715068 39184210 40691295 40794520 42363540 45815384 45893835 47021052 51542307 54255060 55072602 57269230 57971160 58776315 61191780 65106072 68723076 70531578 73430136 74449999 78368420 81382590 84727080 85903845 91787670 94042104 103084614 105797367 108510120 110145204 114538460 117552630 122383560 137446152 137681505 141063156 148899998 154626921 156736840 162765180 171807690 176328945 183575340 206169228 211594734 220290408 223349997 229076920 235105260 257711535 275363010 282126312 297799996 309253842 325530360 343615380 352657890 367150680 372249995 412338456 423189468 446699994 470210520 515423070 528986835 550726020 595599992 618507684 670049991 687230760 705315780 744499990 773134605 846378936 893399988 1030846140 1057973670 1101452040 1116749985 1237015368 1340099982 1410631560 1488999980 1546269210 1786799976 2010149973 2061692280 2115947340 2233499970 2680199964 2977999960 3092538420 3350249955 4020299946 4231894680 4466999940 5360399928 6185076840 6700499910 8040599892 8933999880 10050749865 13400999820 16081199784 20101499730 26801999640 40202999460 80405998920
• Sum of all divisors σ(n): 308064960000
• Sum of proper divisors (its aliquot sum) s(n): 227658961080
• 80405998920 is an abundant number, because the sum of its proper divisors (227658961080) is greater than itself. Its abundance is 147252962160

Bases of 80405998920

• Binary: 1001010111000100100100010110101001000₂
• Hexadecimal: 0x12B8922D48
• Base-36: 10XRNLU0

Squares and roots of 80405998920

• 80405998920 squared (80405998920²) is 6465124662323041166400
• 80405998920 cubed (80405998920³) is 519834806616411812716673940288000
• The square root of 80405998920 is 283559.5156576481
• The cube root of 80405998920 is 4316.1462352423

Scales and comparisons

• 80,405,998,920 seconds is equal to 2,556 years, 34 weeks, 2 days, 23 hours, 42 minutes.
• To count from 1 to 80,405,998,920 would take you about five thousand, one hundred thirteen 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 80405998920 cubic inches would be around 359.7 feet tall.

Recreational maths with 80405998920

• 80405998920 backwards is 02989950408
• 80405998920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80405998920's digits is 54
• More coming soon!