80979720640

Names of 80979720640

• Cardinal: 80979720640 can be written as Eighty billion, nine hundred seventy-nine million, seven hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.097972064 × 10¹⁰

Factors of 80979720640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 178

Divisors of 80979720640

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 29 32 35 38 40 49 52 56 58 64 65 70 76 80 91 95 98 103 104 112 116 130 133 140 145 152 160 182 190 196 203 206 208 224 232 245 247 260 266 280 290 304 320 343 364 377 380 392 406 412 416 448 455 464 490 494 515 520 532 551 560 580 608 637 665 686 721 728 754 760 784 812 824 832 910 928 931 980 988 1015 1030 1040 1064 1102 1120 1160 1216 1235 1274 1330 1339 1372 1421 1442 1456 1508 1520 1568 1624 1648 1715 1729 1820 1856 1862 1885 1957 1960 1976 2030 2060 2080 2128 2204 2240 2320 2470 2548 2639 2660 2678 2744 2755 2842 2884 2912 2987 3016 3040 3136 3185 3248 3296 3430 3458 3605 3640 3724 3770 3857 3914 3920 3952 4060 4120 4160 4256 4408 4459 4640 4655 4940 5047 5096 5278 5320 5356 5488 5510 5684 5768 5824 5974 6032 6080 6370 6496 6517 6592 6695 6860 6916 7105 7163 7210 7280 7448 7540 7714 7828 7840 7904 8120 8240 8512 8645 8816 8918 9280 9310 9373 9785 9880 9947 10094 10192 10556 10640 10712 10976 11020 11368 11536 11948 12064 12103 12740 12992 13034 13195 13390 13699 13720 13832 14210 14326 14420 14560 14896 14935 15080 15428 15656 15680 15808 16240 16480 17290 17632 17836 18473 18620 18746 19285 19570 19760 19894 20188 20384 20909 21112 21280 21424 21952 22040 22295 22736 23072 23896 24128 24206 25235 25441 25480 26068 26390 26780 26999 27398 27440 27664 28420 28652 28840 29120 29792 29870 30160 30856 31312 32480 32585 32960 34580 35264 35329 35672 35815 36946 37240 37492 38570 38831 39140 39520 39788 40376 40768 41818 42224 42560 42848 44080 44590 45472 46144 46865 47792 48412 49735 50141 50470 50882 50960 52136 52780 53560 53998 54796 54880 55328 56753 56840 57304 57680 59584 59740 60320 60515 61712 62624 64960 65170 65611 68495 69160 70658 71344 71630 73892 74480 74984 77140 77662 78280 79040 79576 80752 83636 84448 84721 85696 88160 89180 90944 92365 93730 95584 95893 96824 99470 100282 100940 101764 101920 104272 104545 105560 107120 107996 109592 109760 110656 113506 113680 114608 115360 119480 120640 121030 123424 125248 127205 129311 130340 131222 134995 136990 138320 141316 142688 143260 146363 147784 148960 149968 154280 155324 156560 159152 161504 167272 168896 169442 176320 176645 178087 178360 184730 187460 188993 191168 191786 193648 194155 198940 200564 201880 203528 203840 208544 209090 211120 214240 215992 219184 227012 227360 229216 230720 238960 242060 246848 250705 254410 258622 260680 262444 269990 271817 273980 276640 282632 283765 285376 286520 292726 295568 297920 299936 308560 310648 313120 318304 323008 328055 334544 338884 350987 353290 356174 356720 369460 374920 377986 383572 387296 388310 397271 397880 401128 403760 407056 417088 418180 422240 423605 428480 431984 438368 454024 454720 458432 459277 477920 479465 484120 501410 508820 517244 521360 524888 539980 543634 547960 553280 565264 567530 573040 585452 591136 599872 617120 621296 626240 636608 646555 656110 669088 671251 677768 701974 706580 712348 713440 731815 737789 738920 749840 755972 767144 774592 776620 794542 795760 802256 807520 814112 836360 844480 847210 863968 876736 890435 908048 918554 944965 955840 958930 968240 1002820 1017640 1024541 1034488 1042720 1049776 1079960 1087268 1095920 1130528 1135060 1146080 1170904 1182272 1234240 1242592 1246609 1293110 1312220 1338176 1342502 1355536 1359085 1403948 1413160 1424696 1426880 1463630 1475578 1477840 1499680 1511944 1534288 1553240 1589084 1591520 1604512 1615040 1628224 1672720 1694420 1727936 1754935 1780870 1816096 1837108 1889930 1902719 1917860 1936480 1986355 2005640 2035280 2049082 2068976 2085440 2099552 2159920 2174536 2191840 2261056 2270120 2292160 2296385 2341808 2456909 2485184 2493218 2586220 2624440 2685004 2711072 2718170 2780897 2807896 2826320 2849392 2927260 2951156 2955680 2999360 3023888 3068576 3106480 3178168 3183040 3209024 3345440 3356255 3388840 3509870 3561740 3632192 3674216 3688945 3779860 3805438 3835720 3872960 3972710 4011280 4070560 4098164 4137952 4199104 4319840 4349072 4383680 4540240 4592770 4683616 4913818 4986436 5122705 5164523 5172440 5248880 5370008 5422144 5436340 5561794 5615792 5652640 5698784 5854520 5902312 5911360 6047776 6137152 6212960 6233045 6356336 6690880 6712510 6777680 7019740 7123480 7348432 7377890 7559720 7610876 7671440 7945420 8022560 8141120 8196328 8275904 8639680 8698144 8726263 9080480 9185540 9367232 9513595 9827636 9972872 10245410 10329046 10344880 10497760 10740016 10872680 11123588 11231584 11305280 11397568 11709040 11804624 12095552 12284545 12425920 12466090 12712672 13319033 13425020 13555360 13904485 14039480 14246960 14696864 14755780 15119440 15221752 15342880 15890840 16045120 16392656 17396288 17452526 18160960 18371080 19027190 19466279 19655272 19945744 20490820 20658092 20689760 20995520 21480032 21745360 22247176 22463168 23418080 23609248 24569090 24932180 25425344 25822615 26638066 26850040 27110720 27808970 28078960 28493920 29393728 29511560 30238880 30443504 30685760 31781680 32785312 34905052 36151661 36742160 38054380 38932558 39310544 39891488 40981640 41316184 41379520 42960064 43490720 43631315 44494352 46836160 47218496 49138180 49864360 51645230 53276132 53700080 55617940 56157920 56987840 59023120 60477760 60887008 63563360 65570624 66595165 69810104 72303322 73484320 76108760 77865116 78621088 79782976 81963280 82632368 86981440 87262630 88988704 97331395 98276360 99728720 103290460 106552264 107400160 111235880 112315840 118046240 121774016 127126720 133190330 139620208 144606644 146968640 152217520 155730232 157242176 163926560 165264736 174525260 177977408 180758305 194662790 196552720 199457440 206580920 213104528 214800320 222471760 236092480 253061627 266380660 279240416 289213288 304435040 311460464 327853120 330529472 349050520 361516610 389325580 393105440 398914880 413161840 426209056 444943520 506123254 532761320 558480832 578426576 608870080 622920928 698101040 723033220 778651160 786210880 826323680 852418112 889887040 1012246508 1065522640 1156853152 1245841856 1265308135 1396202080 1446066440 1557302320 1652647360 2024493016 2131045280 2313706304 2530616270 2792404160 2892132880 3114604640 4048986032 4262090560 5061232540 5784265760 6229209280 8097972064 10122465080 11568531520 16195944128 20244930160 40489860320 80979720640
• Sum of all divisors σ(n): 266273280000
• Sum of proper divisors (its aliquot sum) s(n): 185293559360
• 80979720640 is an abundant number, because the sum of its proper divisors (185293559360) is greater than itself. Its abundance is 104313838720

Bases of 80979720640

• Binary: 1001011011010110001000111100111000000₂
• Hexadecimal: 0x12DAC479C0
• Base-36: 11798GCG

Squares and roots of 80979720640

• 80979720640 squared (80979720640²) is 6557715154932442009600
• 80979720640 cubed (80979720640³) is 531041941283123472010408198144000
• The square root of 80979720640 is 284569.3599810071
• The cube root of 80979720640 is 4326.3875956205

Scales and comparisons

• 80,979,720,640 seconds is equal to 2,574 years, 47 weeks, 6 hours, 50 minutes, 40 seconds.
• To count from 1 to 80,979,720,640 would take you about five thousand, one hundred forty-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 80979720640 cubic inches would be around 360.5 feet tall.

Recreational maths with 80979720640

• 80979720640 backwards is 04602797908
• 80979720640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80979720640's digits is 52
• More coming soon!