81768270080

Names of 81768270080

• Cardinal: 81768270080 can be written as Eighty-one billion, seven hundred sixty-eight million, two hundred seventy thousand and eighty.

Scientific notation

• Scientific notation: 8.176827008 × 10¹⁰

Factors of 81768270080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 340

Divisors of 81768270080

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 29 32 34 35 40 56 58 64 68 70 80 85 107 112 116 119 128 136 140 145 160 170 173 203 214 224 232 238 256 272 280 290 320 340 346 406 428 448 464 476 493 535 544 560 580 595 640 680 692 749 812 856 865 896 928 952 986 1015 1070 1088 1120 1160 1190 1211 1280 1360 1384 1498 1624 1712 1730 1792 1819 1856 1904 1972 2030 2140 2176 2240 2320 2380 2422 2465 2720 2768 2941 2996 3103 3248 3424 3451 3460 3638 3712 3745 3808 3944 4060 4280 4352 4480 4640 4760 4844 4930 5017 5440 5536 5882 5992 6055 6206 6496 6848 6902 6920 7276 7424 7490 7616 7888 8120 8560 8960 9095 9280 9520 9688 9860 10034 10880 11072 11764 11984 12110 12412 12733 12992 13696 13804 13840 14552 14705 14980 15232 15515 15776 16240 17120 17255 18190 18511 18560 19040 19376 19720 20068 20587 21721 21760 22144 23528 23968 24220 24824 25085 25466 25984 27392 27608 27680 29104 29410 29960 30464 31030 31552 32480 34240 34510 35119 36380 37022 37120 38080 38752 39440 40136 41174 43442 44288 47056 47936 48440 49648 50170 50932 51968 52751 55216 55360 58208 58820 59920 62060 63104 63665 64960 68480 69020 70238 72760 74044 76160 77504 78880 80272 82348 85289 86884 92555 94112 95872 96880 99296 100340 101864 102935 105502 108605 110432 110720 116416 117640 119840 124120 126208 127330 129577 129920 136960 138040 140476 145520 148088 152320 155008 157760 160544 164696 170578 173768 175595 185110 188224 191744 193760 198592 200680 203728 205870 211004 217210 220864 221440 232832 235280 239680 248240 254660 259154 259840 263755 276080 280952 291040 296176 310016 314687 315520 321088 329392 341156 347536 351190 369257 370220 376448 387520 397184 401360 407456 411740 422008 426445 434420 441728 465664 470560 479360 496480 509320 518308 527510 536819 552160 561904 582080 592352 597023 629374 631040 642176 647885 658784 682312 695072 702380 738514 740440 752896 775040 794368 802720 814912 823480 844016 852890 868840 883456 941120 958720 992960 1018640 1036616 1055020 1073638 1104320 1123808 1164160 1184704 1194046 1258748 1284352 1295770 1317568 1364624 1390144 1404760 1477028 1480880 1550080 1573435 1605440 1629824 1646960 1688032 1705780 1737680 1846285 1882240 1985920 2037280 2073232 2110040 2147276 2202809 2208640 2247616 2328320 2369408 2388092 2517496 2591540 2635136 2684095 2729248 2780288 2809520 2954056 2961760 2985115 3146870 3210880 3259648 3293920 3376064 3411560 3475360 3692570 3757733 3764480 3971840 4074560 4146464 4220080 4294552 4405618 4417280 4495232 4738816 4776184 5034992 5183080 5270272 5368190 5458496 5560576 5619040 5908112 5923520 5970230 6293740 6421760 6587840 6752128 6823120 6950720 7385140 7515466 8149120 8292928 8440160 8589104 8811236 8990464 9125923 9552368 10069984 10366160 10736380 10916992 11014045 11238080 11816224 11847040 11940460 12587480 13175680 13504256 13646240 13901440 14770280 15030932 16298240 16585856 16880320 17178208 17622472 18251846 18788665 19104736 20139968 20732320 21472760 21833984 22028090 22476160 23632448 23694080 23880920 25174960 26351360 27292480 27802880 29540560 30061864 33171712 33760640 34356416 35244944 36503692 37577330 38209472 40279936 41464640 42945520 44056180 44952320 45629615 47264896 47761840 50349920 54584960 59081120 60123728 63881461 67521280 68712832 70489888 73007384 75154660 76418944 80559872 82929280 85891040 88112360 91259230 94529792 95523680 100699840 109169920 118162240 120247456 127762922 137425664 140979776 146014768 150309320 152837888 165858560 171782080 176224720 182518460 191047360 201399680 236324480 240494912 255525844 281959552 292029536 300618640 319407305 343564160 352449440 365036920 382094720 402799360 472648960 480989824 511051688 563919104 584059072 601237280 638814610 687128320 704898880 730073840 764189440 961979648 1022103376 1168118144 1202474560 1277629220 1409797760 1460147680 2044206752 2336236288 2404949120 2555258440 2819595520 2920295360 4088413504 4809898240 5110516880 5840590720 8176827008 10221033760 11681181440 16353654016 20442067520 40884135040 81768270080
• Sum of all divisors σ(n): 248902295040
• Sum of proper divisors (its aliquot sum) s(n): 167134024960
• 81768270080 is an abundant number, because the sum of its proper divisors (167134024960) is greater than itself. Its abundance is 85365754880

Bases of 81768270080

• Binary: 1001100001001110001001100100100000000₂
• Hexadecimal: 0x1309C4C900
• Base-36: 11KAPSZK

Squares and roots of 81768270080

• 81768270080 squared (81768270080²) is 6686049991875823206400
• 81768270080 cubed (81768270080³) is 546706741504084117763246784512000
• The square root of 81768270080 is 285951.5170094399
• The cube root of 81768270080 is 4340.3851598117

Scales and comparisons

• 81,768,270,080 seconds is equal to 2,599 years, 50 weeks, 6 days, 21 minutes, 20 seconds.
• To count from 1 to 81,768,270,080 would take you about five thousand, one hundred ninety-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 81768270080 cubic inches would be around 361.7 feet tall.

Recreational maths with 81768270080

• 81768270080 backwards is 08007286718
• The number of decimal digits it has is: 11
• The sum of 81768270080's digits is 47
• More coming soon!