82129981440

Names of 82129981440

• Cardinal: 82129981440 can be written as Eighty-two billion, one hundred twenty-nine million, nine hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 8.212998144 × 10¹⁰

Factors of 82129981440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 161

Divisors of 82129981440

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 60 62 64 65 78 80 93 96 104 107 120 124 128 130 155 156 160 186 192 195 208 214 240 248 256 260 310 312 320 321 372 384 390 403 416 428 465 480 496 512 520 535 620 624 640 642 744 768 780 806 832 856 930 960 961 992 1024 1040 1070 1209 1240 1248 1280 1284 1391 1488 1536 1560 1605 1612 1664 1712 1860 1920 1922 1984 2015 2048 2080 2140 2418 2480 2496 2560 2568 2782 2883 2976 3072 3120 3210 3224 3317 3328 3424 3720 3840 3844 3968 4030 4096 4160 4173 4280 4805 4836 4960 4992 5120 5136 5564 5766 5952 6045 6144 6240 6420 6448 6634 6656 6848 6955 7440 7680 7688 7936 8060 8320 8346 8560 9610 9672 9920 9951 9984 10240 10272 11128 11532 11904 12090 12288 12480 12493 12840 12896 13268 13312 13696 13910 14415 14880 15360 15376 15872 16120 16585 16640 16692 17120 19220 19344 19840 19902 19968 20480 20544 20865 22256 23064 23808 24180 24960 24986 25680 25792 26536 26624 27392 27820 28830 29760 30720 30752 31744 32240 33170 33280 33384 34240 37479 38440 38688 39680 39804 39936 41088 41730 43121 44512 46128 47616 48360 49755 49920 49972 51360 51584 53072 53248 54784 55640 57660 59520 61440 61504 62465 63488 64480 66340 66560 66768 68480 74958 76880 77376 79360 79608 79872 82176 83460 86242 89024 92256 95232 96720 99510 99840 99944 102720 102827 103168 106144 109568 111280 115320 119040 123008 124930 126976 128960 129363 132680 133120 133536 136960 149916 153760 154752 158720 159216 159744 164352 166920 172484 178048 184512 187395 190464 193440 199020 199680 199888 205440 205654 206336 212288 215605 219136 222560 230640 238080 246016 249860 257920 258726 265360 266240 267072 273920 299832 307520 308481 309504 317440 318432 328704 333840 344968 356096 369024 374790 380928 386880 398040 399360 399776 410880 411308 412672 424576 431210 438272 445120 461280 476160 492032 499720 514135 515840 517452 530720 534144 547840 599664 615040 616962 619008 634880 636864 646815 657408 667680 689936 712192 738048 749580 773760 796080 798720 799552 821760 822616 825344 849152 862420 890240 922560 952320 984064 999440 1028270 1031680 1034904 1061440 1068288 1095680 1199328 1230080 1233924 1238016 1273728 1293630 1314816 1335360 1336751 1379872 1424384 1476096 1499160 1542405 1547520 1592160 1599104 1643520 1645232 1650688 1698304 1724840 1780480 1845120 1904640 1968128 1998880 2056540 2063360 2069808 2122880 2136576 2191360 2398656 2460160 2467848 2476032 2547456 2587260 2670720 2673502 2759744 2848768 2952192 2998320 3084810 3095040 3184320 3198208 3287040 3290464 3396608 3449680 3560960 3690240 3936256 3997760 4010253 4113080 4126720 4139616 4245760 4273152 4797312 4920320 4935696 4952064 5094912 5174520 5341440 5347004 5519488 5697536 5904384 5996640 6169620 6190080 6368640 6396416 6574080 6580928 6683755 6793216 6899360 7121920 7380480 7995520 8020506 8226160 8253440 8279232 8491520 8546304 9594624 9840640 9871392 10189824 10349040 10682880 10694008 11038976 11808768 11993280 12339240 12380160 12737280 12792832 13161856 13367510 13586432 13798720 14243840 14760960 15991040 16041012 16452320 16558464 16983040 17092608 19189248 19681280 19742784 20051265 20379648 20698080 21365760 21388016 22077952 23986560 24678480 24760320 25474560 25585664 26323712 26735020 27597440 28487680 29521920 31982080 32082024 32904640 33116928 33966080 38378496 39485568 40102530 40759296 41396160 42731520 42776032 44155904 47973120 49356960 50949120 51171328 52647424 53470040 55194880 59043840 63964160 64164048 65809280 66233856 67932160 76756992 78971136 80205060 82792320 85463040 85552064 88311808 95946240 98713920 101898240 105294848 106940080 110389760 127928320 128328096 131618560 132467712 153513984 157942272 160410120 165584640 171104128 176623616 191892480 197427840 203796480 210589696 213880160 220779520 255856640 256656192 263237120 264935424 315884544 320820240 331169280 342208256 383784960 394855680 421179392 427760320 441559040 513312384 526474240 529870848 631769088 641640480 662338560 684416512 767569920 789711360 855520640 883118080 1026624768 1052948480 1263538176 1283280960 1324677120 1368833024 1579422720 1711041280 2053249536 2105896960 2566561920 2649354240 2737666048 3158845440 3422082560 4106499072 5133123840 5475332096 6317690880 6844165120 8212998144 10266247680 13688330240 16425996288 20532495360 27376660480 41064990720 82129981440
• Sum of all divisors σ(n): 295154362944
• Sum of proper divisors (its aliquot sum) s(n): 213024381504
• 82129981440 is an abundant number, because the sum of its proper divisors (213024381504) is greater than itself. Its abundance is 130894400064

Bases of 82129981440

• Binary: 1001100011111010101000001000000000000₂
• Hexadecimal: 0x131F541000
• Base-36: 11QA2J9C

Squares and roots of 82129981440

• 82129981440 squared (82129981440²) is 6745333851334744473600
• 82129981440 cubed (82129981440³) is 553994144016726282843910569984000
• The square root of 82129981440 is 286583.2888358985
• The cube root of 82129981440 is 4346.7758103415

Scales and comparisons

• 82,129,981,440 seconds is equal to 2,611 years, 24 weeks, 6 days, 11 hours, 44 minutes.
• To count from 1 to 82,129,981,440 would take you about five thousand, two hundred twenty-two 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 82129981440 cubic inches would be around 362.2 feet tall.

Recreational maths with 82129981440

• 82129981440 backwards is 04418992128
• 82129981440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82129981440's digits is 48
• More coming soon!