81827923968

Names of 81827923968

• Cardinal: 81827923968 can be written as Eighty-one billion, eight hundred twenty-seven million, nine hundred twenty-three thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 8.1827923968 × 10¹⁰

Factors of 81827923968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 55

Divisors of 81827923968

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 43 48 49 56 63 64 72 84 86 96 98 112 126 128 129 144 147 168 172 192 196 224 252 256 258 288 294 301 336 343 344 384 387 392 441 448 504 512 516 576 588 602 672 686 688 768 774 784 882 896 903 1008 1024 1029 1032 1152 1176 1204 1344 1372 1376 1536 1548 1568 1764 1792 1806 1849 2016 2048 2058 2064 2107 2304 2352 2401 2408 2688 2709 2744 2752 3072 3087 3096 3136 3528 3584 3612 3698 4032 4116 4128 4214 4608 4704 4802 4816 5376 5418 5488 5504 5547 6144 6174 6192 6272 6321 7056 7168 7203 7224 7396 8064 8232 8256 8428 9216 9408 9604 9632 10752 10836 10976 11008 11094 12348 12384 12544 12642 12943 14112 14336 14406 14448 14749 14792 16128 16464 16512 16641 16856 18432 18816 18963 19208 19264 21504 21609 21672 21952 22016 22188 24696 24768 25088 25284 25886 28224 28812 28896 29498 29584 32256 32928 33024 33282 33712 37632 37926 38416 38528 38829 43008 43218 43344 43904 44032 44247 44376 49392 49536 50176 50568 51772 56448 57624 57792 58996 59168 64512 65856 66048 66564 67424 75264 75852 76832 77056 77658 86436 86688 87808 88064 88494 88752 90601 98784 99072 100352 101136 103243 103544 112896 115248 115584 116487 117992 118336 129024 131712 132096 132741 133128 134848 150528 151704 153664 154112 155316 172872 173376 175616 176988 177504 181202 197568 198144 202272 206486 207088 225792 230496 231168 232974 235984 236672 263424 264192 265482 266256 269696 271803 301056 303408 307328 308224 309729 310632 345744 346752 351232 353976 355008 362404 395136 396288 404544 412972 414176 451584 460992 462336 465948 471968 473344 526848 530964 532512 539392 543606 606816 614656 616448 619458 621264 634207 691488 693504 702464 707952 710016 724808 790272 792576 809088 815409 825944 828352 903168 921984 924672 929187 931896 943936 946688 1053696 1061928 1065024 1078784 1087212 1213632 1229312 1238916 1242528 1268414 1382976 1387008 1415904 1420032 1449616 1580544 1618176 1630818 1651888 1656704 1843968 1849344 1858374 1863792 1887872 1893376 1902621 2107392 2123856 2130048 2157568 2174424 2427264 2458624 2477832 2485056 2536828 2765952 2774016 2831808 2840064 2899232 3161088 3236352 3261636 3303776 3313408 3687936 3716748 3727584 3775744 3786752 3805242 4247712 4260096 4315136 4348848 4439449 4854528 4917248 4955664 4970112 5073656 5531904 5548032 5663616 5680128 5707863 5798464 6322176 6472704 6523272 6607552 6626816 7375872 7433496 7455168 7551488 7610484 8495424 8520192 8697696 8878898 9709056 9911328 9940224 10147312 11063808 11327232 11360256 11415726 11596928 12945408 13046544 13215104 13253632 13318347 14751744 14866992 14910336 15102976 15220968 16990848 17040384 17395392 17757796 19418112 19822656 19880448 20294624 22127616 22654464 22831452 23193856 26093088 26430208 26507264 26636694 29733984 29820672 30205952 30441936 33981696 34080768 34790784 35515592 38836224 39645312 39760896 39955041 40589248 44255232 45308928 45662904 46387712 52186176 52860416 53273388 59467968 59641344 60883872 67963392 69581568 71031184 79290624 79521792 79910082 81178496 90617856 91325808 92775424 104372352 105720832 106546776 118935936 119282688 121767744 135926784 139163136 142062368 158581248 159820164 162356992 182651616 185550848 208744704 211441664 213093552 237871872 238565376 243535488 271853568 278326272 284124736 317162496 319640328 324713984 365303232 417489408 426187104 475743744 487070976 556652544 568249472 634324992 639280656 649427968 730606464 834978816 852374208 951487488 974141952 1136498944 1278561312 1298855936 1461212928 1669957632 1704748416 1902974976 1948283904 2272997888 2557122624 2922425856 3409496832 3896567808 4545995776 5114245248 5844851712 6818993664 9091991552 10228490496 11689703424 13637987328 20456980992 27275974656 40913961984 81827923968
• Sum of all divisors σ(n): 282267567855
• Sum of proper divisors (its aliquot sum) s(n): 200439643887
• 81827923968 is an abundant number, because the sum of its proper divisors (200439643887) is greater than itself. Its abundance is 118611719919

Bases of 81827923968

• Binary: 1001100001101010100110000100000000000₂
• Hexadecimal: 0x130D530800
• Base-36: 11LA8E80

Squares and roots of 81827923968

• 81827923968 squared (81827923968²) is 6695809140912788865024
• 81827923968 cubed (81827923968³) is 547904161286851085366020886495232
• The square root of 81827923968 is 286055.8056883307
• The cube root of 81827923968 is 4341.4404098511

Scales and comparisons

• 81,827,923,968 seconds is equal to 2,601 years, 45 weeks, 3 days, 10 hours, 52 minutes, 48 seconds.
• To count from 1 to 81,827,923,968 would take you about five thousand, two hundred three 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 81827923968 cubic inches would be around 361.8 feet tall.

Recreational maths with 81827923968

• 81827923968 backwards is 86932972818
• 81827923968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81827923968's digits is 63
• More coming soon!