8100138240

Names of 8100138240

• Cardinal: 8100138240 can be written as Eight billion, one hundred million, one hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.10013824 × 10⁹

Factors of 8100138240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 838

Divisors of 8100138240

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 85 90 96 102 108 120 128 135 136 144 153 160 170 180 192 204 216 240 255 256 270 272 288 289 306 320 340 360 384 408 432 459 480 510 540 544 576 578 612 640 680 720 765 768 811 816 864 867 918 960 1020 1080 1088 1152 1156 1224 1280 1360 1440 1445 1530 1622 1632 1728 1734 1836 1920 2040 2160 2176 2295 2304 2312 2433 2448 2601 2720 2880 2890 3060 3244 3264 3456 3468 3672 3840 4055 4080 4320 4335 4352 4590 4624 4866 4896 5202 5440 5760 5780 6120 6488 6528 6912 6936 7299 7344 7803 8110 8160 8640 8670 9180 9248 9732 9792 10404 10880 11520 11560 12165 12240 12976 13005 13056 13787 13872 14598 14688 15606 16220 16320 17280 17340 18360 18496 19464 19584 20808 21760 21897 23120 24330 24480 25952 26010 27574 27744 29196 29376 31212 32440 32640 34560 34680 36495 36720 36992 38928 39015 39168 41361 41616 43794 46240 48660 48960 51904 52020 55148 55488 58392 58752 62424 64880 65280 68935 69360 72990 73440 73984 77856 78030 82722 83232 87588 92480 97320 97920 103808 104040 109485 110296 110976 116784 117504 124083 124848 129760 137870 138720 145980 146880 155712 156060 165444 166464 175176 184960 194640 195840 206805 207616 208080 218970 220592 221952 233568 234379 248166 249696 259520 275740 277440 291960 293760 311424 312120 330888 332928 350352 369920 372249 389280 413610 416160 437940 441184 467136 468758 496332 499392 519040 551480 554880 583920 587520 620415 622848 624240 661776 665856 700704 703137 744498 778560 827220 832320 875880 882368 934272 937516 992664 998784 1038080 1102960 1109760 1167840 1171895 1240830 1248480 1323552 1401408 1406274 1488996 1557120 1654440 1664640 1751760 1764736 1861245 1868544 1875032 1985328 1997568 2109411 2205920 2335680 2343790 2481660 2496960 2647104 2802816 2812548 2977992 3114240 3308880 3329280 3503520 3515685 3529472 3722490 3750064 3970656 4218822 4411840 4671360 4687580 4963320 4993920 5294208 5605632 5625096 5955984 6328233 6617760 7007040 7031370 7444980 7500128 7941312 8437644 8823680 9342720 9375160 9926640 9987840 10547055 10588416 11250192 11911968 12656466 13235520 14014080 14062740 14889960 15000256 15882624 16875288 17647360 18750320 19853280 21094110 22500384 23823936 25312932 26471040 28028160 28125480 29779920 30000512 31641165 31765248 33750576 37500640 39706560 42188220 45000768 47647872 50625864 52942080 56250960 59559840 60001024 63282330 67501152 75001280 79413120 84376440 90001536 95295744 101251728 112501920 119119680 126564660 135002304 150002560 158826240 168752880 180003072 202503456 225003840 238239360 253129320 270004608 300005120 337505760 405006912 450007680 476478720 506258640 540009216 675011520 810013824 900015360 1012517280 1350023040 1620027648 2025034560 2700046080 4050069120 8100138240
• Sum of all divisors σ(n): 30572189760
• Sum of proper divisors (its aliquot sum) s(n): 22472051520
• 8100138240 is an abundant number, because the sum of its proper divisors (22472051520) is greater than itself. Its abundance is 14371913280

Bases of 8100138240

• Binary: 111100010110011100100110100000000₂
• Hexadecimal: 0x1E2CE4D00
• Base-36: 3PYM2O0

Squares and roots of 8100138240

• 8100138240 squared (8100138240²) is 65612239507110297600
• 8100138240 cubed (8100138240³) is 531468210243582873487540224000
• The square root of 8100138240 is 90000.7679967233
• The cube root of 8100138240 is 2008.3102751705

Scales and comparisons

• 8,100,138,240 seconds is equal to 257 years, 29 weeks, 14 hours, 24 minutes.
• To count from 1 to 8,100,138,240 would take you about five hundred fifteen 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 8100138240 cubic inches would be around 167.4 feet tall.

Recreational maths with 8100138240

• 8100138240 backwards is 0428310018
• 8100138240 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8100138240's digits is 27
• More coming soon!