18098729856

Names of 18098729856

• Cardinal: 18098729856 can be written as Eighteen billion, ninety-eight million, seven hundred twenty-nine thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.8098729856 × 10¹⁰

Factors of 18098729856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3008

Divisors of 18098729856

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 96 102 107 108 128 136 144 153 192 204 214 216 272 288 306 321 384 408 428 432 459 544 576 612 642 816 856 864 918 963 1088 1152 1224 1284 1632 1712 1728 1819 1836 1926 2176 2448 2568 2879 2889 3264 3424 3456 3638 3672 3852 4896 5136 5457 5758 5778 6528 6848 7276 7344 7704 8637 9792 10272 10914 11516 11556 13696 14552 14688 15408 16371 17274 19584 20544 21828 23032 23112 25911 29104 29376 30816 32742 34548 41088 43656 46064 46224 48943 49113 51822 58208 58752 61632 65484 69096 77733 87312 92128 92448 97886 98226 103644 116416 123264 130968 138192 146829 155466 174624 184256 184896 195772 196452 207288 232832 261936 276384 293658 308053 310932 349248 368512 369792 391544 392904 414576 440487 523872 552768 587316 616106 621864 698496 783088 785808 829152 880974 924159 1047744 1105536 1174632 1232212 1243728 1321461 1566176 1571616 1658304 1761948 1848318 2095488 2349264 2464424 2487456 2642922 2772477 3132352 3143232 3316608 3523896 3696636 4698528 4928848 4974912 5236901 5285844 5544954 6264704 6286464 7047792 7393272 8317431 9397056 9857696 9949824 10473802 10571688 11089908 14095584 14786544 15710703 16634862 18794112 19715392 20947604 21143376 22179816 28191168 29573088 31421406 33269724 39430784 41895208 42286752 44359632 47132109 56382336 59146176 62842812 66539448 83790416 84573504 88719264 94264218 118292352 125685624 133078896 141396327 167580832 169147008 177438528 188528436 251371248 266157792 282792654 335161664 354877056 377056872 502742496 532315584 565585308 670323328 754113744 1005484992 1064631168 1131170616 1508227488 2010969984 2262341232 3016454976 4524682464 6032909952 9049364928 18098729856
• Sum of all divisors σ(n): 57106944000
• Sum of proper divisors (its aliquot sum) s(n): 39008214144
• 18098729856 is an abundant number, because the sum of its proper divisors (39008214144) is greater than itself. Its abundance is 20909484288

Bases of 18098729856

• Binary: 10000110110110001001011001110000000₂
• Hexadecimal: 0x436C4B380
• Base-36: 8BBILC0

Squares and roots of 18098729856

• 18098729856 squared (18098729856²) is 327564022400465780736
• 18098729856 cubed (18098729856³) is 5928492751970762814112992854016
• The square root of 18098729856 is 134531.5199349209
• The cube root of 18098729856 is 2625.5242420715

Scales and comparisons

• 18,098,729,856 seconds is equal to 575 years, 25 weeks, 1 day, 57 minutes, 36 seconds.
• To count from 1 to 18,098,729,856 would take you about one thousand, one hundred fifty 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 18098729856 cubic inches would be around 218.8 feet tall.

Recreational maths with 18098729856

• 18098729856 backwards is 65892789081
• The number of decimal digits it has is: 11
• The sum of 18098729856's digits is 63
• More coming soon!