18109372944

Names of 18109372944

• Cardinal: 18109372944 can be written as Eighteen billion, one hundred nine million, three hundred seventy-two thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8109372944 × 10¹⁰

Factors of 18109372944

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 144

Divisors of 18109372944

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 17 24 26 29 34 37 39 43 48 51 52 58 68 74 78 86 87 102 104 111 116 129 136 148 156 172 174 204 208 221 222 232 258 272 296 312 344 348 377 408 442 444 464 481 493 516 559 592 624 629 663 688 696 731 754 816 884 888 962 986 1032 1073 1118 1131 1247 1258 1326 1369 1392 1443 1462 1479 1508 1591 1677 1768 1776 1887 1924 1972 2064 2146 2193 2236 2262 2494 2516 2652 2738 2886 2924 2958 3016 3182 3219 3354 3536 3741 3774 3848 3944 4107 4292 4386 4472 4524 4773 4988 5032 5304 5476 5772 5848 5916 6032 6364 6409 6438 6708 7482 7548 7696 7888 8177 8214 8584 8772 8944 9048 9503 9546 9976 10064 10608 10952 11544 11696 11832 12728 12818 12876 13416 13949 14964 15096 16211 16354 16428 17168 17544 17797 18096 18241 19006 19092 19227 19952 20683 21199 21904 23088 23273 23664 24531 25456 25636 25752 26832 27047 27898 28509 29928 30192 32422 32708 32856 35088 35594 36482 38012 38184 38454 39701 41366 41847 42398 46139 46546 48633 49062 51272 51504 53391 54094 54723 55796 57018 58867 59856 62049 63597 64844 65416 65712 69819 71188 72964 76024 76368 76908 79402 81141 82732 83694 84796 92278 93092 97266 98124 102544 106782 108188 109446 111592 114036 117734 119103 124098 127194 129688 130832 138417 139638 142376 145928 152048 153816 158804 162282 165464 167388 169592 176601 184556 186184 194532 196248 213564 216376 218892 223184 228072 235468 237133 238206 248196 254388 259376 275587 276834 279276 284752 291856 302549 307632 317608 324564 330928 334776 339184 351611 353202 369112 372368 389064 392496 427128 432752 437784 456144 470936 474266 476412 496392 508776 516113 551174 553668 558552 599807 605098 635216 649128 669552 674917 703222 706404 711399 738224 765271 778128 784363 826761 854256 875568 907647 941872 948532 952824 992784 1000739 1017552 1032226 1054833 1102348 1107336 1117104 1199614 1210196 1298256 1349834 1406444 1412808 1422798 1530542 1548339 1568726 1653522 1707143 1799421 1815294 1897064 1905648 2001478 2024751 2064452 2109666 2204696 2214672 2295813 2353089 2399228 2420392 2699668 2812888 2825616 2845596 3002217 3061084 3096678 3137452 3307044 3414286 3598842 3630588 3794128 4002956 4049502 4128904 4219332 4409392 4591626 4706178 4798456 4840784 5121429 5399336 5625776 5691192 6004434 6122168 6193356 6274904 6614088 6828572 7197684 7261176 8005912 8099004 8257808 8438664 8773921 9183252 9412356 9596912 10196719 10242858 10798672 11382384 12008868 12244336 12386712 12549808 13009607 13228176 13657144 14395368 14522352 16011824 16198008 16877328 17547842 18366504 18824712 20393438 20485716 22192859 24017736 24773424 26019214 26321763 27314288 28790736 29021431 30590157 32396016 35095684 36733008 37649424 39028821 40786876 40971432 44385718 48035472 52038428 52643526 58042862 61180314 66578577 70191368 78057642 81573752 81942864 87064293 88771436 104076856 105287052 116085724 122360628 133157154 140382736 156115284 163147504 174128586 177542872 208153712 210574104 232171448 244721256 266314308 312230568 348257172 355085744 377278603 421148208 464342896 489442512 532628616 624461136 696514344 754557206 1065257232 1131835809 1393028688 1509114412 2263671618 3018228824 4527343236 6036457648 9054686472 18109372944
• Sum of all divisors σ(n): 58035035520
• Sum of proper divisors (its aliquot sum) s(n): 39925662576
• 18109372944 is an abundant number, because the sum of its proper divisors (39925662576) is greater than itself. Its abundance is 21816289632

Bases of 18109372944

• Binary: 10000110111011001110001101000010000₂
• Hexadecimal: 0x437671A10
• Base-36: 8BHUPLC

Squares and roots of 18109372944

• 18109372944 squared (18109372944²) is 327949388424879227136
• 18109372944 cubed (18109372944³) is 5938957781742854652364309008384
• The square root of 18109372944 is 134571.0702342819
• The cube root of 18109372944 is 2626.0387940147

Scales and comparisons

• 18,109,372,944 seconds is equal to 575 years, 42 weeks, 5 days, 5 hours, 22 minutes, 24 seconds.
• To count from 1 to 18,109,372,944 would take you about one thousand, one hundred fifty-one 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 18109372944 cubic inches would be around 218.8 feet tall.

Recreational maths with 18109372944

• 18109372944 backwards is 44927390181
• 18109372944 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18109372944's digits is 48
• More coming soon!