18447747948

Names of 18447747948

• Cardinal: 18447747948 can be written as Eighteen billion, four hundred forty-seven million, seven hundred forty-seven thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 1.8447747948 × 10¹⁰

Factors of 18447747948

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 155

Divisors of 18447747948

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 49 51 53 54 63 68 73 84 98 102 106 108 119 126 146 147 153 159 189 196 204 212 219 238 252 292 294 306 318 357 371 378 438 441 459 476 477 511 588 612 636 657 714 742 756 833 876 882 901 918 954 1022 1071 1113 1241 1314 1323 1428 1431 1484 1533 1666 1764 1802 1836 1908 1971 2044 2142 2226 2482 2499 2597 2628 2646 2703 2809 2862 3066 3213 3332 3339 3577 3604 3723 3869 3942 4284 4452 4599 4964 4998 5194 5292 5406 5618 5724 6132 6307 6426 6678 7154 7446 7497 7738 7791 7884 8109 8427 8687 9198 9996 10017 10388 10731 10812 11169 11236 11607 12614 12852 13356 13797 14308 14892 14994 15476 15582 16218 16854 17374 18396 18921 19663 20034 21462 22338 22491 23214 23373 24327 25228 25281 26061 27083 27594 29988 31164 32193 32436 33507 33708 34748 34821 37842 39326 40068 42924 44149 44676 44982 46428 46746 47753 48654 50562 52122 54166 55188 56763 58989 60809 64386 65773 67014 69642 70119 75684 75843 78183 78652 81249 88298 89964 93492 95506 96579 97308 101124 104244 104463 108332 113526 117978 121618 128772 131546 132447 134028 137641 139284 140238 143259 151686 156366 162498 170289 176596 176967 182427 189581 191012 193158 197319 205057 208926 227052 234549 235956 243236 243747 263092 264894 275282 280476 286518 303372 312732 324996 334271 340578 353934 364854 379162 386316 394638 397341 410114 412923 417852 429777 460411 469098 487494 529788 530901 547281 550564 568743 573036 591957 615171 668542 681156 707868 729708 731241 758324 789276 794682 820228 825846 859554 920822 938196 974988 1002813 1061802 1094562 1137486 1183914 1192023 1230342 1238769 1289331 1337084 1381233 1435399 1462482 1589364 1641843 1651692 1706229 1719108 1775871 1841644 1845513 2005626 2123604 2189124 2274972 2339897 2367828 2384046 2460684 2477538 2578662 2762466 2870798 2924964 3008439 3222877 3283686 3412458 3485969 3551742 3691026 3716307 4011252 4143699 4306197 4679794 4768092 4955076 5118687 5157324 5524932 5536539 5741596 6016878 6445754 6567372 6824916 6971938 7019691 7103484 7382052 7432614 8287398 8612394 9025317 9359588 9668631 10047793 10237374 10457907 11073078 12033756 12431097 12891508 12918591 13943876 14039382 14865228 16574796 17224788 18050634 19337262 20095586 20474748 20915814 21059073 22146156 24401783 24862194 25837182 28078764 29005893 30143379 31373721 36101268 38674524 38755773 40191172 41831628 42118146 48803566 49724388 51674364 58011786 60286758 62747442 63177219 73205349 77511546 84236292 87017679 90430137 94121163 97607132 116023572 120573516 125494884 126354438 146410698 155023092 170812481 174035358 180860274 188242326 219616047 252708876 271290411 292821396 341624962 348070716 361720548 376484652 439232094 512437443 542580822 658848141 683249924 878464188 1024874886 1085161644 1317696282 1537312329 2049749772 2635392564 3074624658 4611936987 6149249316 9223873974 18447747948
• Sum of all divisors σ(n): 60863715360
• Sum of proper divisors (its aliquot sum) s(n): 42415967412
• 18447747948 is an abundant number, because the sum of its proper divisors (42415967412) is greater than itself. Its abundance is 23968219464

Bases of 18447747948

• Binary: 10001001011100100100100101101101100₂
• Hexadecimal: 0x44B924B6C
• Base-36: 8H3B9F0

Squares and roots of 18447747948

• 18447747948 squared (18447747948²) is 340319404352938210704
• 18447747948 cubed (18447747948³) is 6278126593316498144285507635392
• The square root of 18447747948 is 135822.4869011019
• The cube root of 18447747948 is 2642.2938792195

Scales and comparisons

• 18,447,747,948 seconds is equal to 586 years, 30 weeks, 1 day, 14 hours, 25 minutes, 48 seconds.
• To count from 1 to 18,447,747,948 would take you about one thousand, one hundred seventy-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 18447747948 cubic inches would be around 220.2 feet tall.

Recreational maths with 18447747948

• 18447747948 backwards is 84974774481
• 18447747948 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18447747948's digits is 63
• More coming soon!