18397373568

Names of 18397373568

• Cardinal: 18397373568 can be written as Eighteen billion, three hundred ninety-seven million, three hundred seventy-three thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8397373568 × 10¹⁰

Factors of 18397373568

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 228

Divisors of 18397373568

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 53 56 58 61 64 73 84 87 96 106 112 116 122 128 146 159 168 174 183 192 203 212 219 224 232 244 292 318 336 348 366 371 384 406 424 427 438 448 464 488 511 584 609 636 672 696 732 742 812 848 854 876 896 928 976 1022 1113 1168 1218 1272 1281 1344 1392 1464 1484 1533 1537 1624 1696 1708 1752 1769 1856 1952 2044 2117 2226 2336 2436 2544 2562 2688 2784 2928 2968 3066 3074 3233 3248 3392 3416 3504 3538 3712 3869 3904 4088 4234 4452 4453 4611 4672 4872 5088 5124 5307 5568 5856 5936 6132 6148 6351 6466 6496 6784 6832 7008 7076 7738 7808 8176 8468 8904 8906 9222 9344 9699 9744 10176 10248 10614 10759 11136 11607 11712 11872 12264 12296 12383 12702 12932 12992 13359 13664 14016 14152 14819 15476 16352 16936 17808 17812 18444 19398 19488 20352 20496 21228 21518 22631 23214 23424 23744 24528 24592 24766 25404 25864 25984 26718 27083 27328 28032 28304 29638 30952 31171 32277 32704 33872 35616 35624 36888 37149 38796 38976 40992 42456 43036 44457 45262 46428 47488 49056 49184 49532 50808 51728 53436 54166 54656 56608 59276 61904 62342 64554 65408 67744 67893 71232 71248 73776 74298 77592 77952 81249 81984 84912 86072 88914 90524 92856 93513 93757 98112 98368 99064 101616 103456 106872 108332 112201 113216 118552 123808 124684 129108 129137 135488 135786 142464 142496 147552 148596 155184 162498 163968 169824 172144 177828 181048 185712 187026 187514 196224 196736 198128 203232 206912 213744 216664 224402 226432 236009 237104 247616 249368 258216 258274 270976 271572 281271 284992 295104 297192 310368 324996 336603 339648 344288 355656 362096 371424 374052 375028 387411 396256 406464 413824 427488 433328 448804 472018 474208 495232 498736 516432 516548 543144 562542 569984 590208 594384 620736 649992 656299 673206 679296 688576 708027 711312 724192 742848 748104 750056 774822 785407 792512 812928 854976 866656 897608 903959 944036 948416 997472 1032864 1033096 1086288 1125084 1188768 1241472 1299984 1312598 1346412 1377152 1416054 1422624 1448384 1485696 1496208 1500112 1549644 1570814 1585024 1652063 1709952 1733312 1795216 1807918 1888072 1896832 1968897 1994944 2065728 2066192 2172576 2250168 2356221 2377536 2599968 2625196 2692824 2711877 2832108 2845248 2896768 2992416 3000224 3099288 3141628 3304126 3466624 3590432 3615836 3776144 3937794 3989888 4131456 4132384 4345152 4500336 4712442 4755072 4956189 5199936 5250392 5385648 5423754 5664216 5690496 5984832 6000448 6198576 6283256 6608252 6844261 7180864 7231672 7552288 7875588 8264768 8690304 9000672 9424884 9912378 10399872 10500784 10771296 10847508 11328432 11969664 12000896 12397152 12566512 13216504 13688522 14361728 14463344 15104576 15751176 16529536 18001344 18849768 19824756 20532783 21001568 21542592 21695016 22656864 24794304 25133024 26433008 27377044 28926688 30209152 31502352 36002688 37699536 39649512 41065566 42003136 43085184 43390032 45313728 47909827 49588608 50266048 52866016 54754088 57853376 63004704 75399072 79299024 82131132 84006272 86780064 90627456 95819654 100532096 105732032 109508176 115706752 126009408 143729481 150798144 158598048 164262264 173560128 191639308 211464064 219016352 252018816 287458962 301596288 317196096 328524528 347120256 383278616 438032704 574917924 634392192 657049056 766557232 876065408 1149835848 1314098112 1533114464 2299671696 2628196224 3066228928 4599343392 6132457856 9198686784 18397373568
• Sum of all divisors σ(n): 60649689600
• Sum of proper divisors (its aliquot sum) s(n): 42252316032
• 18397373568 is an abundant number, because the sum of its proper divisors (42252316032) is greater than itself. Its abundance is 23854942464

Bases of 18397373568

• Binary: 10001001000100100011010010010000000₂
• Hexadecimal: 0x44891A480
• Base-36: 8G9BKAO

Squares and roots of 18397373568

• 18397373568 squared (18397373568²) is 338463354200545050624
• 18397373568 cubed (18397373568³) is 6226836766305729285543199506432
• The square root of 18397373568 is 135636.9181602119
• The cube root of 18397373568 is 2639.8866250669

Scales and comparisons

• 18,397,373,568 seconds is equal to 584 years, 50 weeks, 6 days, 13 hours, 32 minutes, 48 seconds.
• To count from 1 to 18,397,373,568 would take you about one thousand, one hundred sixty-nine 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 18397373568 cubic inches would be around 220 feet tall.

Recreational maths with 18397373568

• 18397373568 backwards is 86537379381
• The number of decimal digits it has is: 11
• The sum of 18397373568's digits is 60
• More coming soon!