18385904725188

Names of 18385904725188

• Cardinal: 18385904725188 can be written as Eighteen trillion, three hundred eighty-five billion, nine hundred four million, seven hundred twenty-five thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8385904725188 × 10¹³

Factors of 18385904725188

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 90

Divisors of 18385904725188

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 6 7 11 12 13 14 17 21 22 26 28 33 34 37 39 42 44 49 51 52 66 68 74 77 78 84 91 98 102 111 119 121 132 143 147 148 154 156 169 182 187 196 204 221 222 231 238 242 259 273 286 289 294 308 338 357 363 364 374 407 429 442 444 462 476 481 484 507 518 539 546 561 572 578 588 629 637 663 676 714 726 748 777 814 833 847 858 867 884 924 962 1001 1014 1036 1078 1092 1122 1156 1183 1221 1258 1274 1309 1326 1331 1428 1443 1452 1547 1554 1573 1617 1628 1666 1694 1716 1734 1813 1859 1887 1911 1924 2002 2023 2028 2057 2156 2197 2244 2366 2431 2442 2499 2516 2541 2548 2618 2652 2662 2849 2873 2886 3003 3094 3108 3146 3179 3234 3332 3367 3388 3468 3549 3626 3718 3757 3774 3822 3927 3993 4004 4046 4114 4394 4403 4477 4641 4719 4732 4862 4884 4998 5082 5236 5291 5324 5439 5577 5698 5746 5772 5929 6006 6069 6171 6188 6253 6292 6358 6468 6591 6734 6919 7007 7098 7252 7293 7436 7514 7548 7644 7854 7986 8092 8177 8228 8281 8547 8619 8788 8806 8954 9163 9282 9317 9438 9537 9724 9996 10101 10164 10582 10693 10829 10878 11011 11154 11271 11396 11492 11858 12012 12138 12342 12506 12716 13013 13182 13209 13431 13468 13838 14014 14161 14196 14399 14586 15028 15379 15708 15873 15972 16354 16562 17017 17094 17238 17303 17612 17787 17908 18326 18564 18634 18759 18876 19074 19943 20111 20202 20449 20757 21021 21164 21386 21658 21756 22022 22253 22308 22542 22627 23569 23716 24167 24276 24531 24684 24843 25012 26026 26299 26364 26418 26741 26862 27489 27676 27951 28028 28322 28798 29172 30758 30821 31339 31603 31746 32079 32487 32708 33033 33124 34034 34188 34476 34606 34969 35574 36652 37037 37268 37349 37518 38148 39039 39886 40222 40404 40898 41327 41514 42042 42483 42772 43197 43316 43771 44044 44506 45084 45254 46137 47138 48334 48433 48841 49062 49247 49686 51051 51909 52052 52598 52836 53482 53724 54978 55902 56644 57239 57596 58201 59829 60333 61347 61516 61642 62678 63206 63492 64158 64974 65219 66066 66759 67881 68068 68783 69212 69938 70707 71148 72501 74074 74698 74851 75036 76109 77077 78078 78897 79772 80223 80444 81289 81796 82654 83028 84084 84966 86394 87542 89012 89947 90508 91091 92274 92463 94017 94276 94809 96668 96866 97682 98124 98494 99372 100793 102102 103818 104907 105196 106301 106964 107653 109956 111111 111804 112047 114478 116402 117623 119119 119658 120666 121121 122694 123284 123981 125356 126412 128316 129948 130438 131313 132132 133518 135762 137566 139009 139876 140777 141414 143143 145002 145299 146523 147741 148148 149396 149702 152218 154154 155771 156156 157794 158389 160446 162578 165308 169169 169932 171717 172788 174603 175084 179894 182182 184093 184548 184926 187187 188034 189618 193732 195364 195657 196988 201586 204204 206349 207636 209814 212602 215306 219373 221221 222222 224094 224553 224939 228327 228956 231231 232804 235246 238238 239316 241332 242242 243867 244783 245388 247962 259259 260876 261443 262626 265837 267036 269841 271524 273273 275132 278018 281554 282828 286286 289289 290004 290598 293046 294151 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1671445884108 2626557817884 3064317454198 4596476181297 6128634908396 9192952362594 18385904725188
• Sum of all divisors σ(n): 64874331083520
• Sum of proper divisors (its aliquot sum) s(n): 46488426358332
• 18385904725188 is an abundant number, because the sum of its proper divisors (46488426358332) is greater than itself. Its abundance is 28102521633144

Bases of 18385904725188

• Binary: 100001011100011001101010100011110110011000100₂
• Hexadecimal: 0x10B8CD51ECC4
• Base-36: 6IMD8YOJO

Squares and roots of 18385904725188

• 18385904725188 squared (18385904725188²) is 338041492563690425801635344
• 18385904725188 cubed (18385904725188³) is 6215198675436359963785522984027307844672
• The square root of 18385904725188 is 4287878.8141909981
• The cube root of 18385904725188 is 26393.3794641605

Scales and comparisons

• 18,385,904,725,188 seconds is equal to 584,614 years, 46 weeks, 5 days, 4 hours, 59 minutes, 48 seconds.
• To count from 1 to 18,385,904,725,188 would take you about one million, four hundred sixty-one thousand, five hundred thirty-seven 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 18385904725188 cubic inches would be around 2199.4 feet tall.

Recreational maths with 18385904725188

• 18385904725188 backwards is 88152740958381
• The number of decimal digits it has is: 14
• The sum of 18385904725188's digits is 69
• More coming soon!