181840404018

Names of 181840404018

• Cardinal: 181840404018 can be written as One hundred eighty-one billion, eight hundred forty million, four hundred four thousand and eighteen.

Scientific notation

• Scientific notation: 1.81840404018 × 10¹¹

Factors of 181840404018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 320

Divisors of 181840404018

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 6 7 13 14 17 21 26 34 37 39 42 51 74 78 91 102 111 119 169 182 221 222 238 241 259 273 338 357 442 481 482 507 518 546 629 663 714 723 777 962 1014 1183 1258 1326 1443 1446 1547 1554 1687 1887 2197 2366 2873 2886 3094 3133 3367 3374 3549 3774 4097 4394 4403 4641 5061 5746 6253 6266 6591 6734 7098 8177 8194 8619 8806 8917 9282 9399 10101 10122 12291 12506 13182 13209 15379 16354 17238 17834 18759 18798 20111 20202 21931 24531 24582 26418 26751 28561 28679 30758 37349 37518 40222 40729 43771 43862 46137 49062 53261 53502 57122 57239 57358 60333 62419 65793 74698 81289 81458 85683 86037 87542 92274 106301 106522 112047 114478 115921 120666 122187 124838 131313 131586 151589 159783 162578 171366 171717 172074 187257 199927 212602 224094 231842 243867 244374 261443 262626 285103 303178 318903 319566 343434 347763 372827 374514 399854 454767 485537 487734 522886 529477 569023 570206 599781 637806 692393 695526 744107 745654 784329 811447 855309 909534 971074 1056757 1058954 1061123 1118481 1138046 1199562 1381913 1384786 1456611 1488214 1506973 1568658 1588431 1622894 1707069 1710618 1970657 2077179 2113514 2122246 2232321 2236962 2434341 2763826 2913222 3013946 3170271 3176862 3183369 3398759 3414138 3706339 3941314 4145739 4154358 4464642 4520919 4846751 4868682 5911971 6340542 6366738 6797518 6883201 7397299 7412678 8291478 9001109 9041838 9673391 9693502 10196277 10548811 11119017 11823942 13766402 13794599 14540253 14794598 17964869 18002218 19346782 19590649 20392554 20649603 21097622 22191897 22238034 25618541 27003327 27589198 29020173 29080506 31646433 35929738 39181298 41299206 41383797 44383794 48182407 51237082 53894607 54006654 58040346 58771947 63007763 63292866 76855623 82767594 96364814 107789214 117014417 117543894 125754083 126015526 137134543 144547221 153711246 179329787 189023289 234028834 251508166 254678437 274269086 289094442 333041033 351043251 358659574 377262249 378046578 411403629 509356874 537989361 666082066 702086502 754524498 764035311 819100919 822807258 999123099 1075978722 1528070622 1638201838 1782749059 1998246198 2331287231 2457302757 3565498118 4329533429 4662574462 4914605514 5348247177 6993861693 8659066858 10696494354 12988600287 13987723386 25977200574 30306734003 60613468006 90920202009 181840404018
• Sum of all divisors σ(n): 491673777408
• Sum of proper divisors (its aliquot sum) s(n): 309833373390
• 181840404018 is an abundant number, because the sum of its proper divisors (309833373390) is greater than itself. Its abundance is 127992969372

Bases of 181840404018

• Binary: 10101001010110100010000101111000110010₂
• Hexadecimal: 0x2A56885E32
• Base-36: 2BJB2XPU

Squares and roots of 181840404018

• 181840404018 squared (181840404018²) is 33065932533429470544324
• 181840404018 cubed (181840404018³) is 6012722531110745214887706536693832
• The square root of 181840404018 is 426427.4897541199
• The cube root of 181840404018 is 5665.3941427433

Scales and comparisons

• 181,840,404,018 seconds is equal to 5,781 years, 50 weeks, 7 hours, 20 minutes, 18 seconds.
• To count from 1 to 181,840,404,018 would take you about eleven thousand, five hundred sixty-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 181840404018 cubic inches would be around 472.1 feet tall.

Recreational maths with 181840404018

• 181840404018 backwards is 810404048181
• 181840404018 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 181840404018's digits is 39
• More coming soon!