21435748188

Names of 21435748188

• Cardinal: 21435748188 can be written as Twenty-one billion, four hundred thirty-five million, seven hundred forty-eight thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1435748188 × 10¹⁰

Factors of 21435748188

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 602

Divisors of 21435748188

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 12 17 31 34 51 61 62 68 93 102 122 124 181 183 186 204 244 307 362 366 372 527 543 614 724 732 921 1037 1054 1086 1228 1581 1842 1891 2074 2108 2172 3077 3111 3162 3684 3782 4148 5219 5611 5673 6154 6222 6324 7564 9231 9517 10438 11041 11222 11346 12308 12444 15657 16833 18462 18727 19034 20876 22082 22444 22692 28551 31314 32147 33123 33666 36924 37454 38068 44164 55567 56181 57102 62628 64294 66246 67332 74908 95387 96441 111134 112362 114204 128588 132492 161789 166701 187697 190774 192882 222268 224724 286161 318359 323578 333402 342271 375394 381548 385764 485367 563091 572322 580537 636718 647156 666804 684542 750788 944639 955077 970734 1026813 1126182 1144644 1161074 1273436 1369084 1722577 1741611 1889278 1910154 1941468 2053626 2252364 2322148 2833917 3389587 3445154 3483222 3778556 3820308 4107252 5167731 5667834 5818607 6779174 6890308 6966444 9869129 10168761 10335462 11335668 11637214 13558348 17455821 19738258 20337522 20670924 23274428 29283809 29607387 34911642 39476516 40675044 57622979 58567618 59214774 69823284 87851427 105077197 115245958 117135236 118429548 172868937 175702854 210154394 230491916 315231591 345737874 351405708 420308788 630463182 691475748 1260926364 1786312349 3572624698 5358937047 7145249396 10717874094 21435748188
• Sum of all divisors σ(n): 56052412416
• Sum of proper divisors (its aliquot sum) s(n): 34616664228
• 21435748188 is an abundant number, because the sum of its proper divisors (34616664228) is greater than itself. Its abundance is 13180916040

Bases of 21435748188

• Binary: 10011111101101010111000111101011100₂
• Hexadecimal: 0x4FDAB8F5C
• Base-36: 9UIAH5O

Squares and roots of 21435748188

• 21435748188 squared (21435748188²) is 459491300379345283344
• 21435748188 cubed (21435748188³) is 9849539809508314370067494580672
• The square root of 21435748188 is 146409.5221903275
• The cube root of 21435748188 is 2777.8761700883

Scales and comparisons

• 21,435,748,188 seconds is equal to 681 years, 30 weeks, 4 days, 22 hours, 29 minutes, 48 seconds.
• To count from 1 to 21,435,748,188 would take you about one thousand, three 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 21435748188 cubic inches would be around 231.5 feet tall.

Recreational maths with 21435748188

• 21435748188 backwards is 88184753412
• 21435748188 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21435748188's digits is 51
• More coming soon!