21037963788

Names of 21037963788

• Cardinal: 21037963788 can be written as Twenty-one billion, thirty-seven million, nine hundred sixty-three thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1037963788 × 10¹⁰

Factors of 21037963788

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 172

Divisors of 21037963788

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 36 38 41 54 57 76 81 82 107 108 114 123 162 164 171 214 228 246 321 324 342 361 369 428 492 513 642 684 722 738 779 963 1026 1083 1107 1284 1444 1476 1539 1558 1681 1926 2033 2052 2166 2214 2337 2889 3078 3116 3249 3321 3362 3852 4066 4332 4387 4428 4674 5043 5778 6099 6156 6498 6642 6724 7011 8132 8667 8774 9348 9747 10086 11556 12198 12996 13161 13284 14022 14801 15129 17334 17548 18297 19494 20172 21033 24396 26322 28044 29241 29602 30258 31939 34668 36594 38627 38988 39483 42066 44403 45387 52644 54891 58482 59204 60516 63099 63878 73188 77254 78966 83353 84132 88806 90774 95817 109782 115881 116964 118449 126198 127756 133209 136161 154508 157932 164673 166706 177612 179867 181548 191634 219564 231762 236898 250059 252396 266418 272322 287451 329346 333412 347643 355347 359734 383268 399627 463524 473796 500118 532836 539601 544644 574902 606841 658692 695286 710694 719468 750177 799254 862353 1000236 1042929 1079202 1149804 1198881 1213682 1390572 1421388 1500354 1583707 1598508 1618803 1724706 1820523 2085858 2158404 2250531 2397762 2427364 2587059 3000708 3128787 3167414 3237606 3417473 3449412 3641046 4171716 4501062 4751121 4795524 4856409 5174118 5461569 6257574 6334828 6475212 6751593 6834946 7282092 9002124 9502242 9712818 10252419 10348236 10923138 12515148 13503186 13669892 14253363 14569227 16384707 19004484 19425636 20504838 21846276 27006372 28506726 29138454 30757257 32769414 41009676 42760089 49154121 57013452 58276908 61514514 64931987 65538828 85520178 92271771 98308242 123029028 128280267 129863974 171040356 184543542 194795961 196616484 256560534 259727948 276815313 369087084 389591922 513121068 553630626 584387883 779183844 1107261252 1168775766 1753163649 2337551532 3506327298 5259490947 7012654596 10518981894 21037963788
• Sum of all divisors σ(n): 60050609388
• Sum of proper divisors (its aliquot sum) s(n): 39012645600
• 21037963788 is an abundant number, because the sum of its proper divisors (39012645600) is greater than itself. Its abundance is 17974681812

Bases of 21037963788

• Binary: 10011100101111101011101101000001100₂
• Hexadecimal: 0x4E5F5DA0C
• Base-36: 9NXGKR0

Squares and roots of 21037963788

• 21037963788 squared (21037963788²) is 442595920345199308944
• 21037963788 cubed (21037963788³) is 9311316944938835521206496519872
• The square root of 21037963788 is 145044.6958285617
• The cube root of 21037963788 is 2760.5857027307

Scales and comparisons

• 21,037,963,788 seconds is equal to 668 years, 48 weeks, 6 days, 22 hours, 49 minutes, 48 seconds.
• To count from 1 to 21,037,963,788 would take you about one thousand, three 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 21037963788 cubic inches would be around 230 feet tall.

Recreational maths with 21037963788

• 21037963788 backwards is 88736973012
• 21037963788 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21037963788's digits is 54
• More coming soon!