21137242395744

Names of 21137242395744

• Cardinal: 21137242395744 can be written as Twenty-one trillion, one hundred thirty-seven billion, two hundred forty-two million, three hundred ninety-five thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1137242395744 × 10¹³

Factors of 21137242395744

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1936

Divisors of 21137242395744

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 729 864 972 1296 1458 1931 1944 2187 2592 2916 3862 3888 4374 5793 5832 6561 7724 7776 8748 11586 11664 13122 15448 17379 17496 19683 23172 23328 26244 30896 34758 34992 39366 46344 52137 52488 59049 61792 69516 69984 78732 92688 104274 104976 118098 139032 156411 157464 177147 185376 208548 209952 236196 278064 312822 314928 354294 417096 469233 472392 556128 625644 629856 708588 834192 938466 944784 1251288 1407699 1417176 1668384 1876932 1889568 2502576 2815398 2834352 3728761 3753864 4223097 5005152 5630796 5668704 7457522 7507728 8446194 11186283 11261592 12669291 14915044 15015456 16892388 22372566 22523184 25338582 29830088 33558849 33784776 38007873 44745132 45046368 50677164 59660176 67117698 67569552 76015746 89490264 100676547 101354328 114023619 119320352 134235396 135139104 152031492 178980528 201353094 202708656 228047238 268470792 302029641 304062984 342070857 357961056 402706188 405417312 456094476 536941584 604059282 608125968 684141714 805412376 906088923 912188952 1073883168 1208118564 1216251936 1368283428 1610824752 1812177846 1824377904 2416237128 2718266769 2736566856 3221649504 3624355692 3648755808 4832474256 5436533538 5473133712 7248711384 8154800307 9664948512 10873067076 10946267424 14497422768 16309600614 21746134152 24464400921 28994845536 32619201228 43492268304 48928801842 65238402456 73393202763 86984536608 97857603684 130476804912 146786405526 195715207368 220179608289 260953609824 293572811052 391430414736 440359216578 587145622104 660538824867 782860829472 880718433156 1174291244208 1321077649734 1761436866312 2348582488416 2642155299468 3522873732624 5284310598936 7045747465248 10568621197872 21137242395744
• Sum of all divisors σ(n): 62453143869480
• Sum of proper divisors (its aliquot sum) s(n): 41315901473736
• 21137242395744 is an abundant number, because the sum of its proper divisors (41315901473736) is greater than itself. Its abundance is 20178659077992

Bases of 21137242395744

• Binary: 100110011100101100101110100110001010001100000₂
• Hexadecimal: 0x133965D31460
• Base-36: 7HQBCDI00

Squares and roots of 21137242395744

• 21137242395744 squared (21137242395744²) is 446783016096437552709313536
• 21137242395744 cubed (21137242395744³) is 9443760909531993811573098723702287990784
• The square root of 21137242395744 is 4597525.6819015161
• The cube root of 21137242395744 is 27649.2131120547

Scales and comparisons

• 21,137,242,395,744 seconds is equal to 672,098 years, 48 weeks, 1 day, 5 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,137,242,395,744 would take you about one million, six hundred eighty thousand, two hundred forty-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 21137242395744 cubic inches would be around 2304.1 feet tall.

Recreational maths with 21137242395744

• 21137242395744 backwards is 44759324273112
• 21137242395744 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21137242395744's digits is 54
• More coming soon!