21313836544

Names of 21313836544

• Cardinal: 21313836544 can be written as Twenty-one billion, three hundred thirteen million, eight hundred thirty-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 2.1313836544 × 10¹⁰

Factors of 21313836544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 490

Divisors of 21313836544

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 32 44 49 52 56 64 77 88 91 98 104 112 128 143 154 169 176 182 196 208 224 256 286 308 338 352 364 392 416 448 457 512 539 572 616 637 676 704 728 784 832 896 914 1001 1078 1144 1183 1232 1274 1352 1408 1456 1568 1664 1792 1828 1859 2002 2156 2288 2366 2464 2548 2704 2816 2912 3136 3199 3328 3584 3656 3718 4004 4312 4576 4732 4928 5027 5096 5408 5632 5824 5941 6272 6398 6656 7007 7312 7436 8008 8281 8624 9152 9464 9856 10054 10192 10816 11648 11882 12544 12796 13013 14014 14624 14872 16016 16562 17248 18304 18928 19712 20108 20384 21632 22393 23296 23764 25088 25592 26026 28028 29248 29744 32032 33124 34496 35189 36608 37856 39424 40216 40768 41587 43264 44786 46592 47528 51184 52052 56056 58496 59488 64064 65351 66248 68992 70378 73216 75712 77233 80432 81536 83174 86528 89572 91091 95056 102368 104104 112112 116992 118976 128128 130702 132496 137984 140756 151424 154466 160864 163072 166348 179144 182182 190112 204736 208208 224224 233984 237952 246323 256256 261404 264992 275968 281512 291109 302848 308932 321728 326144 332696 358288 364364 380224 409472 416416 448448 457457 475904 492646 512512 522808 529984 540631 563024 582218 605696 617864 643456 665392 716576 728728 760448 818944 832832 849563 896896 914914 951808 985292 1045616 1059968 1081262 1126048 1164436 1235728 1286912 1330784 1433152 1457456 1520896 1637888 1665664 1699126 1793792 1829828 1970584 2091232 2119936 2162524 2252096 2328872 2471456 2573824 2661568 2866304 2914912 3041792 3202199 3331328 3398252 3587584 3659656 3784417 3941168 4182464 4239872 4325048 4504192 4657744 4942912 5323136 5732608 5829824 5946941 6404398 6662656 6796504 7319312 7568834 7882336 8364928 8650096 9008384 9315488 9885824 10646272 11465216 11659648 11893882 12808796 13593008 14638624 15137668 15764672 16729856 17300192 18016768 18630976 19771648 21292544 23319296 23787764 25617592 27186016 29277248 30275336 31529344 33459712 34600384 37261952 39543296 41628587 46638592 47575528 51235184 54372032 58554496 60550672 63058688 69200768 74523904 83257174 95151056 102470368 108744064 117108992 121101344 126117376 138401536 149047808 166514348 190302112 204940736 217488128 234217984 242202688 276803072 333028696 380604224 409881472 434976256 484405376 666057392 761208448 819762944 968810752 1332114784 1522416896 1639525888 1937621504 2664229568 3044833792 5328459136 10656918272 21313836544
• Sum of all divisors σ(n): 58647337848
• Sum of proper divisors (its aliquot sum) s(n): 37333501304
• 21313836544 is an abundant number, because the sum of its proper divisors (37333501304) is greater than itself. Its abundance is 16019664760

Bases of 21313836544

• Binary: 10011110110011001110101011000000000₂
• Hexadecimal: 0x4F6675600
• Base-36: 9SHPHJ4

Squares and roots of 21313836544

• 21313836544 squared (21313836544²) is 454279628224349863936
• 21313836544 cubed (21313836544³) is 9682441741242881960600544477184
• The square root of 21313836544 is 145992.5907161045
• The cube root of 21313836544 is 2772.5999449667

Scales and comparisons

• 21,313,836,544 seconds is equal to 677 years, 37 weeks, 22 hours, 9 minutes, 4 seconds.
• To count from 1 to 21,313,836,544 would take you about one thousand, three hundred fifty-five 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 21313836544 cubic inches would be around 231 feet tall.

Recreational maths with 21313836544

• 21313836544 backwards is 44563831312
• The number of decimal digits it has is: 11
• The sum of 21313836544's digits is 40
• More coming soon!