21298827264

Names of 21298827264

• Cardinal: 21298827264 can be written as Twenty-one billion, two hundred ninety-eight million, eight hundred twenty-seven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1298827264 × 10¹⁰

Factors of 21298827264

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 100

Divisors of 21298827264

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 17 22 23 24 26 31 32 33 34 39 44 46 48 51 52 62 64 66 68 69 78 88 92 93 96 102 104 124 128 132 136 138 143 156 176 184 186 187 192 204 208 221 248 253 256 264 272 276 286 299 312 341 352 368 372 374 384 391 403 408 416 429 442 496 506 512 527 528 544 552 561 572 598 624 663 682 704 713 736 744 748 759 768 782 806 816 832 858 884 897 992 1012 1023 1024 1054 1056 1088 1104 1122 1144 1173 1196 1209 1248 1326 1364 1408 1426 1472 1488 1496 1518 1536 1564 1581 1612 1632 1664 1716 1768 1794 1984 2024 2046 2048 2108 2112 2139 2176 2208 2244 2288 2346 2392 2418 2431 2496 2652 2728 2816 2852 2944 2976 2992 3036 3072 3128 3162 3224 3264 3289 3328 3432 3536 3588 3968 4048 4092 4096 4216 4224 4278 4301 4352 4416 4433 4488 4576 4692 4784 4836 4862 4992 5083 5304 5456 5632 5704 5797 5888 5952 5984 6072 6144 6256 6324 6448 6528 6578 6656 6851 6864 7072 7176 7293 7843 7936 8096 8184 8432 8448 8556 8602 8704 8832 8866 8976 9152 9269 9384 9568 9672 9724 9867 9984 10166 10608 10912 11264 11408 11594 11776 11904 11968 12121 12144 12288 12512 12648 12896 12903 13056 13156 13299 13312 13702 13728 14144 14352 14586 15249 15686 15872 16192 16368 16864 16896 17112 17204 17391 17408 17664 17732 17952 18304 18538 18768 19136 19344 19448 19734 19968 20332 20553 21216 21824 22528 22816 23188 23529 23552 23808 23936 24242 24288 25024 25296 25792 25806 26112 26312 26598 26624 27404 27456 27807 28288 28704 29172 30498 31372 31744 32384 32736 33728 33792 34224 34408 34782 34816 35328 35464 35904 36363 36608 37076 37536 38272 38688 38896 39468 39936 40664 41106 42432 43648 45056 45632 46376 47058 47104 47616 47872 48484 48576 50048 50592 51584 51612 52224 52624 53196 53248 54808 54912 55614 55913 56576 57408 58344 60996 62744 63488 64768 65472 67456 67584 68448 68816 69564 69632 70656 70928 71808 72726 73216 74152 75072 75361 76544 77376 77792 78936 79872 81328 82212 84864 87296 91264 92752 94116 94208 95232 95744 96968 97152 100096 101184 101959 103168 103224 104448 105248 106392 109616 109824 111228 111826 113152 114816 116688 121992 125488 126976 129536 130944 133331 134912 135168 136896 137632 139128 141312 141856 143616 145452 146432 148304 150144 150722 153088 154752 155584 157573 157872 159744 162656 164424 167739 169728 174592 182528 185504 188232 190464 191488 193936 194304 200192 202368 203918 206336 206448 208896 210496 212784 219232 219648 222456 223652 226083 226304 229632 233376 243984 250976 259072 261888 266662 269824 273792 275264 278256 282624 283712 287232 290904 292864 296608 300288 301444 305877 306176 309504 311168 315146 315744 325312 328848 335478 339456 349184 365056 371008 376464 380928 382976 387872 388608 399993 400384 404736 407836 412672 412896 420992 425568 438464 439296 444912 447304 452166 452608 459264 466752 472719 487968 501952 518144 523776 533324 539648 547584 550528 556512 567424 574464 581808 585728 593216 600576 602888 611754 612352 619008 622336 630292 631488 650624 657696 670956 678912 698368 730112 742016 752928 765952 775744 777216 799986 800768 809472 815672 825344 825792 841984 851136 876928 878592 889824 894608 904332 905216 918528 933504 945438 975936 1003904 1036288 1047552 1066648 1079296 1095168 1101056 1113024 1134848 1148928 1163616 1186432 1201152 1205776 1223508 1224704 1238016 1244672 1260584 1262976 1301248 1315392 1341912 1357824 1396736 1460224 1484032 1505856 1551488 1554432 1599972 1601536 1618944 1631344 1650688 1651584 1683968 1702272 1733303 1753856 1757184 1779648 1789216 1808664 1837056 1867008 1890876 1951872 2007808 2095104 2133296 2158592 2190336 2202112 2226048 2269696 2297856 2327232 2372864 2402304 2411552 2447016 2476032 2489344 2521168 2525952 2602496 2630784 2683824 2715648 2920448 2968064 3011712 3102976 3108864 3199944 3237888 3262688 3303168 3367936 3404544 3466606 3507712 3559296 3578432 3617328 3674112 3734016 3781752 3903744 4015616 4190208 4266592 4380672 4404224 4452096 4539392 4654464 4745728 4804608 4823104 4894032 4952064 4978688 5042336 5051904 5199909 5204992 5261568 5367648 5936128 6023424 6205952 6399888 6475776 6525376 6606336 6735872 6809088 6933212 7015424 7118592 7156864 7234656 7468032 7563504 7807488 8031232 8533184 8761344 8808448 8904192 9078784 9308928 9491456 9646208 9788064 9957376 10084672 10103808 10399818 10409984 10523136 10735296 11872256 12046848 12411904 12799776 13050752 13212672 13471744 13618176 13866424 14030848 14237184 14313728 14469312 14936064 15127008 15614976 16062464 17066368 17616896 17808384 18157568 18617856 18982912 19292416 19576128 20169344 20207616 20799636 20819968 21046272 21470592 23744512 24093696 24823808 25599552 26101504 26425344 27236352 27732848 28061696 28474368 28627456 28938624 29872128 30254016 31229952 32124928 34132736 35616768 37235712 37965824 38584832 39152256 40338688 40415232 41599272 42092544 42941184 48187392 49647616 51199104 52203008 52850688 54472704 55465696 56948736 57254912 57877248 60508032 62459904 68265472 71233536 74471424 77169664 78304512 80677376 83198544 84185088 85882368 96374784 102398208 104406016 110931392 113897472 114509824 115754496 121016064 136530944 148942848 154339328 156609024 161354752 166397088 171764736 204796416 208812032 221862784 229019648 231508992 242032128 273061888 308678656 313218048 322709504 332794176 343529472 409592832 417624064 443725568 463017984 484064256 546123776 626436096 645419008 665588352 687058944 819185664 887451136 926035968 968128512 1252872192 1331176704 1638371328 1774902272 1936257024 2662353408 3549804544 5324706816 7099609088 10649413632 21298827264
• Sum of all divisors σ(n): 76092162048
• Sum of proper divisors (its aliquot sum) s(n): 54793334784
• 21298827264 is an abundant number, because the sum of its proper divisors (54793334784) is greater than itself. Its abundance is 33494507520

Bases of 21298827264

• Binary: 10011110101100000100101000000000000₂
• Hexadecimal: 0x4F5825000
• Base-36: 9S8RSAO

Squares and roots of 21298827264

• 21298827264 squared (21298827264²) is 453640042821709725696
• 21298827264 cubed (21298827264³) is 9662000912093158596747926175744
• The square root of 21298827264 is 145941.1774106265
• The cube root of 21298827264 is 2771.9489671999

Scales and comparisons

• 21,298,827,264 seconds is equal to 677 years, 12 weeks, 2 days, 4 hours, 54 minutes, 24 seconds.
• To count from 1 to 21,298,827,264 would take you about one thousand, three hundred fifty-four 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 21298827264 cubic inches would be around 231 feet tall.

Recreational maths with 21298827264

• 21298827264 backwards is 46272889212
• 21298827264 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21298827264's digits is 51
• More coming soon!