21301307664

Names of 21301307664

• Cardinal: 21301307664 can be written as Twenty-one billion, three hundred one million, three hundred seven thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1301307664 × 10¹⁰

Factors of 21301307664

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 261

Divisors of 21301307664

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 19 21 24 26 28 38 39 42 43 47 48 52 56 57 76 78 84 86 91 94 104 112 114 127 129 133 141 152 156 168 172 182 188 208 228 247 254 258 266 273 282 301 304 312 329 336 344 364 376 381 399 456 494 508 516 532 546 559 564 602 611 624 658 688 728 741 752 762 798 817 889 893 903 912 987 988 1016 1032 1064 1092 1118 1128 1204 1222 1316 1456 1482 1524 1596 1634 1651 1677 1729 1778 1786 1806 1833 1974 1976 2021 2032 2064 2128 2184 2236 2256 2408 2413 2444 2451 2632 2667 2679 2964 3048 3192 3268 3302 3354 3458 3556 3572 3612 3666 3913 3948 3952 4042 4277 4368 4472 4816 4826 4888 4902 4953 5187 5264 5334 5358 5461 5719 5928 5969 6063 6096 6251 6384 6536 6604 6708 6916 7112 7144 7224 7239 7332 7826 7896 8084 8554 8944 9652 9776 9804 9906 10374 10621 10668 10716 10922 11438 11557 11609 11739 11856 11938 12126 12502 12831 13072 13208 13416 13832 14147 14224 14288 14448 14478 14664 15652 15792 16168 16383 16891 17108 17157 17907 18753 19304 19608 19812 20748 21242 21336 21432 21844 22876 23114 23218 23478 23876 24252 25004 25662 26273 26416 26832 27664 28294 28956 29328 31304 31369 31863 32336 32766 33782 34216 34314 34671 34827 35814 37506 38227 38399 38608 39216 39624 41496 41783 42441 42484 42672 42864 43688 45752 46228 46436 46956 47752 48504 50008 50673 51324 52546 56588 57912 62608 62738 63726 65532 67564 68432 68628 69342 69654 70993 71628 74347 75012 76454 76798 77597 78819 79248 81263 82992 83566 84882 84968 87376 91504 92456 92872 93912 94107 95504 97008 100016 101346 102648 103759 105092 113176 113411 114681 115197 115824 125349 125476 127452 131064 135128 137256 138684 139308 141986 143256 148694 150024 152908 153596 155194 157638 162526 167132 169764 169936 183911 184912 185744 187824 188214 202692 205296 207518 210184 212979 219583 223041 226352 226822 229362 230394 232791 243789 250698 250952 254904 256667 262128 268793 270256 274512 277368 278616 283972 286512 297388 300048 305816 307192 310388 311277 315276 325052 334264 339528 340233 367822 376428 405384 415036 420368 425958 439166 446082 453644 458724 460788 465582 487578 496951 499187 501396 501904 509808 513334 537586 543179 551733 554736 557232 567944 594776 611632 614384 620776 622554 630552 650104 658749 668528 679056 680466 726313 735644 752856 770001 793877 806379 810768 830072 851916 878332 892164 907288 917448 921576 931164 975156 993902 998374 1002792 1026668 1075172 1086358 1103466 1135888 1189552 1241552 1245108 1261104 1300208 1317498 1348867 1360932 1452626 1471288 1474343 1490853 1497561 1505712 1540002 1587754 1612758 1629537 1660144 1703832 1756664 1784328 1796669 1814576 1834896 1843152 1862328 1950312 1987804 1996748 2005584 2053336 2150344 2172716 2178939 2206932 2381631 2490216 2634996 2697734 2721864 2905252 2942576 2948686 2981706 2995122 3080004 3175508 3225516 3259074 3336671 3407664 3494309 3513328 3568656 3593338 3724656 3900624 3975608 3993496 4046601 4106672 4300688 4345432 4357878 4413864 4423029 4763262 4876673 4980432 5269992 5390007 5395468 5443728 5810504 5897372 5963412 5990244 6160008 6351016 6451032 6518148 6673342 6988618 7186676 7951216 7986992 8093202 8690864 8715756 8827728 8846058 9442069 9526524 9753346 10010013 10320401 10482927 10539984 10780014 10790936 11621008 11794744 11926824 11980488 12320016 12702032 12902064 13036296 13346684 13977236 14373352 14630019 16186404 17431512 17692116 18884138 19053048 19506692 20020026 20640802 20965854 21560028 21581872 23356697 23589488 23853648 23960976 26072592 26693368 27954472 28326207 28746704 29260038 30961203 32372808 34136711 34863024 35384232 37768276 38106096 39013384 40040052 41281604 41931708 43120056 46713394 53386736 55908944 56652414 58520076 61922406 63396749 64745616 68273422 70070091 70768464 75536552 78026768 80080104 82563208 83863416 86240112 93426788 102410133 113304828 117040152 123844812 126793498 136546844 140140182 151073104 160160208 165126416 167726832 186853576 190190247 204820266 226609656 234080304 247689624 253586996 273093688 280280364 373707152 380380494 409640532 443777243 453219312 495379248 507173992 546187376 560560728 760760988 819281064 887554486 1014347984 1121121456 1331331729 1521521976 1638562128 1775108972 2662663458 3043043952 3550217944 5325326916 7100435888 10650653832 21301307664
• Sum of all divisors σ(n): 75088527360
• Sum of proper divisors (its aliquot sum) s(n): 53787219696
• 21301307664 is an abundant number, because the sum of its proper divisors (53787219696) is greater than itself. Its abundance is 32485912032

Bases of 21301307664

• Binary: 10011110101101010000010100100010000₂
• Hexadecimal: 0x4F5A82910
• Base-36: 9SA8Y6O

Squares and roots of 21301307664

• 21301307664 squared (21301307664²) is 453745708196385136896
• 21301307664 cubed (21301307664³) is 9665376931510766333658453970944
• The square root of 21301307664 is 145949.6751075521
• The cube root of 21301307664 is 2772.0565674175

Scales and comparisons

• 21,301,307,664 seconds is equal to 677 years, 16 weeks, 2 days, 21 hours, 54 minutes, 24 seconds.
• To count from 1 to 21,301,307,664 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 21301307664 cubic inches would be around 231 feet tall.

Recreational maths with 21301307664

• 21301307664 backwards is 46670310312
• The number of decimal digits it has is: 11
• The sum of 21301307664's digits is 33
• More coming soon!