21017400404

Names of 21017400404

• Cardinal: 21017400404 can be written as Twenty-one billion, seventeen million, four hundred thousand, four hundred four.

Scientific notation

• Scientific notation: 2.1017400404 × 10¹⁰

Factors of 21017400404

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 151

Divisors of 21017400404

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 11 13 14 22 26 28 44 47 52 71 77 91 94 121 142 143 154 169 182 188 242 284 286 308 329 338 364 484 497 517 572 611 658 676 781 847 923 994 1001 1034 1183 1222 1316 1331 1562 1573 1694 1846 1859 1988 2002 2068 2366 2444 2662 3124 3146 3337 3388 3619 3692 3718 4004 4277 4732 5324 5467 5687 6292 6461 6674 6721 7238 7436 7943 8554 8591 9317 10153 10934 11011 11374 11999 12922 13013 13348 13442 14476 15886 17108 17182 17303 18634 20306 20449 21868 22022 22748 23359 23998 25844 26026 26884 31772 34364 34606 36707 37268 39809 40612 40898 43381 44044 46718 47047 47996 52052 55601 60137 62557 69212 71071 73414 73931 79618 81796 83993 86762 87373 93436 94094 94501 111202 111683 120274 121121 125114 131989 142142 143143 146828 147862 159236 167986 173524 174746 188188 189002 222404 223366 224939 240548 242242 250228 256949 263978 284284 286286 295724 303667 335972 349492 378004 403777 437899 446732 449878 477191 484484 513898 517517 527956 563953 572572 607334 611611 661507 781781 807554 813241 875798 899756 923923 954382 961103 1027796 1035034 1127906 1214668 1223222 1228513 1323014 1451879 1563562 1574573 1615108 1626482 1751596 1847846 1908764 1922206 2070068 2255812 2446444 2457026 2646028 2826439 2903758 3127124 3149146 3252964 3340337 3695692 3844412 3947671 4441547 4914052 5249101 5652878 5692687 5807516 6203483 6298292 6680674 6727721 7895342 8599591 8883094 10163153 10498202 10572133 11305756 11385374 12406966 13361348 13455442 15790684 15970669 17199182 17766188 20326306 20996404 21144266 22770748 24813932 26910884 31090829 31941338 34398364 36743707 40652612 42288532 43424381 57740111 62181658 63882676 68238313 73487414 74004931 86848762 111794683 115480222 124363316 136476626 146974828 148009862 173697524 223589366 230960444 272953252 296019724 404180777 447178732 477668191 750621443 808361554 955336382 1501242886 1616723108 1910672764 3002485772 5254350101 10508700202 21017400404
• Sum of all divisors σ(n): 51850616832
• Sum of proper divisors (its aliquot sum) s(n): 30833216428
• 21017400404 is an abundant number, because the sum of its proper divisors (30833216428) is greater than itself. Its abundance is 9815816024

Bases of 21017400404

• Binary: 10011100100101111000001010001010100₂
• Hexadecimal: 0x4E4BC1454
• Base-36: 9NL7TXW

Squares and roots of 21017400404

• 21017400404 squared (21017400404²) is 441731119742059363216
• 21017400404 cubed (21017400404³) is 9284039814526130836247941139264
• The square root of 21017400404 is 144973.7921280947
• The cube root of 21017400404 is 2759.6859722883

Scales and comparisons

• 21,017,400,404 seconds is equal to 668 years, 14 weeks, 6 days, 22 hours, 46 minutes, 44 seconds.
• To count from 1 to 21,017,400,404 would take you about one thousand, three hundred thirty-six 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 21017400404 cubic inches would be around 230 feet tall.

Recreational maths with 21017400404

• 21017400404 backwards is 40400471012
• The number of decimal digits it has is: 11
• The sum of 21017400404's digits is 23
• More coming soon!