21430180772

Names of 21430180772

• Cardinal: 21430180772 can be written as Twenty-one billion, four hundred thirty million, one hundred eighty thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.1430180772 × 10¹⁰

Factors of 21430180772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 193

Divisors of 21430180772

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 11 13 14 22 26 28 44 49 52 71 77 89 91 98 121 142 143 154 178 182 196 242 284 286 308 356 364 484 497 539 572 623 637 781 847 923 979 994 1001 1078 1157 1246 1274 1331 1562 1573 1694 1846 1958 1988 2002 2156 2314 2492 2548 2662 3124 3146 3388 3479 3692 3916 4004 4361 4628 5324 5467 5929 6292 6319 6461 6853 6958 7007 8099 8591 8722 9317 10153 10769 10934 11011 11858 12638 12727 12922 13706 13916 14014 16198 17182 17303 17444 18634 20306 21538 21868 22022 23716 25276 25454 25844 27412 28028 32396 34364 34606 37268 38269 40612 43076 44044 44233 45227 47971 50908 56693 60137 65219 69212 69509 71071 75383 76538 77077 82147 88466 89089 90454 94501 95942 111683 113386 118459 120274 121121 130438 139018 139997 142142 150766 153076 154154 164294 176932 178178 180908 189002 191884 223366 226772 236918 240548 242242 260876 278036 279994 284284 301532 308308 309631 328588 356356 378004 420959 446732 473836 484484 486563 497497 527681 559988 575029 619262 623623 661507 764599 781781 829213 841918 847847 903617 973126 979979 994994 1055362 1150058 1228513 1238524 1247246 1323014 1529198 1539967 1563562 1658426 1683836 1695694 1807234 1946252 1959958 1989988 2110724 2300116 2457026 2494492 2646028 3058396 3079934 3127124 3316852 3391388 3405941 3614468 3919916 4025203 4630549 4914052 5352193 5472467 5804491 6159868 6325319 6811882 6859853 8050406 8410589 8599591 9261098 9939787 10704386 10779769 10944934 11608982 12650638 13623764 13719706 16100812 16821178 17199182 18522196 19879574 21408772 21559538 21889868 23217964 25301276 27439412 33642356 34398364 37465351 39759148 43119076 44277233 58874123 60197137 69578509 74930702 75458383 88554466 109337657 117748246 120394274 139157018 149861404 150916766 177108932 218675314 235496492 240788548 278314036 301833532 412118861 437350628 487049563 765363599 824237722 974099126 1530727198 1648475444 1948198252 3061454396 5357545193 10715090386 21430180772
• Sum of all divisors σ(n): 52992817920
• Sum of proper divisors (its aliquot sum) s(n): 31562637148
• 21430180772 is an abundant number, because the sum of its proper divisors (31562637148) is greater than itself. Its abundance is 10132456376

Bases of 21430180772

• Binary: 10011111101010101101001101110100100₂
• Hexadecimal: 0x4FD569BA4
• Base-36: 9UEZ5B8

Squares and roots of 21430180772

• 21430180772 squared (21430180772²) is 459252647920598515984
• 21430180772 cubed (21430180772³) is 9841867264958096099972051459648
• The square root of 21430180772 is 146390.5077933675
• The cube root of 21430180772 is 2777.6356539307

Scales and comparisons

• 21,430,180,772 seconds is equal to 681 years, 21 weeks, 3 days, 11 hours, 59 minutes, 32 seconds.
• To count from 1 to 21,430,180,772 would take you about one thousand, three hundred sixty-two 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 21430180772 cubic inches would be around 231.5 feet tall.

Recreational maths with 21430180772

• 21430180772 backwards is 27708103412
• The number of decimal digits it has is: 11
• The sum of 21430180772's digits is 35
• More coming soon!