21209990130

Names of 21209990130

• Cardinal: 21209990130 can be written as Twenty-one billion, two hundred nine million, nine hundred ninety thousand, one hundred thirty.

Scientific notation

• Scientific notation: 2.120999013 × 10¹⁰

Factors of 21209990130

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 169

Divisors of 21209990130

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 27 29 30 31 35 38 42 45 54 57 58 62 63 70 73 81 87 90 93 95 105 114 126 133 135 145 146 155 162 171 174 186 189 190 203 210 217 219 243 261 266 270 279 285 290 310 315 342 365 378 399 405 406 434 435 438 465 486 511 513 522 551 558 567 570 589 609 630 651 657 665 730 783 798 810 837 855 870 899 930 945 1015 1022 1026 1085 1095 1102 1134 1178 1197 1215 1218 1302 1305 1314 1330 1387 1395 1533 1539 1566 1653 1674 1701 1710 1767 1798 1827 1890 1953 1971 1995 2030 2117 2170 2190 2263 2349 2394 2430 2511 2555 2565 2610 2697 2755 2774 2790 2835 2945 3045 3066 3078 3255 3285 3306 3402 3534 3591 3654 3857 3906 3915 3942 3990 4123 4161 4185 4234 4495 4526 4599 4617 4698 4959 5022 5110 5130 5301 5394 5481 5510 5670 5859 5890 5913 5985 6090 6293 6351 6510 6570 6789 6935 7047 7182 7533 7665 7695 7714 7830 8091 8246 8265 8322 8370 8505 8835 8990 9135 9198 9234 9709 9765 9855 9918 10585 10602 10773 10962 11315 11571 11718 11745 11826 11970 12369 12483 12555 12586 12702 13485 13578 13797 13870 14094 14819 14877 15066 15330 15390 15841 15903 16182 16443 16530 17010 17081 17577 17670 17739 17955 18270 18879 19053 19285 19418 19530 19710 20367 20615 20805 21170 21546 22630 22995 23085 23142 23490 24273 24738 24795 24966 25110 26505 26970 27405 27594 29127 29295 29565 29638 29754 31465 31682 31755 31806 32319 32886 33945 34162 34713 35154 35235 35478 35910 37107 37449 37665 37758 38106 38570 40223 40455 40734 41230 41391 41610 42997 44457 44631 45990 46170 47523 47709 48545 48546 49329 49590 51243 52731 53010 53865 54810 56637 57159 57855 58254 58590 59130 61101 61845 62415 62930 63510 64638 65627 67890 68985 69426 70470 72819 74095 74214 74385 74898 75330 79205 79515 80446 80910 82215 82782 85405 85994 87381 87885 88695 88914 89262 94395 95046 95265 95418 97090 98658 101835 102486 104139 105462 107730 111321 112347 113274 114318 115710 119567 120669 121365 122202 123690 124173 124830 128991 131254 133371 133893 137970 142569 143127 145635 145638 148190 148770 153729 158410 159030 161595 164430 169911 170810 171477 173565 174762 175770 177390 183303 185535 187245 188790 190530 196881 201115 203670 206955 208278 214985 218457 222285 222642 223155 224694 237615 238545 239134 241338 242730 246645 248346 256215 257982 262143 263655 266742 267786 281561 283185 285138 285795 286254 291270 300979 305505 307458 312417 323190 328135 333963 337041 339822 342954 347130 358701 362007 364095 366606 371070 374490 386973 393762 400113 402230 413910 427707 429970 436905 436914 444570 446310 459389 461187 475230 477090 493290 509733 512430 514431 520695 524286 527310 549909 556605 561735 563122 566370 571590 590643 597835 601958 603345 611010 620865 624834 644955 656270 666855 667926 669465 674082 712845 715635 717402 724014 728190 768645 773946 786429 800226 844683 849555 855414 857385 873810 902937 916515 918778 922374 937251 984405 1001889 1019466 1028862 1041390 1076103 1086021 1092285 1099818 1113210 1123470 1160919 1181286 1195670 1200339 1206690 1241730 1246913 1283121 1289910 1310715 1333710 1338930 1378167 1383561 1407805 1425690 1431270 1504895 1529199 1537290 1562085 1572858 1669815 1685205 1689366 1699110 1714770 1771929 1793505 1805874 1810035 1833030 1874502 1934865 1968810 2000565 2003778 2138535 2152206 2172042 2184570 2296945 2305935 2321838 2359287 2400678 2493826 2534049 2548665 2566242 2572155 2621430 2708811 2749545 2756334 2767122 2815610 2953215 3009790 3058398 3124170 3228309 3258063 3339630 3370410 3482757 3543858 3587010 3601017 3620070 3740739 3849363 3869730 3932145 4001130 4134501 4150683 4223415 4277070 4514685 4593890 4611870 4686255 4718574 5009445 5068098 5097330 5144310 5315787 5380515 5417622 5430105 5499090 5804595 5906430 6001695 6234565 6415605 6456618 6516126 6890835 6917805 6965514 7202034 7481478 7602147 7645995 7698726 7864290 8126433 8269002 8301366 8446830 8728391 8859645 9029370 9372510 9684927 9774189 10018890 10448271 10631574 10761030 10860210 11222217 11609190 11796435 12003390 12403503 12469130 12670245 12831210 13544055 13781670 13835610 15204294 15291990 15947361 16141545 16252866 16290315 17413785 17456782 17719290 18005085 18703695 19246815 19369854 19548378 20672505 20753415 20896542 22444434 22806441 23592870 24379299 24807006 25340490 26185173 26578935 27088110 29054781 31894722 32283090 32580630 33666651 34827570 36010170 37210509 37407390 38010735 38493630 40632165 41345010 41506830 43641955 45612882 48424635 48758598 48870945 52241355 52370346 53157870 56111085 58109562 62017515 67333302 68419323 73137897 74421018 76021470 78555519 79736805 81264330 87283910 96849270 97741890 100999953 104482710 111631527 112222170 114032205 121896495 124035030 130925865 136838646 145273905 146275794 157111038 159473610 168333255 186052545 201999906 223263054 228064410 235666557 243792990 261851730 290547810 302999859 336666510 342096615 365689485 372105090 392777595 471333114 504999765 558157635 605999718 684193230 706999671 731378970 785555190 1009999530 1116315270 1178332785 1413999342 1514999295 2120999013 2356665570 3029998590 3534998355 4241998026 7069996710 10604995065 21209990130
• Sum of all divisors σ(n): 74472652800
• Sum of proper divisors (its aliquot sum) s(n): 53262662670
• 21209990130 is an abundant number, because the sum of its proper divisors (53262662670) is greater than itself. Its abundance is 32052672540

Bases of 21209990130

• Binary: 10011110000001101101100001111110010₂
• Hexadecimal: 0x4F036C3F2
• Base-36: 9QRVP4I

Squares and roots of 21209990130

• 21209990130 squared (21209990130²) is 449863681314697416900
• 21209990130 cubed (21209990130³) is 9541604240530197636385495197000
• The square root of 21209990130 is 145636.4999922753
• The cube root of 21209990130 is 2768.0896753925

Scales and comparisons

• 21,209,990,130 seconds is equal to 674 years, 21 weeks, 2 days, 23 hours, 55 minutes, 30 seconds.
• To count from 1 to 21,209,990,130 would take you about one thousand, three hundred forty-eight 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 21209990130 cubic inches would be around 230.7 feet tall.

Recreational maths with 21209990130

• 21209990130 backwards is 03109990212
• The number of decimal digits it has is: 11
• The sum of 21209990130's digits is 36
• More coming soon!