21031998624

Names of 21031998624

• Cardinal: 21031998624 can be written as Twenty-one billion, thirty-one million, nine hundred ninety-eight thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 2.1031998624 × 10¹⁰

Factors of 21031998624

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 44

Divisors of 21031998624

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 27 28 32 36 38 39 42 48 52 54 56 57 63 72 76 78 81 84 91 96 104 108 112 114 117 126 133 144 152 156 162 168 169 171 182 189 208 216 224 228 234 247 252 266 273 288 304 312 324 336 338 342 351 361 364 378 399 416 432 456 468 494 504 507 513 532 546 567 608 624 648 672 676 684 702 722 728 741 756 798 819 864 912 936 988 1008 1014 1026 1053 1064 1083 1092 1134 1183 1197 1248 1296 1352 1368 1404 1444 1456 1482 1512 1521 1539 1596 1638 1729 1824 1872 1976 2016 2028 2052 2106 2128 2166 2184 2223 2268 2366 2394 2457 2527 2592 2704 2736 2808 2888 2912 2964 3024 3042 3078 3192 3211 3249 3276 3458 3549 3591 3744 3952 4056 4104 4212 4256 4332 4368 4446 4536 4563 4693 4732 4788 4914 5054 5187 5408 5472 5616 5776 5928 6048 6084 6156 6384 6422 6498 6552 6669 6859 6916 7098 7182 7371 7581 7904 8112 8208 8424 8664 8736 8892 9072 9126 9386 9464 9576 9633 9747 9828 10108 10374 10647 10773 11232 11552 11856 12168 12312 12768 12844 12996 13104 13338 13689 13718 13832 14079 14196 14364 14742 15162 15561 16224 16416 16848 17328 17784 18144 18252 18772 18928 19152 19266 19494 19656 20007 20216 20577 20748 21294 21546 22477 22743 23712 24336 24624 25688 25992 26208 26676 27378 27436 27664 28158 28392 28728 28899 29241 29484 30324 31122 31941 32851 33696 34656 35568 36504 37544 37856 38304 38532 38988 39312 40014 40432 41154 41496 42237 42588 43092 44954 45486 46683 48013 48672 49248 51376 51984 53352 54756 54872 55328 56316 56784 57456 57798 58482 58968 60648 61009 61731 62244 63882 65702 67431 68229 71136 73008 75088 77064 77976 78624 80028 80864 82308 82992 84474 85176 86184 86697 89167 89908 90972 93366 95823 96026 98553 102752 103968 106704 109512 109744 112632 113568 114912 115596 116964 117936 121296 122018 123462 124488 126711 127764 131404 134862 136458 140049 144039 146016 150176 154128 155952 160056 164616 165984 168948 170352 172368 173394 178334 179816 181944 183027 185193 186732 191646 192052 197106 202293 204687 213408 219024 219488 225264 231192 233928 235872 242592 244036 246924 248976 253422 255528 260091 262808 267501 269724 272916 280098 288078 295659 308256 311904 320112 329232 337896 340704 344736 346788 356668 359632 363888 366054 370386 373464 380133 383292 384104 394212 404586 409374 427063 432117 438048 450528 462384 467856 488072 493848 497952 506844 511056 520182 525616 535002 539448 545832 549081 555579 560196 576156 591318 606879 624169 640224 658464 675792 693576 713336 719264 727776 732108 740772 746928 760266 766584 768208 788424 802503 809172 818748 854126 864234 886977 924768 935712 976144 987696 1013688 1022112 1040364 1051232 1070004 1078896 1091664 1098162 1111158 1120392 1152312 1159171 1182636 1213758 1248338 1281189 1296351 1351584 1387152 1426672 1464216 1481544 1493856 1520532 1533168 1536416 1576848 1605006 1618344 1637496 1647243 1708252 1728468 1773954 1820637 1872507 1952288 1975392 2027376 2080728 2140008 2157792 2183328 2196324 2222316 2240784 2304624 2318342 2365272 2407509 2427516 2496676 2562378 2592702 2660931 2774304 2853344 2928432 2963088 3041064 3066336 3153696 3210012 3236688 3274992 3294486 3416504 3456936 3477513 3547908 3641274 3745014 3843567 3889053 4054752 4161456 4280016 4392648 4444632 4481568 4609248 4636684 4730544 4815018 4855032 4941729 4993352 5124756 5185404 5321862 5617521 5856864 5926176 6082128 6420024 6473376 6549984 6588972 6833008 6913872 6955026 7095816 7222527 7282548 7490028 7687134 7778106 8114197 8322912 8560032 8785296 8889264 9273368 9461088 9630036 9710064 9883458 9986704 10249512 10370808 10432539 10643724 11235042 11530701 12164256 12840048 13177944 13666016 13827744 13910052 14191632 14445054 14565096 14980056 15374268 15556212 16228394 16852563 17570592 17778528 18546736 19260072 19420128 19766916 19973408 20499024 20741616 20865078 21287448 22470084 23061402 24342591 25680096 26355888 27820104 28383264 28890108 29130192 29960112 30748536 31112424 31297617 32456788 33705126 34592103 37093472 38520144 39533832 40998048 41483232 41730156 42574896 44940168 46122804 48685182 50557689 52711776 55640208 57780216 58260384 59920224 61497072 62224848 62595234 64913576 67410252 69184206 73027773 77040288 79067664 83460312 85149792 89880336 92245608 93892851 97370364 101115378 111280416 115560432 122994144 124449696 125190468 129827152 134820504 138368412 146055546 158135328 166920624 179760672 184491216 187785702 194740728 202230756 219083319 231120864 250380936 259654304 269641008 276736824 292111092 333841248 368982432 375571404 389481456 404461512 438166638 500761872 539282016 553473648 584222184 657249957 751142808 778962912 808923024 876333276 1001523744 1106947296 1168444368 1314499914 1502285616 1617846048 1752666552 2336888736 2628999828 3004571232 3505333104 5257999656 7010666208 10515999312 21031998624
• Sum of all divisors σ(n): 80798921280
• Sum of proper divisors (its aliquot sum) s(n): 59766922656
• 21031998624 is an abundant number, because the sum of its proper divisors (59766922656) is greater than itself. Its abundance is 38734924032

Bases of 21031998624

• Binary: 10011100101100110101101010010100000₂
• Hexadecimal: 0x4E59AD4A0
• Base-36: 9NTWQ00

Squares and roots of 21031998624

• 21031998624 squared (21031998624²) is 442344966119937893376
• 21031998624 cubed (21031998624³) is 9303398718767860392449490714624
• The square root of 21031998624 is 145024.1311782285
• The cube root of 21031998624 is 2760.3247632965

Scales and comparisons

• 21,031,998,624 seconds is equal to 668 years, 39 weeks, 21 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,031,998,624 would take you about one thousand, three hundred thirty-seven 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 21031998624 cubic inches would be around 230 feet tall.

Recreational maths with 21031998624

• 21031998624 backwards is 42689913012
• The number of decimal digits it has is: 11
• The sum of 21031998624's digits is 45
• More coming soon!