21262849920

Names of 21262849920

• Cardinal: 21262849920 can be written as Twenty-one billion, two hundred sixty-two million, eight hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.126284992 × 10¹⁰

Factors of 21262849920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 832

Divisors of 21262849920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 81 90 96 104 108 117 120 128 130 135 144 156 160 162 169 180 192 195 208 216 234 240 243 260 270 288 312 320 324 338 351 360 384 390 405 416 432 468 480 486 507 520 540 576 585 624 640 648 676 702 720 780 809 810 832 845 864 936 960 972 1014 1040 1053 1080 1152 1170 1215 1248 1296 1352 1404 1440 1521 1560 1618 1620 1664 1690 1728 1755 1872 1920 1944 2028 2080 2106 2160 2340 2427 2430 2496 2535 2592 2704 2808 2880 3042 3120 3159 3236 3240 3380 3456 3510 3744 3888 4045 4056 4160 4212 4320 4563 4680 4854 4860 4992 5070 5184 5265 5408 5616 5760 6084 6240 6318 6472 6480 6760 7020 7281 7488 7605 7776 8090 8112 8320 8424 8640 9126 9360 9708 9720 10140 10368 10517 10530 10816 11232 12135 12168 12480 12636 12944 12960 13520 13689 14040 14562 14976 15210 15552 15795 16180 16224 16848 17280 18252 18720 19416 19440 20280 21034 21060 21632 21843 22464 22815 24270 24336 24960 25272 25888 25920 27040 27378 28080 29124 30420 31104 31551 31590 32360 32448 33696 36405 36504 37440 38832 38880 40560 41067 42068 42120 43686 44928 45630 48540 48672 50544 51776 51840 52585 54080 54756 56160 58248 60840 63102 63180 64720 64896 65529 67392 68445 72810 73008 74880 77664 77760 81120 82134 84136 84240 87372 91260 94653 97080 97344 101088 103552 105170 108160 109215 109512 112320 116496 121680 126204 126360 129440 131058 134784 136721 136890 145620 146016 155328 155520 157755 162240 164268 168272 168480 174744 182520 189306 194160 194688 196587 202176 205335 210340 218430 219024 224640 232992 243360 252408 252720 258880 262116 273442 273780 283959 291240 292032 310656 315510 324480 327645 328536 336544 336960 349488 365040 378612 388320 393174 404352 410163 410670 420680 436860 438048 465984 473265 486720 504816 505440 517760 524232 546884 547560 567918 582480 584064 631020 655290 657072 673088 673920 683605 698976 730080 757224 776640 786348 820326 821340 841360 851877 873720 876096 931968 946530 973440 982935 1009632 1010880 1048464 1093768 1095120 1135836 1164960 1230489 1262040 1310580 1314144 1346176 1367210 1397952 1419795 1460160 1514448 1553280 1572696 1640652 1642680 1682720 1703754 1747440 1752192 1893060 1965870 2019264 2021760 2050815 2096928 2187536 2190240 2271672 2329920 2460978 2524080 2555631 2621160 2628288 2734420 2795904 2839590 2920320 3028896 3145392 3281304 3285360 3365440 3407508 3494880 3691467 3786120 3931740 4038528 4101630 4193856 4259385 4375072 4380480 4543344 4659840 4921956 5048160 5111262 5242320 5256576 5468840 5679180 6057792 6152445 6290784 6562608 6570720 6730880 6815016 6989760 7382934 7572240 7863480 8203260 8387712 8518770 8750144 8760960 9086688 9843912 10096320 10222524 10484640 10937680 11074401 11358360 12115584 12304890 12581568 12778155 13125216 13141440 13630032 13979520 14765868 15144480 15726960 16406520 17037540 17500288 18173376 18457335 19687824 20192640 20445048 20969280 21875360 22148802 22716720 24609780 25163136 25556310 26250432 26282880 27260064 29531736 30288960 31453920 32813040 33223203 34075080 36346752 36914670 39375648 40890096 41938560 43750720 44297604 45433440 49219560 51112620 52500864 54520128 55372005 59063472 60577920 62907840 65626080 66446406 68150160 73829340 78751296 81780192 87501440 88595208 90866880 98439120 102225240 109040256 110744010 118126944 125815680 131252160 132892812 136300320 147658680 157502592 163560384 166116015 177190416 181733760 196878240 204450480 221488020 236253888 262504320 265785624 272600640 295317360 327120768 332232030 354380832 393756480 408900960 442976040 472507776 531571248 545201280 590634720 664464060 708761664 787512960 817801920 885952080 1063142496 1181269440 1328928120 1417523328 1635603840 1771904160 2126284992 2362538880 2657856240 3543808320 4252569984 5315712480 7087616640 10631424960 21262849920
• Sum of all divisors σ(n): 82552251600
• Sum of proper divisors (its aliquot sum) s(n): 61289401680
• 21262849920 is an abundant number, because the sum of its proper divisors (61289401680) is greater than itself. Its abundance is 40026551760

Bases of 21262849920

• Binary: 10011110011010111010101011110000000₂
• Hexadecimal: 0x4F35D5780
• Base-36: 9RNCO00

Squares and roots of 21262849920

• 21262849920 squared (21262849920²) is 452108786720444006400
• 21262849920 cubed (21262849920³) is 9613121279550089903846719488000
• The square root of 21262849920 is 145817.8655720897
• The cube root of 21262849920 is 2770.3873230583

Scales and comparisons

• 21,262,849,920 seconds is equal to 676 years, 4 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 21,262,849,920 would take you about one thousand, three hundred fifty-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 21262849920 cubic inches would be around 230.9 feet tall.

Recreational maths with 21262849920

• 21262849920 backwards is 02994826212
• 21262849920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21262849920's digits is 45
• More coming soon!