21641620500

Names of 21641620500

• Cardinal: 21641620500 can be written as Twenty-one billion, six hundred forty-one million, six hundred twenty thousand, five hundred.

Scientific notation

• Scientific notation: 2.16416205 × 10¹⁰

Factors of 21641620500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 70

Divisors of 21641620500

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 25 27 30 34 36 43 45 50 51 54 60 68 75 81 85 86 90 100 102 108 125 129 135 150 153 162 170 172 180 204 215 225 250 255 258 270 289 300 306 324 340 375 387 405 425 430 450 459 500 510 516 540 578 612 645 675 731 750 765 774 810 850 860 867 900 918 1020 1075 1125 1156 1161 1275 1290 1350 1377 1445 1462 1500 1530 1548 1620 1700 1734 1836 1849 1935 2025 2125 2150 2193 2250 2295 2322 2550 2580 2601 2700 2754 2890 2924 3060 3225 3375 3468 3483 3655 3698 3825 3870 4050 4250 4300 4335 4386 4500 4590 4644 5100 5202 5375 5508 5547 5780 5805 6375 6450 6579 6750 6885 6966 7225 7310 7396 7650 7740 7803 8100 8500 8670 8772 9180 9245 9675 10125 10404 10750 10965 11094 11475 11610 12427 12750 12900 13005 13158 13500 13770 13932 14450 14620 15300 15606 16125 16641 17340 17415 18275 18490 19125 19350 19737 20250 21500 21675 21930 22188 22950 23220 23409 24854 25500 26010 26316 27540 27735 28900 29025 31212 31433 32250 32895 33282 34425 34830 36125 36550 36980 37281 38250 38700 39015 39474 40500 43350 43860 45900 46225 46818 48375 49708 49923 52020 54825 55470 57375 58050 59211 62135 62866 64500 65025 65790 66564 68850 69660 72250 73100 74562 76500 78030 78948 83205 86700 87075 91375 92450 93636 94299 96750 98685 99846 108375 109650 110940 111843 114750 116100 117045 118422 124270 125732 130050 131580 137700 138675 144500 145125 149124 149769 156060 157165 164475 166410 172125 174150 182750 184900 186405 188598 193500 195075 197370 199692 216750 219300 223686 229500 231125 234090 236844 248540 249615 260100 274125 277350 282897 290250 296055 299538 310675 314330 325125 328950 332820 335529 344250 348300 365500 372810 377196 390150 394740 416025 433500 435375 447372 462250 468180 471495 493425 499230 534361 548250 554700 559215 565794 580500 585225 592110 599076 621350 628660 650250 657900 671058 688500 693375 745620 748845 780300 785825 822375 832050 848691 870750 924500 932025 942990 975375 986850 998460 1006587 1068722 1096500 1118430 1131588 1170450 1184220 1242700 1248075 1300500 1342116 1386750 1414485 1480275 1497690 1553375 1571650 1603083 1644750 1664100 1677645 1697382 1741500 1864050 1885980 1950750 1973700 2013174 2080125 2137444 2236860 2340900 2357475 2467125 2496150 2546073 2671805 2773500 2796075 2828970 2926125 2960550 2995380 3106750 3143300 3206166 3289500 3355290 3394764 3728100 3744225 3901500 3929125 4026348 4160250 4243455 4660125 4714950 4809249 4934250 4992300 5032935 5092146 5343610 5592150 5657940 5852250 5921100 6213500 6240375 6412332 6710580 7072425 7401375 7488450 7858250 8015415 8320500 8388225 8486910 9320250 9429900 9618498 9868500 10065870 10184292 10687220 11184300 11704500 11787375 12480750 12730365 13359025 13980375 14144850 14427747 14802750 14976900 15716500 16030830 16776450 16973820 18640500 18721125 19236996 20131740 21217275 23574750 24046245 24961500 25164675 25460730 26718050 27960750 28289700 28855494 29605500 32061660 33552900 35362125 37442250 40077075 41941125 42434550 43283241 47149500 48092490 50329350 50921460 53436100 55921500 57710988 63651825 66795125 70724250 72138735 74884500 80154150 83882250 84869100 86566482 96184980 100658700 106086375 120231225 125823375 127303650 133590250 141448500 144277470 160308300 167764500 173132964 200385375 212172750 216416205 240462450 251646750 254607300 267180500 288554940 318259125 360693675 400770750 424345500 432832410 480924900 503293500 601156125 636518250 721387350 801541500 865664820 1082081025 1202312250 1273036500 1442774700 1803468375 2164162050 2404624500 3606936750 4328324100 5410405125 7213873500 10820810250 21641620500
• Sum of all divisors σ(n): 76788643932
• Sum of proper divisors (its aliquot sum) s(n): 55147023432
• 21641620500 is an abundant number, because the sum of its proper divisors (55147023432) is greater than itself. Its abundance is 33505402932

Bases of 21641620500

• Binary: 10100001001111100001110110000010100₂
• Hexadecimal: 0x509F0EC14
• Base-36: 9XWV190

Squares and roots of 21641620500

• 21641620500 squared (21641620500²) is 468359737866020250000
• 21641620500 cubed (21641620500³) is 10136063704375890095815125000000
• The square root of 21641620500 is 147110.9122397111
• The cube root of 21641620500 is 2786.7409047921

Scales and comparisons

• 21,641,620,500 seconds is equal to 688 years, 7 weeks, 17 hours, 15 minutes.
• To count from 1 to 21,641,620,500 would take you about one thousand, three hundred seventy-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 21641620500 cubic inches would be around 232.2 feet tall.

Recreational maths with 21641620500

• 21641620500 backwards is 00502614612
• 21641620500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21641620500's digits is 27
• More coming soon!