21240809052120

Names of 21240809052120

• Cardinal: 21240809052120 can be written as Twenty-one trillion, two hundred forty billion, eight hundred nine million, fifty-two thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.124080905212 × 10¹³

Factors of 21240809052120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 118

Divisors of 21240809052120

• Number of divisors d(n): 560
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 101 105 108 120 126 135 140 162 168 180 189 202 210 216 243 252 270 280 303 315 324 360 378 404 405 420 486 504 505 540 567 606 630 648 707 729 756 808 810 840 909 945 972 1010 1080 1134 1212 1215 1260 1414 1458 1512 1515 1620 1701 1818 1890 1944 2020 2121 2268 2424 2430 2520 2727 2828 2835 2916 3030 3240 3402 3535 3636 3645 3780 4040 4242 4536 4545 4860 5103 5454 5656 5670 5832 6060 6363 6804 7070 7272 7290 7560 8181 8484 8505 9090 9720 10201 10206 10605 10908 11340 12120 12726 13608 13635 14140 14580 16362 16968 17010 18180 19089 20402 20412 21210 21816 22680 24543 25452 25515 27270 28280 29160 30603 31815 32724 34020 36360 38178 40804 40824 40905 42420 49086 50904 51005 51030 54540 57267 61206 63630 65448 68040 71407 73629 76356 81608 81810 84840 91809 95445 98172 102010 102060 109080 114534 122412 122715 127260 142814 147258 152712 153015 163620 171801 183618 190890 196344 204020 204120 214221 229068 244824 245430 254520 275427 285628 286335 294516 306030 327240 343602 357035 367236 368145 381780 408040 428442 458136 459045 490860 515403 550854 571256 572670 589032 612060 642663 687204 714070 734472 736290 763560 826281 856884 859005 918090 981720 1030301 1030806 1071105 1101708 1145340 1224120 1285326 1374408 1377135 1428140 1472580 1652562 1713768 1718010 1836180 1927989 2060602 2061612 2142210 2203416 2290680 2478843 2570652 2577015 2754270 2856280 2945160 3090903 3213315 3305124 3436020 3672360 3855978 4121204 4123224 4131405 4284420 4957686 5141304 5151505 5154030 5508540 5783967 6181806 6426630 6610248 6872040 7212107 7436529 7711956 8242408 8262810 8568840 9272709 9639945 9915372 10303010 10308060 11017080 11567934 12363612 12394215 12853260 14424214 14873058 15423912 15454515 16525620 17351901 18545418 19279890 19830744 20606020 20616120 21636321 23135868 24727224 24788430 25706520 27818127 28848428 28919835 29746116 30909030 33051240 34703802 36060535 37090836 37182645 38559780 41212040 43272642 46271736 46363545 49576860 52055703 55636254 57696856 57839670 59492232 61818060 64908963 69407604 72121070 74181672 74365290 77119560 83454381 86545284 86759505 92727090 99153720 104060401 104111406 108181605 111272508 115679340 123636120 129817926 138815208 139090635 144242140 148730580 166908762 173090568 173519010 185454180 194726889 208120802 208222812 216363210 222545016 231358680 250363143 259635852 260278515 278181270 288484280 297461160 312181203 324544815 333817524 347038020 370908360 389453778 416241604 416445624 417271905 432726420 500726286 519271704 520302005 520557030 556362540 584180667 624362406 649089630 667635048 694076040 728422807 751089429 778907556 832483208 834543810 865452840 936543609 973634445 1001452572 1040604010 1041114060 1112725080 1168361334 1248724812 1251815715 1298179260 1456845614 1502178858 1557815112 1560906015 1669087620 1752542001 1873087218 1947268890 2002905144 2081208020 2082228120 2185268421 2336722668 2497449624 2503631430 2596358520 2809630827 2913691228 2920903335 3004357716 3121812030 3338175240 3505084002 3642114035 3746174436 3755447145 3894537780 4162416040 4370536842 4673445336 4682718045 5007262860 5257626003 5619261654 5827382456 5841806670 6008715432 6243624060 6555805263 7010168004 7284228070 7492348872 7510894290 7789075560 8428892481 8741073684 8762710005 9365436090 10014525720 10515252006 10926342105 11238523308 11683613340 12487248120 13111610526 14020336008 14048154135 14568456140 15021788580 16857784962 17482147368 17525420010 18730872180 19667415789 21030504012 21852684210 22477046616 23367226680 25286677443 26223221052 26288130015 28096308270 29136912280 30043577160 32779026315 33715569924 35050840020 37461744360 39334831578 42061008024 42144462405 43705368420 50573354886 52446442104 52576260030 56192616540 59002247367 65558052630 67431139848 70101680040 75860032329 78669663156 84288924810 87410736840 98337078945 101146709772 105152520060 112385233080 118004494734 126433387215 131116105260 151720064658 157339326312 168577849620 177006742101 196674157890 202293419544 210305040120 236008989468 252866774430 262232210520 295011236835 303440129316 337155699240 354013484202 379300161645 393348315780 472017978936 505733548860 531020226303 590022473670 606880258632 708026968404 758600323290 786696631560 885033710505 1011467097720 1062040452606 1180044947340 1416053936808 1517200646580 1770067421010 2124080905212 2360089894680 2655101131515 3034401293160 3540134842020 4248161810424 5310202263030 7080269684040 10620404526060 21240809052120
• Sum of all divisors σ(n): 82710286894800
• Sum of proper divisors (its aliquot sum) s(n): 61469477842680
• 21240809052120 is an abundant number, because the sum of its proper divisors (61469477842680) is greater than itself. Its abundance is 40228668790560

Bases of 21240809052120

• Binary: 100110101000110000010111000001101011111011000₂
• Hexadecimal: 0x135182E0D7D8
• Base-36: 7J1W5ADI0

Squares and roots of 21240809052120

• 21240809052120 squared (21240809052120²) is 451171969188622932876494400
• 21240809052120 cubed (21240809052120³) is 9583257647204507724360465401492488128000
• The square root of 21240809052120 is 4608775.2225640165
• The cube root of 21240809052120 is 27694.2973972987

Scales and comparisons

• 21,240,809,052,120 seconds is equal to 675,392 years, 1 week, 2 days, 8 hours, 42 minutes.
• To count from 1 to 21,240,809,052,120 would take you about one million, six hundred eighty-eight thousand, four hundred eighty 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 21240809052120 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21240809052120

• 21240809052120 backwards is 02125090804212
• 21240809052120 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21240809052120's digits is 36
• More coming soon!