21201770304720

Names of 21201770304720

• Cardinal: 21201770304720 can be written as Twenty-one trillion, two hundred one billion, seven hundred seventy million, three hundred four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.120177030472 × 10¹³

Factors of 21201770304720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1260

Divisors of 21201770304720

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 157 180 240 314 360 471 628 720 785 942 1093 1256 1413 1570 1884 2186 2355 2512 2826 3140 3279 3768 4372 4710 5465 5652 6280 6558 7065 7536 8744 9420 9837 10930 11304 12560 13116 14130 16395 17488 18840 19674 21860 22608 24649 26232 28260 32790 37680 39348 43720 49185 49298 52464 56520 65580 73947 78696 87440 98370 98596 113040 123245 131160 147894 157392 171601 196740 197192 221841 246490 262320 295788 343202 369735 393480 394384 443682 492980 514803 591576 686404 739470 786960 858005 887364 985960 1029606 1109205 1183152 1194649 1372808 1478940 1544409 1716010 1774728 1971920 2059212 2218410 2389298 2574015 2745616 2957880 3088818 3432020 3549456 3583947 4118424 4436820 4778596 5148030 5915760 5973245 6177636 6864040 7167894 7722045 8236848 8873640 9557192 10296060 10751841 11946490 12355272 13728080 14335788 15444090 17747280 17919735 19114384 20592120 21503682 23892980 24710544 26941357 28671576 30888180 35839470 41184240 43007364 47785960 53759205 53882714 57343152 61776360 71678940 80824071 86014728 95571920 107518410 107765428 123552720 134706785 143357880 161648142 172029456 187559893 215036820 215530856 242472213 269413570 286715760 323296284 375119786 404120355 430073640 431061712 484944426 538827140 562679679 646592568 750239572 808240710 860147280 937799465 969888852 1077654280 1125359358 1212361065 1293185136 1500479144 1616481420 1688039037 1875598930 1939777704 2155308560 2250718716 2424722130 2813398395 3000958288 3232962840 3376078074 3751197860 3879555408 4501437432 4849444260 5626796790 6465925680 6752156148 7502395720 8440195185 9002874864 9698888520 11253593580 13504312296 15004791440 16880390370 19397777040 22507187160 27008624592 29446903201 33760780740 45014374320 58893806402 67521561480 88340709603 117787612804 135043122960 147234516005 176681419206 235575225608 265022128809 294469032010 353362838412 441703548015 471150451216 530044257618 588938064020 706725676824 883407096030 1060088515236 1177876128040 1325110644045 1413451353648 1766814192060 2120177030472 2355752256080 2650221288090 3533628384120 4240354060944 5300442576180 7067256768240 10600885152360 21201770304720
• Sum of all divisors σ(n): 71724642181218
• Sum of proper divisors (its aliquot sum) s(n): 50522871876498
• 21201770304720 is an abundant number, because the sum of its proper divisors (50522871876498) is greater than itself. Its abundance is 29321101571778

Bases of 21201770304720

• Binary: 100110100100001101011111111001101010011010000₂
• Hexadecimal: 0x13486BFCD4D0
• Base-36: 7IJYIMJ80

Squares and roots of 21201770304720

• 21201770304720 squared (21201770304720²) is 449515064054106801654278400
• 21201770304720 cubed (21201770304720³) is 9530515136586670282677054752859714048000
• The square root of 21201770304720 is 4604538.0120832969
• The cube root of 21201770304720 is 27677.3204276611

Scales and comparisons

• 21,201,770,304,720 seconds is equal to 674,150 years, 37 weeks, 1 day, 12 minutes.
• To count from 1 to 21,201,770,304,720 would take you about one million, six hundred eighty-five 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 21201770304720 cubic inches would be around 2306.4 feet tall.

Recreational maths with 21201770304720

• 21201770304720 backwards is 02740307710212
• 21201770304720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21201770304720's digits is 36
• More coming soon!