21355921953200

Names of 21355921953200

• Cardinal: 21355921953200 can be written as Twenty-one trillion, three hundred fifty-five billion, nine hundred twenty-one million, nine hundred fifty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.13559219532 × 10¹³

Factors of 21355921953200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 20733

Divisors of 21355921953200

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 41 50 61 80 82 100 122 164 200 205 244 305 328 400 410 488 610 656 820 976 1025 1093 1220 1525 1640 2050 2186 2440 2501 3050 3280 4100 4372 4880 5002 5465 6100 8200 8744 10004 10930 12200 12505 16400 17488 19531 20008 21860 24400 25010 27325 39062 40016 43720 44813 50020 54650 62525 66673 78124 87440 89626 97655 100040 109300 125050 133346 156248 179252 195310 200080 218600 224065 250100 266692 312496 333365 358504 390620 437200 448130 488275 500200 533384 666730 717008 781240 800771 896260 976550 1000400 1066768 1120325 1191391 1333460 1562480 1601542 1666825 1792520 1953100 2240650 2382782 2666920 2733593 3203084 3333650 3585040 3906200 4003855 4481300 4765564 5333840 5467186 5956955 6406168 6667300 7812400 8007710 8962600 9531128 10934372 11913910 12812336 13334600 13667965 16015420 17925200 19062256 20019275 21347383 21868744 23827820 26669200 27335930 29784775 32030840 40038550 42694766 43737488 47655640 48847031 54671860 59569550 64061680 68339825 80077100 85389532 95311280 97694062 106736915 109343720 119139100 136679650 160154200 170779064 195388124 213473830 218687440 238278200 244235155 273359300 320308400 341558128 390776248 426947660 476556400 488470310 533684575 546718600 781552496 853895320 875242703 976940620 1067369150 1093437200 1221175775 1302190363 1707790640 1750485406 1953881240 2134738300 2442351550 2604380726 3500970812 3907762480 4269476600 4376213515 4884703100 5208761452 6510951815 7001941624 8538953200 8752427030 9769406200 10417522904 13021903630 14003883248 17504854060 19538812400 20835045808 21881067575 26043807260 32554759075 35009708120 43762135150 52087614520 53389804883 65109518150 70019416240 87524270300 104175229040 106779609766 130219036300 175048540600 213559219532 260438072600 266949024415 350097081200 427118439064 520876145200 533898048830 854236878128 1067796097660 1334745122075 2135592195320 2669490244150 4271184390640 5338980488300 10677960976600 21355921953200
• Sum of all divisors σ(n): 53472243411552
• Sum of proper divisors (its aliquot sum) s(n): 32116321458352
• 21355921953200 is an abundant number, because the sum of its proper divisors (32116321458352) is greater than itself. Its abundance is 10760399505152

Bases of 21355921953200

• Binary: 100110110110001010000001001000101000110110000₂
• Hexadecimal: 0x136C502451B0
• Base-36: 7KIRWJCFK

Squares and roots of 21355921953200

• 21355921953200 squared (21355921953200²) is 456075402471169702990240000
• 21355921953200 cubed (21355921953200³) is 9739910699948578590171990101336768000000
• The square root of 21355921953200 is 4621246.7963959683
• The cube root of 21355921953200 is 27744.2363175385

Scales and comparisons

• 21,355,921,953,200 seconds is equal to 679,052 years, 13 weeks, 3 days, 14 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,355,921,953,200 would take you about one million, six hundred ninety-seven thousand, six hundred thirty 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 21355921953200 cubic inches would be around 2312 feet tall.

Recreational maths with 21355921953200

• 21355921953200 backwards is 00235912955312
• The number of decimal digits it has is: 14
• The sum of 21355921953200's digits is 47
• More coming soon!