21308157344400

Names of 21308157344400

• Cardinal: 21308157344400 can be written as Twenty-one trillion, three hundred eight billion, one hundred fifty-seven million, three hundred forty-four thousand, four hundred.

Scientific notation

• Scientific notation: 2.13081573444 × 10¹³

Factors of 21308157344400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 215567

Divisors of 21308157344400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 97 100 120 150 194 200 240 291 300 388 400 485 582 600 776 853 970 1164 1200 1455 1552 1706 1940 2328 2425 2559 2910 3412 3880 4265 4656 4850 5118 5820 6824 7275 7760 8530 9700 10236 11640 12795 13648 14550 17060 19400 20472 21325 23280 25590 29100 34120 38800 40944 42650 51180 58200 63975 68240 82741 85300 102360 116400 127950 165482 170600 204720 214607 248223 255900 330964 341200 413705 429214 496446 511800 643821 661928 827410 858428 992892 1023600 1073035 1241115 1287642 1323856 1654820 1716856 1985784 2068525 2146070 2482230 2575284 3219105 3309640 3433712 3971568 4137050 4292140 4964460 5150568 5365175 6205575 6438210 6619280 8274100 8584280 9928920 10301136 10730350 12411150 12876420 16095525 16548200 17168560 19857840 20816879 21460700 24822300 25752840 32191050 33096400 41633758 42921400 49644600 51505680 62450637 64382100 83267516 85842800 99289200 104084395 124901274 128764200 166535032 183059771 208168790 249802548 257528400 312253185 333070064 366119542 416337580 499605096 520421975 549179313 624506370 732239084 832675160 915298855 999210192 1040843950 1098358626 1249012740 1464478168 1561265925 1665350320 1830597710 2081687900 2196717252 2498025480 2745896565 2928956336 3122531850 3661195420 4163375800 4393434504 4576494275 4996050960 5491793130 6245063700 7322390840 8326751600 8786869008 9152988550 10983586260 12490127400 13729482825 14644781680 17756797787 18305977100 21967172520 24980254800 27458965650 35513595574 36611954200 43934345040 53270393361 54917931300 71027191148 73223908400 88783988935 106540786722 109835862600 142054382296 177567977870 213081573444 219671725200 266351966805 284108764592 355135955740 426163146888 443919944675 532703933610 710271911480 852326293776 887839889350 1065407867220 1331759834025 1420543822960 1775679778700 2130815734440 2663519668050 3551359557400 4261631468880 5327039336100 7102719114800 10654078672200 21308157344400
• Sum of all divisors σ(n): 69041979197184
• Sum of proper divisors (its aliquot sum) s(n): 47733821852784
• 21308157344400 is an abundant number, because the sum of its proper divisors (47733821852784) is greater than itself. Its abundance is 26425664508384

Bases of 21308157344400

• Binary: 100110110000100110001001001100011101010010000₂
• Hexadecimal: 0x136131263A90
• Base-36: 7JWTYQ0EO

Squares and roots of 21308157344400

• 21308157344400 squared (21308157344400²) is 454037569413707660211360000
• 21308157344400 cubed (21308157344400³) is 9674703969336219681967230240312384000000
• The square root of 21308157344400 is 4616075.9682223601
• The cube root of 21308157344400 is 27723.5366446201

Scales and comparisons

• 21,308,157,344,400 seconds is equal to 677,533 years, 25 weeks, 4 days, 11 hours, 40 minutes.
• To count from 1 to 21,308,157,344,400 would take you about one million, six hundred ninety-three thousand, eight hundred thirty-three 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 21308157344400 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21308157344400

• 21308157344400 backwards is 00444375180312
• The number of decimal digits it has is: 14
• The sum of 21308157344400's digits is 42
• More coming soon!