21390571231400

Names of 21390571231400

• Cardinal: 21390571231400 can be written as Twenty-one trillion, three hundred ninety billion, five hundred seventy-one million, two hundred thirty-one thousand, four hundred.

Scientific notation

• Scientific notation: 2.13905712314 × 10¹³

Factors of 21390571231400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5300

Divisors of 21390571231400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 739 1400 1478 2956 3695 4547 5173 5912 7390 9094 10346 14780 18188 18475 20692 22735 25865 29560 31829 36376 36950 41384 45470 51730 63658 73900 90940 103460 113675 127316 129325 147800 159145 181880 206920 227350 254632 258650 318290 454700 517300 636580 795725 909400 1034600 1273160 1591450 3182900 3360233 6365800 6720466 13440932 16801165 20675209 23521631 26881864 33602330 41350418 47043262 67204660 82700836 84005825 94086524 103376045 117608155 134409320 144726463 165401672 168011650 188173048 206752090 235216310 289452926 336023300 413504180 470432620 516880225 578905852 588040775 672046600 723632315 827008360 940865240 1033760450 1157811704 1176081550 1447264630 2067520900 2352163100 2894529260 3618161575 4135041800 4704326200 5789058520 7236323150 14472646300 15278979451 28945292600 30557958902 61115917804 76394897255 106952856157 122231835608 152789794510 213905712314 305579589020 381974486275 427811424628 534764280785 611159178040 763948972550 855622849256 1069528561570 1527897945100 2139057123140 2673821403925 3055795890200 4278114246280 5347642807850 10695285615700 21390571231400
• Sum of all divisors σ(n): 56927235069600
• Sum of proper divisors (its aliquot sum) s(n): 35536663838200
• 21390571231400 is an abundant number, because the sum of its proper divisors (35536663838200) is greater than itself. Its abundance is 14146092606800

Bases of 21390571231400

• Binary: 100110111010001100001011001100101100010101000₂
• Hexadecimal: 0x1374616658A8
• Base-36: 7KYOXTMLK

Squares and roots of 21390571231400

• 21390571231400 squared (21390571231400²) is 457556537605597312345960000
• 21390571231400 cubed (21390571231400³) is 9787395710045282109080652020015144000000
• The square root of 21390571231400 is 4624994.1871747255
• The cube root of 21390571231400 is 27759.2329124053

Scales and comparisons

• 21,390,571,231,400 seconds is equal to 680,153 years, 51 weeks, 6 days, 22 hours, 3 minutes, 20 seconds.
• To count from 1 to 21,390,571,231,400 would take you about one million, seven hundred thousand, three hundred eighty-four 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 21390571231400 cubic inches would be around 2313.3 feet tall.

Recreational maths with 21390571231400

• 21390571231400 backwards is 00413217509312
• The number of decimal digits it has is: 14
• The sum of 21390571231400's digits is 38
• More coming soon!