21347476839680

Names of 21347476839680

• Cardinal: 21347476839680 can be written as Twenty-one trillion, three hundred forty-seven billion, four hundred seventy-six million, eight hundred thirty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.134747683968 × 10¹³

Factors of 21347476839680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 387853917

Divisors of 21347476839680

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 256 320 344 430 640 688 860 1280 1376 1720 2752 3440 5504 6880 11008 13760 27520 55040 387853867 775707734 1551415468 1939269335 3102830936 3878538670 6205661872 7757077340 12411323744 15514154680 16677716281 24822647488 31028309360 33355432562 49645294976 62056618720 66710865124 83388581405 99290589952 124113237440 133421730248 166777162810 248226474880 266843460496 333554325620 496452949760 533686920992 667108651240 1067373841984 1334217302480 2134747683968 2668434604960 4269495367936 5336869209920 10673738419840 21347476839680
• Sum of all divisors σ(n): 52323038208672
• Sum of proper divisors (its aliquot sum) s(n): 30975561368992
• 21347476839680 is an abundant number, because the sum of its proper divisors (30975561368992) is greater than itself. Its abundance is 9628084529312

Bases of 21347476839680

• Binary: 100110110101001011000110001100001110100000000₂
• Hexadecimal: 0x136A58C61D00
• Base-36: 7KEW8J94W

Squares and roots of 21347476839680

• 21347476839680 squared (21347476839680²) is 455714767420674000422502400
• 21347476839680 cubed (21347476839680³) is 9728360443012996035634904518709215232000
• The square root of 21347476839680 is 4620332.9793078765
• The cube root of 21347476839680 is 27740.5787197805

Scales and comparisons

• 21,347,476,839,680 seconds is equal to 678,783 years, 38 weeks, 5 hours, 41 minutes, 20 seconds.
• To count from 1 to 21,347,476,839,680 would take you about one million, six hundred ninety-six thousand, nine hundred fifty-nine 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 21347476839680 cubic inches would be around 2311.7 feet tall.

Recreational maths with 21347476839680

• 21347476839680 backwards is 08693867474312
• The number of decimal digits it has is: 14
• The sum of 21347476839680's digits is 68
• More coming soon!