21394668099120

Names of 21394668099120

• Cardinal: 21394668099120 can be written as Twenty-one trillion, three hundred ninety-four billion, six hundred sixty-eight million, ninety-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.139466809912 × 10¹³

Factors of 21394668099120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1461384504

Divisors of 21394668099120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 61 80 120 122 183 240 244 305 366 488 610 732 915 976 1220 1464 1830 2440 2928 3660 4880 7320 14640 1461384433 2922768866 4384153299 5845537732 7306922165 8768306598 11691075464 14613844330 17536613196 21920766495 23382150928 29227688660 35073226392 43841532990 58455377320 70146452784 87683065980 89144450413 116910754640 175366131960 178288900826 267433351239 350732263920 356577801652 445722252065 534866702478 713155603304 891444504130 1069733404956 1337166756195 1426311206608 1782889008260 2139466809912 2674333512390 3565778016520 4278933619824 5348667024780 7131556033040 10697334049560 21394668099120
• Sum of all divisors σ(n): 67410741171552
• Sum of proper divisors (its aliquot sum) s(n): 46016073072432
• 21394668099120 is an abundant number, because the sum of its proper divisors (46016073072432) is greater than itself. Its abundance is 24621404973312

Bases of 21394668099120

• Binary: 100110111010101010101100101111001011000110000₂
• Hexadecimal: 0x137555979630
• Base-36: 7L0KOZPYO

Squares and roots of 21394668099120

• 21394668099120 squared (21394668099120²) is 457731823071502994144774400
• 21394668099120 cubed (21394668099120³) is 9793020433019925123580769002529238528000
• The square root of 21394668099120 is 4625437.0711447367
• The cube root of 21394668099120 is 27761.0050116521

Scales and comparisons

• 21,394,668,099,120 seconds is equal to 680,284 years, 13 weeks, 6 days, 8 hours, 52 minutes.
• To count from 1 to 21,394,668,099,120 would take you about one million, seven hundred thousand, seven hundred ten 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 21394668099120 cubic inches would be around 2313.4 feet tall.

Recreational maths with 21394668099120

• 21394668099120 backwards is 02199086649312
• 21394668099120 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21394668099120's digits is 60
• More coming soon!