21207412994408

Names of 21207412994408

• Cardinal: 21207412994408 can be written as Twenty-one trillion, two hundred seven billion, four hundred twelve million, nine hundred ninety-four thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1207412994408 × 10¹³

Factors of 21207412994408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5031

Divisors of 21207412994408

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 17 34 68 79 136 158 316 409 632 818 1343 1636 1723 2686 2801 3272 3446 5372 5602 6892 6953 10744 11204 13784 13906 22408 27812 29291 32311 47617 55624 58582 64622 95234 117164 129244 136117 190468 221279 234328 258488 272234 380936 442558 544468 549287 704707 885116 1088936 1098574 1145609 1409414 1770232 2197148 2291218 2313989 2818828 3761743 4394296 4582436 4627978 4826123 5637656 7523486 9164872 9255956 9652246 11980019 15046972 18511912 19304492 19475353 23960038 30093944 38608984 38950706 47920076 55671853 77901412 82044091 90503111 95840152 111343706 155802824 164088182 181006222 222687412 328176364 362012444 381263717 445374824 656352728 724024888 762527434 946421501 1525054868 1538552887 1892843002 1973884307 3050109736 3077105774 3785686004 3947768614 6154211548 6481483189 7571372008 7895537228 12308423096 12962966378 15791074456 25925932756 33556033219 51851865512 67112066438 134224132876 155936860253 268448265752 311873720506 623747441012 1247494882024 2650926624301 5301853248602 10603706497204 21207412994408
• Sum of all divisors σ(n): 42780218688000
• Sum of proper divisors (its aliquot sum) s(n): 21572805693592
• 21207412994408 is an abundant number, because the sum of its proper divisors (21572805693592) is greater than itself. Its abundance is 365392699184

Bases of 21207412994408

• Binary: 100110100100110111100010100010111000101101000₂
• Hexadecimal: 0x1349BC517168
• Base-36: 7IMJU4YG8

Squares and roots of 21207412994408

• 21207412994408 squared (21207412994408²) is 449754365915385293039270464
• 21207412994408 cubed (21207412994408³) is 9538126584005672549410999390074031565312
• The square root of 21207412994408 is 4605150.7026815093
• The cube root of 21207412994408 is 27679.7755792119

Scales and comparisons

• 21,207,412,994,408 seconds is equal to 674,330 years, 6 weeks, 6 days, 22 hours, 8 seconds.
• To count from 1 to 21,207,412,994,408 would take you about one million, six hundred eighty-five thousand, eight hundred twenty-five 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 21207412994408 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21207412994408

• 21207412994408 backwards is 80449921470212
• The number of decimal digits it has is: 14
• The sum of 21207412994408's digits is 53
• More coming soon!