21379562841

Names of 21379562841

• Cardinal: 21379562841 can be written as Twenty-one billion, three hundred seventy-nine million, five hundred sixty-two thousand, eight hundred forty-one.

Scientific notation

• Scientific notation: 2.1379562841 × 10¹⁰

Factors of 21379562841

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 216

Divisors of 21379562841

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 21 39 49 91 147 169 193 273 343 507 579 637 1029 1183 1351 1911 2197 2401 2509 3549 4053 4459 6591 7203 7527 8281 9457 13377 15379 16807 17563 24843 28371 31213 32617 46137 50421 52689 57967 66199 93639 97851 107653 122941 173901 198597 218491 228319 322959 368823 405769 424021 463393 655473 684957 753571 860587 1217307 1272063 1390179 1598233 2260713 2581761 2840383 2968147 3243751 4794699 5274997 6024109 8521149 8904441 9731253 11187631 15824991 18072327 20777029 33562893 36924979 42168763 62331087 78313417 110774937 126506289 145439203 234940251 436317609 548193919 1018074421 1644581757 3054223263 7126520947 21379562841
• Sum of all divisors σ(n): 36213623040
• Sum of proper divisors (its aliquot sum) s(n): 14834060199
• 21379562841 is a deficient number, because the sum of its proper divisors (14834060199) is less than itself. Its deficiency is 6545502642

Bases of 21379562841

• Binary: 10011111010010100100011110101011001₂
• Hexadecimal: 0x4FA523D59
• Base-36: 9TKU89L

Squares and roots of 21379562841

• 21379562841 squared (21379562841²) is 457085707272267991281
• 21379562841 cubed (21379562841³) is 9772292602350384216184979589321
• The square root of 21379562841 is 146217.5189264267
• The cube root of 21379562841 is 2775.4470114403

Scales and comparisons

• 21,379,562,841 seconds is equal to 679 years, 41 weeks, 5 days, 15 hours, 27 minutes, 21 seconds.
• To count from 1 to 21,379,562,841 would take you about one thousand, three 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 21379562841 cubic inches would be around 231.3 feet tall.

Recreational maths with 21379562841

• 21379562841 backwards is 14826597312
• The number of decimal digits it has is: 11
• The sum of 21379562841's digits is 48
• More coming soon!