21348346172

Names of 21348346172

• Cardinal: 21348346172 can be written as Twenty-one billion, three hundred forty-eight million, three hundred forty-six thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1348346172 × 10¹⁰

Factors of 21348346172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 825

Divisors of 21348346172

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 23 29 46 58 71 92 116 142 251 284 449 502 667 898 1004 1334 1633 1796 2059 2668 3266 4118 5773 6532 7279 8236 10327 11546 13021 14558 17821 20654 23092 26042 29116 31879 35642 41308 47357 52084 63758 71284 94714 112699 127516 167417 189428 225398 299483 334834 409883 450796 516809 598966 669668 733217 819766 924491 1033618 1197932 1466434 1639532 1848982 2067236 2592077 2932868 3268271 3697964 5184154 6536542 8001629 10368308 11886607 13073084 16003258 21263293 23773214 32006516 42526586 47546428 75170233 85053172 150340466 184037467 232047241 300680932 368074934 464094482 736149868 928188964 5337086543 10674173086 21348346172
• Sum of all divisors σ(n): 41150592000
• Sum of proper divisors (its aliquot sum) s(n): 19802245828
• 21348346172 is a deficient number, because the sum of its proper divisors (19802245828) is less than itself. Its deficiency is 1546100344

Bases of 21348346172

• Binary: 10011111000011101011110100100111100₂
• Hexadecimal: 0x4F875E93C
• Base-36: 9T295BW

Squares and roots of 21348346172

• 21348346172 squared (21348346172²) is 455751884279547053584
• 21348346172 cubed (21348346172³) is 9729548994141055319273865280448
• The square root of 21348346172 is 146110.7325695139
• The cube root of 21348346172 is 2774.0955274109

Scales and comparisons

• 21,348,346,172 seconds is equal to 678 years, 42 weeks, 1 day, 8 hours, 9 minutes, 32 seconds.
• To count from 1 to 21,348,346,172 would take you about one thousand, three hundred fifty-seven 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 21348346172 cubic inches would be around 231.2 feet tall.

Recreational maths with 21348346172

• 21348346172 backwards is 27164384312
• The number of decimal digits it has is: 11
• The sum of 21348346172's digits is 41
• More coming soon!