221071968

Names of 221071968

• Cardinal: 221071968 can be written as Two hundred twenty-one million, seventy-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.21071968 × 10⁸

Factors of 221071968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 586

Divisors of 221071968

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 137 144 156 208 234 274 288 312 411 416 431 468 548 624 822 862 936 1096 1233 1248 1293 1644 1724 1781 1872 2192 2466 2586 3288 3448 3562 3744 3879 4384 4932 5172 5343 5603 6576 6896 7124 7758 9864 10344 10686 11206 13152 13792 14248 15516 16029 16809 19728 20688 21372 22412 28496 31032 32058 33618 39456 41376 42744 44824 50427 56992 59047 62064 64116 67236 85488 89648 100854 118094 124128 128232 134472 170976 177141 179296 201708 236188 256464 268944 354282 403416 472376 512928 531423 537888 708564 767611 806832 944752 1062846 1417128 1535222 1613664 1889504 2125692 2302833 2834256 3070444 4251384 4605666 5668512 6140888 6908499 8502768 9211332 12281776 13816998 17005536 18422664 24563552 27633996 36845328 55267992 73690656 110535984 221071968
• Sum of all divisors σ(n): 683557056
• Sum of proper divisors (its aliquot sum) s(n): 462485088
• 221071968 is an abundant number, because the sum of its proper divisors (462485088) is greater than itself. Its abundance is 241413120

Bases of 221071968

• Binary: 1101001011010100101001100000₂
• Hexadecimal: 0xD2D4A60
• Base-36: 3NMC80

Squares and roots of 221071968

• 221071968 squared (221071968²) is 48872815035393024
• 221071968 cubed (221071968³) is 10804409401574325469151232
• The square root of 221071968 is 14868.4890960717
• The cube root of 221071968 is 604.6599806037

Scales and comparisons

• 221,071,968 seconds is equal to 7 years, 1 week, 3 days, 16 hours, 52 minutes, 48 seconds.
• To count from 1 to 221,071,968 would take you about 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 221071968 cubic inches would be around 50.4 feet tall.

Recreational maths with 221071968

• 221071968 backwards is 869170122
• 221071968 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 221071968's digits is 36
• More coming soon!