221375973

Names of 221375973

• Cardinal: 221375973 can be written as Two hundred twenty-one million, three hundred seventy-five thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 2.21375973 × 10⁸

Factors of 221375973

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 109

Divisors of 221375973

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 19 21 39 49 57 67 91 133 147 169 201 247 273 343 399 469 507 637 741 871 931 1029 1183 1273 1407 1729 1911 2613 2793 3211 3283 3549 3819 4459 5187 6097 6517 8281 8911 9633 9849 11323 12103 13377 16549 18291 19551 22477 22981 24843 26733 33969 36309 42679 49647 57967 62377 67431 68943 79261 84721 115843 128037 157339 173901 187131 215137 237783 254163 298753 347529 436639 472017 554827 645411 810901 896259 1101373 1309917 1505959 1664481 2432703 3304119 3883789 4517877 5676307 10541713 11651367 17028921 31625139 73791991 221375973
• Sum of all divisors σ(n): 398208000
• Sum of proper divisors (its aliquot sum) s(n): 176832027
• 221375973 is a deficient number, because the sum of its proper divisors (176832027) is less than itself. Its deficiency is 44543946

Bases of 221375973

• Binary: 1101001100011110110111100101₂
• Hexadecimal: 0xD31EDE5
• Base-36: 3NSUSL

Squares and roots of 221375973

• 221375973 squared (221375973²) is 49007321421696729
• 221375973 cubed (221375973³) is 10849043463851856693292317
• The square root of 221375973 is 14878.7087141325
• The cube root of 221375973 is 604.9370177817

Scales and comparisons

• 221,375,973 seconds is equal to 7 years, 2 weeks, 5 hours, 19 minutes, 33 seconds.
• To count from 1 to 221,375,973 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 221375973 cubic inches would be around 50.4 feet tall.

Recreational maths with 221375973

• 221375973 backwards is 379573122
• 221375973 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 221375973's digits is 39
• More coming soon!