188128941

Names of 188128941

• Cardinal: 188128941 can be written as One hundred eighty-eight million, one hundred twenty-eight thousand, nine hundred forty-one.

Scientific notation

• Scientific notation: 1.88128941 × 10⁸

Factors of 188128941

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 174

Divisors of 188128941

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 11 13 21 33 39 61 77 79 91 143 169 183 231 237 273 427 429 507 553 671 793 869 1001 1027 1183 1281 1659 1859 2013 2379 2607 3003 3081 3549 4697 4819 5551 5577 6083 7189 8723 10309 11297 13013 13351 14091 14457 16653 18249 21567 26169 30927 33733 33891 39039 40053 53009 61061 62647 72163 79079 93457 101199 113399 146861 159027 183183 187941 216489 237237 280371 340197 371063 438529 440583 689117 793793 814411 1028027 1113189 1315587 2067351 2381379 2443233 3084081 4823819 5700877 8958521 14471457 17102631 26875563 62709647 188128941
• Sum of all divisors σ(n): 348549120
• Sum of proper divisors (its aliquot sum) s(n): 160420179
• 188128941 is a deficient number, because the sum of its proper divisors (160420179) is less than itself. Its deficiency is 27708762

Bases of 188128941

• Binary: 1011001101101001111010101101₂
• Hexadecimal: 0xB369EAD
• Base-36: 34097X

Squares and roots of 188128941

• 188128941 squared (188128941²) is 35392498441781481
• 188128941 cubed (188128941³) is 6658353251196500173941621
• The square root of 188128941 is 13716.0103893223
• The cube root of 188128941 is 572.9963694723

Scales and comparisons

• 188,128,941 seconds is equal to 5 years, 51 weeks, 10 hours, 2 minutes, 21 seconds.
• To count from 1 to 188,128,941 would take you about eight 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 188128941 cubic inches would be around 47.7 feet tall.

Recreational maths with 188128941

• 188128941 backwards is 149821881
• The number of decimal digits it has is: 9
• The sum of 188128941's digits is 42
• More coming soon!