161168007

Names of 161168007

• Cardinal: 161168007 can be written as One hundred sixty-one million, one hundred sixty-eight thousand and seven.

Scientific notation

• Scientific notation: 1.61168007 × 10⁸

Factors of 161168007

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 92

Divisors of 161168007

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 11 13 17 21 33 39 41 49 51 77 91 119 121 123 143 147 187 221 231 273 287 357 363 429 451 533 539 561 637 663 697 833 847 861 1001 1309 1353 1547 1573 1599 1617 1911 2009 2057 2091 2431 2499 2541 3003 3157 3731 3927 4641 4719 4879 4961 5863 5929 6027 6171 7007 7293 7667 9061 9163 9471 10829 11011 11193 14399 14637 14883 17017 17589 17787 21021 22099 23001 26117 26741 27183 27489 32487 33033 34153 34727 41041 43197 51051 53669 63427 64493 66297 77077 78351 80223 84337 99671 100793 102459 104181 119119 123123 161007 187187 190281 193479 231231 243089 253011 287287 299013 302379 357357 375683 443989 451451 561561 590359 697697 729267 861861 1096381 1127049 1310309 1331967 1354353 1771077 2093091 3160157 3289143 3930927 4132513 4883879 7674667 9480471 12397539 14651637 23024001 53722669 161168007
• Sum of all divisors σ(n): 320949216
• Sum of proper divisors (its aliquot sum) s(n): 159781209
• 161168007 is a deficient number, because the sum of its proper divisors (159781209) is less than itself. Its deficiency is 1386798

Bases of 161168007

• Binary: 1001100110110011101010000111₂
• Hexadecimal: 0x99B3A87
• Base-36: 2NYE13

Squares and roots of 161168007

• 161168007 squared (161168007²) is 25975126480352049
• 161168007 cubed (161168007³) is 4186359366411264395696343
• The square root of 161168007 is 12695.1962174675
• The cube root of 161168007 is 544.2013462709

Scales and comparisons

• 161,168,007 seconds is equal to 5 years, 6 weeks, 3 days, 8 hours, 53 minutes, 27 seconds.
• To count from 1 to 161,168,007 would take you about 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 161168007 cubic inches would be around 45.4 feet tall.

Recreational maths with 161168007

• 161168007 backwards is 700861161
• The number of decimal digits it has is: 9
• The sum of 161168007's digits is 30
• More coming soon!