16169948991

Names of 16169948991

• Cardinal: 16169948991 can be written as Sixteen billion, one hundred sixty-nine million, nine hundred forty-eight thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.6169948991 × 10¹⁰

Factors of 16169948991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4931

Divisors of 16169948991

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 49 61 63 127 147 183 381 427 441 549 889 1143 1281 2667 2989 3843 4733 6223 7747 8001 8967 14199 18669 23241 26901 33131 42597 54229 56007 69723 99393 162687 231917 288713 298179 379603 488061 601091 695751 866139 1138809 1803273 2020991 2087253 2598417 3416427 4207637 5409819 6062973 12622911 14146937 18188919 29453459 36666551 37868733 42440811 88360377 109999653 127322433 256665857 265081131 329998959 769997571 1796660999 2309992713 5389982997 16169948991
• Sum of all divisors σ(n): 27838646784
• Sum of proper divisors (its aliquot sum) s(n): 11668697793
• 16169948991 is a deficient number, because the sum of its proper divisors (11668697793) is less than itself. Its deficiency is 4501251198

Bases of 16169948991

• Binary: 1111000011110011011101011100111111₂
• Hexadecimal: 0x3C3CDD73F
• Base-36: 7FF64HR

Squares and roots of 16169948991

• 16169948991 squared (16169948991²) is 261467250371541918081
• 16169948991 cubed (16169948991³) is 4227912101324858613388070606271
• The square root of 16169948991 is 127161.1143038625
• The cube root of 16169948991 is 2528.7324594195

Scales and comparisons

• 16,169,948,991 seconds is equal to 514 years, 8 weeks, 4 hours, 29 minutes, 51 seconds.
• To count from 1 to 16,169,948,991 would take you about one thousand and twenty-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 16169948991 cubic inches would be around 210.7 feet tall.

Recreational maths with 16169948991

• 16169948991 backwards is 19984996161
• 16169948991 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16169948991's digits is 63
• More coming soon!