16121793690

Names of 16121793690

• Cardinal: 16121793690 can be written as Sixteen billion, one hundred twenty-one million, seven hundred ninety-three thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.612179369 × 10¹⁰

Factors of 16121793690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6446

Divisors of 16121793690

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 1289 2430 2578 3867 5147 6445 7734 10294 11601 12890 15441 19335 23202 25735 30882 34803 38670 46323 51470 58005 69606 77205 92646 104409 116010 138969 154410 174015 208818 231615 277938 313227 348030 416907 463230 522045 626454 694845 833814 1044090 1250721 1389690 1566135 2084535 2501442 3132270 4169070 6253605 6634483 12507210 13268966 19903449 33172415 39806898 59710347 66344830 99517245 119420694 179131041 199034490 298551735 358262082 537393123 597103470 895655205 1074786246 1612179369 1791310410 2686965615 3224358738 5373931230 8060896845 16121793690
• Sum of all divisors σ(n): 43511307840
• Sum of proper divisors (its aliquot sum) s(n): 27389514150
• 16121793690 is an abundant number, because the sum of its proper divisors (27389514150) is greater than itself. Its abundance is 11267720460

Bases of 16121793690

• Binary: 1111000000111011110000110010011010₂
• Hexadecimal: 0x3C0EF0C9A
• Base-36: 7EMHZMI

Squares and roots of 16121793690

• 16121793690 squared (16121793690²) is 259912231782923816100
• 16121793690 cubed (16121793690³) is 4190251378311758628151700409000
• The square root of 16121793690 is 126971.6255310611
• The cube root of 16121793690 is 2526.2197127791

Scales and comparisons

• 16,121,793,690 seconds is equal to 512 years, 32 weeks, 2 days, 20 hours, 1 minute, 30 seconds.
• To count from 1 to 16,121,793,690 would take you about one thousand and twenty-five 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 16121793690 cubic inches would be around 210.5 feet tall.

Recreational maths with 16121793690

• 16121793690 backwards is 09639712161
• 16121793690 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16121793690's digits is 45
• More coming soon!