100900001839

Names of 100900001839

• Cardinal: 100900001839 can be written as One hundred billion, nine hundred million, one thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.00900001839 × 10¹¹

Factors of 100900001839

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 460

Divisors of 100900001839

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 31 49 91 169 217 403 409 637 961 1183 1519 2821 2863 5239 5317 6727 8281 12493 12679 19747 20041 29791 36673 37219 47089 69121 87451 88753 162409 164827 208537 256711 260533 387283 393049 483847 612157 621271 1136863 1153789 1459759 2142751 2710981 2751343 3386929 5034679 5109637 7958041 8076523 12184519 14999257 18976867 19259401 35242753 35767459 66425281 85291633 104994799 158398747 246699271 250372213 464976967 597041431 1108791229 2059183711 3254838769 7761538603 14414285977 100900001839
• Sum of all divisors σ(n): 131654240640
• Sum of proper divisors (its aliquot sum) s(n): 30754238801
• 100900001839 is a deficient number, because the sum of its proper divisors (30754238801) is less than itself. Its deficiency is 70145763038

Bases of 100900001839

• Binary: 1011101111110000110111101100000101111₂
• Hexadecimal: 0x177E1BD82F
• Base-36: 1ACP97OV

Squares and roots of 100900001839

• 100900001839 squared (100900001839²) is 10180810371110203381921
• 100900001839 cubed (100900001839³) is 1027243785167529793707492919352719
• The square root of 100900001839 is 317647.6063800891
• The cube root of 100900001839 is 4655.4720617241

Scales and comparisons

• 100,900,001,839 seconds is equal to 3,208 years, 16 weeks, 2 hours, 17 minutes, 19 seconds.
• To count from 1 to 100,900,001,839 would take you about six thousand, four hundred sixteen 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 100900001839 cubic inches would be around 388 feet tall.

Recreational maths with 100900001839

• 100900001839 backwards is 938100009001
• 100900001839 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 100900001839's digits is 31
• More coming soon!