4989991090

Names of 4989991090

• Cardinal: 4989991090 can be written as Four billion, nine hundred eighty-nine million, nine hundred ninety-one thousand and ninety.

Scientific notation

• Scientific notation: 4.98999109 × 10⁹

Factors of 4989991090

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 580

Divisors of 4989991090

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 5 7 10 14 19 35 38 70 95 133 190 266 361 547 665 722 1094 1330 1805 2527 2735 3610 3829 5054 5470 6859 7658 10393 12635 13718 19145 20786 25270 34295 38290 48013 51965 68590 72751 96026 103930 130321 145502 197467 240065 260642 363755 394934 480130 651605 727510 912247 987335 1303210 1382269 1824494 1974670 2764538 3751873 4561235 6911345 7503746 9122470 13822690 18759365 26263111 37518730 52526222 71285587 131315555 142571174 262631110 356427935 498999109 712855870 997998218 2494995545 4989991090
• Sum of all divisors σ(n): 10855213632
• Sum of proper divisors (its aliquot sum) s(n): 5865222542
• 4989991090 is an abundant number, because the sum of its proper divisors (5865222542) is greater than itself. Its abundance is 875231452

Bases of 4989991090

• Binary: 100101001011011010011100010110010₂
• Hexadecimal: 0x1296D38B2
• Base-36: 2AIWTRM

Squares and roots of 4989991090

• 4989991090 squared (4989991090²) is 24900011078279388100
• 4989991090 cubed (4989991090³) is 124250833421515439149652029000
• The square root of 4989991090 is 70639.8689834573
• The cube root of 4989991090 is 1708.8341847945

Scales and comparisons

• 4,989,991,090 seconds is equal to 158 years, 34 weeks, 4 days, 12 hours, 38 minutes, 10 seconds.
• To count from 1 to 4,989,991,090 would take you about three hundred seventeen 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 4989991090 cubic inches would be around 142.4 feet tall.

Recreational maths with 4989991090

• 4989991090 backwards is 0901999894
• The number of decimal digits it has is: 10
• The sum of 4989991090's digits is 58
• More coming soon!