102009798990

Names of 102009798990

• Cardinal: 102009798990 can be written as One hundred two billion, nine million, seven hundred ninety-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.0200979899 × 10¹¹

Factors of 102009798990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9367312

Divisors of 102009798990

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 121 165 198 242 330 363 495 605 726 990 1089 1210 1815 2178 3630 5445 10890 9367291 18734582 28101873 46836455 56203746 84305619 93672910 103040201 140509365 168611238 206080402 281018730 309120603 421528095 515201005 618241206 843056190 927361809 1030402010 1133442211 1545603015 1854723618 2266884422 3091206030 3400326633 4636809045 5667211055 6800653266 9273618090 10200979899 11334422110 17001633165 20401959798 34003266330 51004899495 102009798990
• Sum of all divisors σ(n): 291528861624
• Sum of proper divisors (its aliquot sum) s(n): 189519062634
• 102009798990 is an abundant number, because the sum of its proper divisors (189519062634) is greater than itself. Its abundance is 87509263644

Bases of 102009798990

• Binary: 1011111000000010000100000000101001110₂
• Hexadecimal: 0x17C042014E
• Base-36: 1AV200NI

Squares and roots of 102009798990

• 102009798990 squared (102009798990²) is 10405999089980205020100
• 102009798990 cubed (102009798990³) is 1061513875459003637179389909699000
• The square root of 102009798990 is 319389.7289989145
• The cube root of 102009798990 is 4672.4783448141

Scales and comparisons

• 102,009,798,990 seconds is equal to 3,243 years, 30 weeks, 6 days, 23 hours, 16 minutes, 30 seconds.
• To count from 1 to 102,009,798,990 would take you about six thousand, four hundred eighty-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 102009798990 cubic inches would be around 389.4 feet tall.

Recreational maths with 102009798990

• 102009798990 backwards is 099897900201
• The number of decimal digits it has is: 12
• The sum of 102009798990's digits is 54
• More coming soon!