11812239990

Names of 11812239990

• Cardinal: 11812239990 can be written as Eleven billion, eight hundred twelve million, two hundred thirty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.181223999 × 10¹⁰

Factors of 11812239990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3037

Divisors of 11812239990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 90 97 135 163 194 270 291 326 485 489 582 815 873 970 978 1455 1467 1630 1746 2445 2619 2767 2910 2934 4365 4401 4890 5238 5534 7335 8301 8730 8802 13095 13835 14670 15811 16602 22005 24903 26190 27670 31622 41505 44010 47433 49806 74709 79055 83010 94866 124515 142299 149418 158110 237165 249030 268399 284598 373545 426897 451021 474330 536798 711495 747090 805197 853794 902042 1341995 1353063 1422990 1610394 2134485 2255105 2415591 2683990 2706126 4025985 4059189 4268970 4510210 4831182 6765315 7246773 8051970 8118378 12077955 12177567 13530630 14493546 20295945 24155910 24355134 36233865 40591890 43749037 60887835 72467730 87498074 121775670 131247111 218745185 262494222 393741333 437490370 656235555 787482666 1181223999 1312471110 1968706665 2362447998 3937413330 5906119995 11812239990
• Sum of all divisors σ(n): 32030853120
• Sum of proper divisors (its aliquot sum) s(n): 20218613130
• 11812239990 is an abundant number, because the sum of its proper divisors (20218613130) is greater than itself. Its abundance is 8406373140

Bases of 11812239990

• Binary: 1011000000000100000111101001110110₂
• Hexadecimal: 0x2C0107A76
• Base-36: 5FCPAPI

Squares and roots of 11812239990

• 11812239990 squared (11812239990²) is 139529013581355200100
• 11812239990 cubed (11812239990³) is 1648150193990937013015671999000
• The square root of 11812239990 is 108684.1294301979
• The cube root of 11812239990 is 2277.4250188689

Scales and comparisons

• 11,812,239,990 seconds is equal to 375 years, 30 weeks, 5 days, 17 hours, 46 minutes, 30 seconds.
• To count from 1 to 11,812,239,990 would take you about seven hundred fifty-one 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 11812239990 cubic inches would be around 189.8 feet tall.

Recreational maths with 11812239990

• 11812239990 backwards is 09993221811
• 11812239990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 11812239990's digits is 45
• More coming soon!