30991162368

Names of 30991162368

• Cardinal: 30991162368 can be written as Thirty billion, nine hundred ninety-one million, one hundred sixty-two thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0991162368 × 10¹⁰

Factors of 30991162368

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 73779

Divisors of 30991162368

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 137 192 256 274 384 411 512 548 768 822 1024 1096 1536 1644 2192 3072 3288 4384 6576 8768 13152 17536 26304 35072 52608 70144 73637 105216 140288 147274 210432 220911 294548 420864 441822 589096 883644 1178192 1767288 2356384 3534576 4712768 7069152 9425536 10088269 14138304 18851072 20176538 28276608 30264807 37702144 40353076 56553216 60529614 75404288 80706152 113106432 121059228 161412304 226212864 242118456 322824608 484236912 645649216 968473824 1291298432 1936947648 2582596864 3873895296 5165193728 7747790592 10330387456 15495581184 30991162368
• Sum of all divisors σ(n): 83206816272
• Sum of proper divisors (its aliquot sum) s(n): 52215653904
• 30991162368 is an abundant number, because the sum of its proper divisors (52215653904) is greater than itself. Its abundance is 21224491536

Bases of 30991162368

• Binary: 11100110111001101111001110000000000₂
• Hexadecimal: 0x737379C00
• Base-36: E8JC5XC

Squares and roots of 30991162368

• 30991162368 squared (30991162368²) is 960452144919739367424
• 30991162368 cubed (30991162368³) is 29765528369901509064078793900032
• The square root of 30991162368 is 176043.0696392221
• The cube root of 30991162368 is 3141.0821039527

Scales and comparisons

• 30,991,162,368 seconds is equal to 985 years, 22 weeks, 12 minutes, 48 seconds.
• To count from 1 to 30,991,162,368 would take you about one thousand, nine hundred seventy 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 30991162368 cubic inches would be around 261.8 feet tall.

Recreational maths with 30991162368

• 30991162368 backwards is 86326119903
• 30991162368 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30991162368's digits is 48
• More coming soon!