30991684998

Names of 30991684998

• Cardinal: 30991684998 can be written as Thirty billion, nine hundred ninety-one million, six hundred eighty-four thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 3.0991684998 × 10¹⁰

Factors of 30991684998

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4437

Divisors of 30991684998

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 17 34 51 102 257 307 514 614 771 921 1542 1842 3851 4369 5219 7702 8738 10438 11553 13107 15657 23106 26214 31314 65467 78899 130934 157798 196401 236697 392802 473394 989707 1182257 1341283 1979414 2364514 2682566 2969121 3546771 4023849 5938242 7093542 8047698 16825019 20098369 33650038 40196738 50475057 60295107 100950114 120590214 303840049 607680098 911520147 1823040294 5165280833 10330561666 15495842499 30991684998
• Sum of all divisors σ(n): 66116590848
• Sum of proper divisors (its aliquot sum) s(n): 35124905850
• 30991684998 is an abundant number, because the sum of its proper divisors (35124905850) is greater than itself. Its abundance is 4133220852

Bases of 30991684998

• Binary: 11100110111001111111001010110000110₂
• Hexadecimal: 0x7373F9586
• Base-36: E8JND6U

Squares and roots of 30991684998

• 30991684998 squared (30991684998²) is 960484539015258260004
• 30991684998 cubed (30991684998³) is 29767034278610125109661550219992
• The square root of 30991684998 is 176044.5540140337
• The cube root of 30991684998 is 3141.0997607553

Scales and comparisons

• 30,991,684,998 seconds is equal to 985 years, 22 weeks, 6 days, 1 hour, 23 minutes, 18 seconds.
• To count from 1 to 30,991,684,998 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 30991684998 cubic inches would be around 261.8 feet tall.

Recreational maths with 30991684998

• 30991684998 backwards is 89948619903
• The number of decimal digits it has is: 11
• The sum of 30991684998's digits is 66
• More coming soon!