389648940420

Names of 389648940420

• Cardinal: 389648940420 can be written as Three hundred eighty-nine billion, six hundred forty-eight million, nine hundred forty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.8964894042 × 10¹¹

Factors of 389648940420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6437242

Divisors of 389648940420

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 1009 2018 3027 4036 5045 6054 10090 12108 15135 20180 30270 60540 6436223 12872446 19308669 25744892 32181115 38617338 64362230 77234676 96543345 128724460 193086690 386173380 6494149007 12988298014 19482447021 25976596028 32470745035 38964894042 64941490070 77929788084 97412235105 129882980140 194824470210 389648940420
• Sum of all divisors σ(n): 1092098488320
• Sum of proper divisors (its aliquot sum) s(n): 702449547900
• 389648940420 is an abundant number, because the sum of its proper divisors (702449547900) is greater than itself. Its abundance is 312800607480

Bases of 389648940420

• Binary: 101101010111000111000101111110110000100₂
• Hexadecimal: 0x5AB8E2FD84
• Base-36: 4Z02X2MC

Squares and roots of 389648940420

• 389648940420 squared (389648940420²) is 151826296770428709776400
• 389648940420 cubed (389648940420³) is 59158955664490014753521955122088000
• The square root of 389648940420 is 624218.6639471779
• The cube root of 389648940420 is 7303.9507008339

Scales and comparisons

• 389,648,940,420 seconds is equal to 12,389 years, 32 weeks, 5 days, 16 hours, 47 minutes.
• To count from 1 to 389,648,940,420 would take you about twenty-four thousand, seven hundred seventy-nine 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 389648940420 cubic inches would be around 608.7 feet tall.

Recreational maths with 389648940420

• 389648940420 backwards is 024049846983
• The number of decimal digits it has is: 12
• The sum of 389648940420's digits is 57
• More coming soon!