31430385180

Names of 31430385180

• Cardinal: 31430385180 can be written as Thirty-one billion, four hundred thirty million, three hundred eighty-five thousand, one hundred eighty.

Scientific notation

• Scientific notation: 3.143038518 × 10¹⁰

Factors of 31430385180

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 58204427

Divisors of 31430385180

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 58204417 116408834 174613251 232817668 291022085 349226502 523839753 582044170 698453004 873066255 1047679506 1164088340 1571519259 1746132510 2095359012 2619198765 3143038518 3492265020 5238397530 6286077036 7857596295 10476795060 15715192590 31430385180
• Sum of all divisors σ(n): 97783422240
• Sum of proper divisors (its aliquot sum) s(n): 66353037060
• 31430385180 is an abundant number, because the sum of its proper divisors (66353037060) is greater than itself. Its abundance is 34922651880

Bases of 31430385180

• Binary: 11101010001011001011001111000011100₂
• Hexadecimal: 0x751659E1C
• Base-36: EFSU8F0

Squares and roots of 31430385180

• 31430385180 squared (31430385180²) is 987869112563163632400
• 31430385180 cubed (31430385180³) is 31049106715285010045699927832000
• The square root of 31430385180 is 177286.1674807147
• The cube root of 31430385180 is 3155.8515630861

Scales and comparisons

• 31,430,385,180 seconds is equal to 999 years, 20 weeks, 1 day, 14 hours, 33 minutes.
• To count from 1 to 31,430,385,180 would take you about one thousand, nine hundred ninety-eight 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 31430385180 cubic inches would be around 263 feet tall.

Recreational maths with 31430385180

• 31430385180 backwards is 08158303413
• 31430385180 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31430385180's digits is 36
• More coming soon!