30128551740

Names of 30128551740

• Cardinal: 30128551740 can be written as Thirty billion, one hundred twenty-eight million, five hundred fifty-one thousand, seven hundred forty.

Scientific notation

• Scientific notation: 3.012855174 × 10¹⁰

Factors of 30128551740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 23911566

Divisors of 30128551740

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 23911549 47823098 71734647 95646196 119557745 143469294 167380843 215203941 239115490 286938588 334761686 358673235 430407882 478230980 502142529 669523372 717346470 836904215 860815764 1004285058 1076019705 1434692940 1506427587 1673808430 2008570116 2152039410 2510712645 3012855174 3347616860 4304078820 5021425290 6025710348 7532137935 10042850580 15064275870 30128551740
• Sum of all divisors σ(n): 104445650400
• Sum of proper divisors (its aliquot sum) s(n): 74317098660
• 30128551740 is an abundant number, because the sum of its proper divisors (74317098660) is greater than itself. Its abundance is 44188546920

Bases of 30128551740

• Binary: 11100000011110011010011011100111100₂
• Hexadecimal: 0x703CD373C
• Base-36: DU9RFB0

Squares and roots of 30128551740

• 30128551740 squared (30128551740²) is 907729629949857027600
• 30128551740 cubed (30128551740³) is 27348579121875321061649208024000
• The square root of 30128551740 is 173575.7809718855
• The cube root of 30128551740 is 3111.6644054891

Scales and comparisons

• 30,128,551,740 seconds is equal to 957 years, 51 weeks, 5 days, 2 hours, 9 minutes.
• To count from 1 to 30,128,551,740 would take you about one thousand, nine hundred fifteen 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 30128551740 cubic inches would be around 259.3 feet tall.

Recreational maths with 30128551740

• 30128551740 backwards is 04715582103
• 30128551740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30128551740's digits is 36
• More coming soon!