45120146720

Names of 45120146720

• Cardinal: 45120146720 can be written as Forty-five billion, one hundred twenty million, one hundred forty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.512014672 × 10¹⁰

Factors of 45120146720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 25636465

Divisors of 45120146720

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 25636447 51272894 102545788 128182235 205091576 256364470 282000917 410183152 512728940 564001834 820366304 1025457880 1128003668 1410004585 2050915760 2256007336 2820009170 4101831520 4512014672 5640018340 9024029344 11280036680 22560073360 45120146720
• Sum of all divisors σ(n): 116286928128
• Sum of proper divisors (its aliquot sum) s(n): 71166781408
• 45120146720 is an abundant number, because the sum of its proper divisors (71166781408) is greater than itself. Its abundance is 26046634688

Bases of 45120146720

• Binary: 101010000001010111101100110100100000₂
• Hexadecimal: 0xA815ECD20
• Base-36: KQ7DC0W

Squares and roots of 45120146720

• 45120146720 squared (45120146720²) is 2035827640034326758400
• 45120146720 cubed (45120146720³) is 91856841814980169175429992448000
• The square root of 45120146720 is 212415.0341195275
• The cube root of 45120146720 is 3560.0560400217

Scales and comparisons

• 45,120,146,720 seconds is equal to 1,434 years, 35 weeks, 2 days, 22 hours, 5 minutes, 20 seconds.
• To count from 1 to 45,120,146,720 would take you about two thousand, eight hundred sixty-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 45120146720 cubic inches would be around 296.7 feet tall.

Recreational maths with 45120146720

• 45120146720 backwards is 02764102154
• 45120146720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 45120146720's digits is 32
• More coming soon!