45420840

Names of 45420840

• Cardinal: 45420840 can be written as Forty-five million, four hundred twenty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.542084 × 10⁷

Factors of 45420840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 740

Divisors of 45420840

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 281 360 449 562 843 898 1124 1347 1405 1686 1796 2245 2248 2529 2694 2810 3372 3592 4041 4215 4490 5058 5388 5620 6735 6744 8082 8430 8980 10116 10776 11240 12645 13470 16164 16860 17960 20205 20232 25290 26940 32328 33720 40410 50580 53880 80820 101160 126169 161640 252338 378507 504676 630845 757014 1009352 1135521 1261690 1514028 1892535 2271042 2523380 3028056 3785070 4542084 5046760 5677605 7570140 9084168 11355210 15140280 22710420 45420840
• Sum of all divisors σ(n): 148473000
• Sum of proper divisors (its aliquot sum) s(n): 103052160
• 45420840 is an abundant number, because the sum of its proper divisors (103052160) is greater than itself. Its abundance is 57631320

Bases of 45420840

• Binary: 10101101010001000100101000₂
• Hexadecimal: 0x2B51128
• Base-36: R1IY0

Squares and roots of 45420840

• 45420840 squared (45420840²) is 2063052706305600
• 45420840 cubed (45420840³) is 93705586884673648704000
• The square root of 45420840 is 6739.4984976627
• The cube root of 45420840 is 356.7946939963

Scales and comparisons

• 45,420,840 seconds is equal to 1 year, 23 weeks, 16 hours, 54 minutes.
• To count from 1 to 45,420,840 would take you about two 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 45420840 cubic inches would be around 29.7 feet tall.

Recreational maths with 45420840

• 45420840 backwards is 04802454
• The number of decimal digits it has is: 8
• The sum of 45420840's digits is 27
• More coming soon!