12399125490

Names of 12399125490

• Cardinal: 12399125490 can be written as Twelve billion, three hundred ninety-nine million, one hundred twenty-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.239912549 × 10¹⁰

Factors of 12399125490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1481418

Divisors of 12399125490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 90 93 135 155 186 270 279 310 465 558 837 930 1395 1674 2790 4185 8370 1481377 2962754 4444131 7406885 8888262 13332393 14813770 22220655 26664786 39997179 44441310 45922687 66661965 79994358 91845374 133323930 137768061 199985895 229613435 275536122 399971790 413304183 459226870 688840305 826608366 1239912549 1377680610 2066520915 2479825098 4133041830 6199562745 12399125490
• Sum of all divisors σ(n): 34130949120
• Sum of proper divisors (its aliquot sum) s(n): 21731823630
• 12399125490 is an abundant number, because the sum of its proper divisors (21731823630) is greater than itself. Its abundance is 9332698140

Bases of 12399125490

• Binary: 1011100011000010111010001111110010₂
• Hexadecimal: 0x2E30BA3F2
• Base-36: 5P24AGI

Squares and roots of 12399125490

• 12399125490 squared (12399125490²) is 153738312916767740100
• 12399125490 cubed (12399125490³) is 1906220634475891134683605149000
• The square root of 12399125490 is 111351.3605215491
• The cube root of 12399125490 is 2314.5346411157

Scales and comparisons

• 12,399,125,490 seconds is equal to 394 years, 13 weeks, 1 day, 9 hours, 31 minutes, 30 seconds.
• To count from 1 to 12,399,125,490 would take you about seven hundred eighty-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 12399125490 cubic inches would be around 192.9 feet tall.

Recreational maths with 12399125490

• 12399125490 backwards is 09452199321
• 12399125490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12399125490's digits is 45
• More coming soon!