12399399408

Names of 12399399408

• Cardinal: 12399399408 can be written as Twelve billion, three hundred ninety-nine million, three hundred ninety-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.2399399408 × 10¹⁰

Factors of 12399399408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 398104

Divisors of 12399399408

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 59 66 88 118 132 176 177 236 264 354 472 528 649 708 944 1298 1416 1947 2596 2832 3894 5192 7788 10384 15576 31152 398029 796058 1194087 1592116 2388174 3184232 4378319 4776348 6368464 8756638 9552696 13134957 17513276 19105392 23483711 26269914 35026552 46967422 52539828 70053104 70451133 93934844 105079656 140902266 187869688 210159312 258320821 281804532 375739376 516641642 563609064 774962463 1033283284 1127218128 1549924926 2066566568 3099849852 4133133136 6199699704 12399399408
• Sum of all divisors σ(n): 35536118400
• Sum of proper divisors (its aliquot sum) s(n): 23136718992
• 12399399408 is an abundant number, because the sum of its proper divisors (23136718992) is greater than itself. Its abundance is 10737319584

Bases of 12399399408

• Binary: 1011100011000011111101000111110000₂
• Hexadecimal: 0x2E30FD1F0
• Base-36: 5P2A5TC

Squares and roots of 12399399408

• 12399399408 squared (12399399408²) is 153745105679110750464
• 12399399408 cubed (12399399408³) is 1906346972340463277269757325312
• The square root of 12399399408 is 111352.5904862567
• The cube root of 12399399408 is 2314.5516850067

Scales and comparisons

• 12,399,399,408 seconds is equal to 394 years, 13 weeks, 4 days, 13 hours, 36 minutes, 48 seconds.
• To count from 1 to 12,399,399,408 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 12399399408 cubic inches would be around 192.9 feet tall.

Recreational maths with 12399399408

• 12399399408 backwards is 80499399321
• The number of decimal digits it has is: 11
• The sum of 12399399408's digits is 57
• More coming soon!