399816643939608

Names of 399816643939608

• Cardinal: 399816643939608 can be written as Three hundred ninety-nine trillion, eight hundred sixteen billion, six hundred forty-three million, nine hundred thirty-nine thousand, six hundred eight.

Scientific notation

• Scientific notation: 3.99816643939608 × 10¹⁴

Factors of 399816643939608

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 40336626780

Divisors of 399816643939608

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 59 84 118 168 177 236 354 413 472 708 826 1239 1416 1652 2478 3304 4956 9912 40336626709 80673253418 121009880127 161346506836 242019760254 282356386963 322693013672 484039520508 564712773926 847069160889 968079041016 1129425547852 1694138321778 2258851095704 2379860975831 3388276643556 4759721951662 6776553287112 7139582927493 9519443903324 14279165854986 16659026830817 19038887806648 28558331709972 33318053661634 49977080492451 57116663419944 66636107323268 99954160984902 133272214646536 199908321969804 399816643939608
• Sum of all divisors σ(n): 1161694849248000
• Sum of proper divisors (its aliquot sum) s(n): 761878205308392
• 399816643939608 is an abundant number, because the sum of its proper divisors (761878205308392) is greater than itself. Its abundance is 362061561368784

Bases of 399816643939608

• Binary: 1011010111010000110010001000010011000110100011000₂
• Hexadecimal: 0x16BA191098D18
• Base-36: 3XQ18AUAZC

Squares and roots of 399816643939608

• 399816643939608 squared (399816643939608²) is 159853348771131282474751193664
• 399816643939608 cubed (399816643939608³) is 63912029428181370003484876574519369528243712
• The square root of 399816643939608 is 19995415.5730659421
• The cube root of 399816643939608 is 73669.3700937941

Scales and comparisons

• 399,816,643,939,608 seconds is equal to 12,712,932 years, 29 weeks, 2 days, 6 minutes, 48 seconds.
• To count from 1 to 399,816,643,939,608 would take you about thirty-one million, seven hundred eighty-two thousand, three hundred thirty-one 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 399816643939608 cubic inches would be around 6139.1 feet tall.

Recreational maths with 399816643939608

• 399816643939608 backwards is 806939346618993
• 399816643939608 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 399816643939608's digits is 84
• More coming soon!