3939945913942160

Names of 3939945913942160

• Cardinal: 3939945913942160 can be written as Three quadrillion, nine hundred thirty-nine trillion, nine hundred forty-five billion, nine hundred thirteen million, nine hundred forty-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 3.93994591394216 × 10¹⁵

Factors of 3939945913942160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1698252549149

Divisors of 3939945913942160

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 1698252549113 3396505098226 6793010196452 8491262745565 13586020392904 16982525491130 27172040785808 33965050982260 49249323924277 67930101964520 98498647848554 135860203929040 196997295697108 246246619621385 393994591394216 492493239242770 787989182788432 984986478485540 1969972956971080 3939945913942160
• Sum of all divisors σ(n): 9476249224056120
• Sum of proper divisors (its aliquot sum) s(n): 5536303310113960
• 3939945913942160 is an abundant number, because the sum of its proper divisors (5536303310113960) is greater than itself. Its abundance is 1596357396171800

Bases of 3939945913942160

• Binary: 1101111111110101110000100100101000101000000010010000₂
• Hexadecimal: 0xDFF5C24A28090
• Base-36: 12SLE5YRSSW

Squares and roots of 3939945913942160

• 3939945913942160 squared (3939945913942160²) is 15523173804789522452671825465600
• 3939945913942160 cubed (3939945913942160³) is 61160465203594452244546591147449329173469696000
• The square root of 3939945913942160 is 62768988.4731477889
• The cube root of 3939945913942160 is 157941.6800454469

Scales and comparisons

• 3,939,945,913,942,160 seconds is equal to 125,278,093 years, 3 days, 19 hours, 29 minutes, 20 seconds.
• To count from 1 to 3,939,945,913,942,160 would take you about three hundred seventy-five million, eight hundred thirty-four thousand, two hundred seventy-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 3939945913942160 cubic inches would be around 13161.8 feet tall.

Recreational maths with 3939945913942160

• 3939945913942160 backwards is 0612493195499393
• The number of decimal digits it has is: 16
• The sum of 3939945913942160's digits is 77
• More coming soon!