3878949042165

Names of 3878949042165

• Cardinal: 3878949042165 can be written as Three trillion, eight hundred seventy-eight billion, nine hundred forty-nine million, forty-two thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 3.878949042165 × 10¹²

Factors of 3878949042165

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 308

Divisors of 3878949042165

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 15 23 69 115 277 345 529 831 1385 1587 2645 4155 6371 7935 12167 19113 31855 36501 60835 76729 95565 146533 182505 230187 383645 439599 732665 1150935 1764767 2197995 3370259 5294301 8823835 10110777 16851295 21253933 26471505 40589641 50553885 63761799 106269665 121768923 202948205 318808995 488840459 608844615 933561743 1466521377 2444202295 2800685229 4667808715 7332606885 11243330557 14003426145 33729991671 56216652785 168649958355 258596602811 775789808433 1292983014055 3878949042165
• Sum of all divisors σ(n): 6511909363200
• Sum of proper divisors (its aliquot sum) s(n): 2632960321035
• 3878949042165 is a deficient number, because the sum of its proper divisors (2632960321035) is less than itself. Its deficiency is 1245988721130

Bases of 3878949042165

• Binary: 111000011100100011011000010011011111110101₂
• Hexadecimal: 0x387236137F5
• Base-36: 1DHYQ3W8L

Squares and roots of 3878949042165

• 3878949042165 squared (3878949042165²) is 15046245671712770947887225
• 3878949042165 cubed (3878949042165³) is 58363620236469529903305190544189842125
• The square root of 3878949042165 is 1969504.7707901091
• The cube root of 3878949042165 is 15712.2371255595

Scales and comparisons

• 3,878,949,042,165 seconds is equal to 123,338 years, 30 weeks, 1 day, 13 hours, 2 minutes, 45 seconds.
• To count from 1 to 3,878,949,042,165 would take you about three hundred eight thousand, three hundred forty-six 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 3878949042165 cubic inches would be around 1309.4 feet tall.

Recreational maths with 3878949042165

• 3878949042165 backwards is 5612409498783
• The number of decimal digits it has is: 13
• The sum of 3878949042165's digits is 66
• More coming soon!