1820408691168

Names of 1820408691168

• Cardinal: 1820408691168 can be written as One trillion, eight hundred twenty billion, four hundred eight million, six hundred ninety-one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.820408691168 × 10¹²

Factors of 1820408691168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 826805

Divisors of 1820408691168

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 7717 15434 23151 30868 46302 61736 69453 92604 123472 138906 185208 246944 277812 370416 555624 740832 819083 1111248 1638166 2222496 2457249 3276332 4914498 6552664 7371747 9828996 13105328 14743494 19657992 26210656 29486988 39315984 58973976 78631968 117947952 235895904 6320863511 12641727022 18962590533 25283454044 37925181066 50566908088 56887771599 75850362132 101133816176 113775543198 151700724264 202267632352 227551086396 303401448528 455102172792 606802897056 910204345584 1820408691168
• Sum of all divisors σ(n): 5177464365528
• Sum of proper divisors (its aliquot sum) s(n): 3357055674360
• 1820408691168 is an abundant number, because the sum of its proper divisors (3357055674360) is greater than itself. Its abundance is 1536646983192

Bases of 1820408691168

• Binary: 11010011111011000110100000011100111100000₂
• Hexadecimal: 0x1A7D8D039E0
• Base-36: N8A8BZS0

Squares and roots of 1820408691168

• 1820408691168 squared (1820408691168²) is 3313887802879990801204224
• 1820408691168 cubed (1820408691168³) is 6032630157918363235396061090113093632
• The square root of 1820408691168 is 1349225.2188452453
• The cube root of 1820408691168 is 12210.2053172759

Scales and comparisons

• 1,820,408,691,168 seconds is equal to 57,883 years, 19 weeks, 52 minutes, 48 seconds.
• To count from 1 to 1,820,408,691,168 would take you about one hundred forty-four thousand, seven hundred 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 1820408691168 cubic inches would be around 1017.5 feet tall.

Recreational maths with 1820408691168

• 1820408691168 backwards is 8611968040281
• The number of decimal digits it has is: 13
• The sum of 1820408691168's digits is 54
• More coming soon!