155447844859242741

Names of 155447844859242741

• Cardinal: 155447844859242741 can be written as One hundred fifty-five quadrillion, four hundred forty-seven trillion, eight hundred forty-four billion, eight hundred fifty-nine million, two hundred forty-two thousand, seven hundred forty-one.

Scientific notation

• Scientific notation: 1.55447844859242741 × 10¹⁷

Factors of 155447844859242741

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1014284605

Divisors of 155447844859242741

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 13 39 457 1371 5941 8599 17823 25797 111787 335361 3929743 11789229 51086659 153259977 1014275533 3042826599 13185581929 39556745787 463523918581 1390571755743 6025810941553 8721755308267 18077432824659 26165265924801 113382819007471 340148457022413 3985842175878019 11957526527634057 51815948286414247 155447844859242741
• Sum of all divisors σ(n): 223721594505875200
• Sum of proper divisors (its aliquot sum) s(n): 68273749646632459
• 155447844859242741 is a deficient number, because the sum of its proper divisors (68273749646632459) is less than itself. Its deficiency is 87174095212610282

Bases of 155447844859242741

• Binary: 1000101000010000101111110111000101111011110110100011110101₂
• Hexadecimal: 0x22842FDC5EF68F5
• Base-36: 16ILNU2SRY0L

Squares and roots of 155447844859242741

• 155447844859242741 squared (155447844859242741²) is 24164032471383199860498895961193081
• 155447844859242741 cubed (155447844859242741³) is 3756246770785279610459958851033661102336736548675021
• The square root of 155447844859242741 is 394268746.9978348931
• The cube root of 155447844859242741 is 537685.3889254985

Scales and comparisons

• 155,447,844,859,242,741 seconds is equal to 4,942,760,634 years, 40 weeks, 1 hour, 12 minutes, 21 seconds.
• To count from 1 to 155,447,844,859,242,741 would take you about fourteen billion, eight hundred twenty-eight million, two hundred eighty-one thousand, nine hundred four 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 155447844859242741 cubic inches would be around 44807.1 feet tall.

Recreational maths with 155447844859242741

• 155447844859242741 backwards is 147242958448744551
• The number of decimal digits it has is: 18
• The sum of 155447844859242741's digits is 84
• More coming soon!