161221425771312

Names of 161221425771312

• Cardinal: 161221425771312 can be written as One hundred sixty-one trillion, two hundred twenty-one billion, four hundred twenty-five million, seven hundred seventy-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.61221425771312 × 10¹⁴

Factors of 161221425771312

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 373197744846

Divisors of 161221425771312

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 373197744841 746395489682 1119593234523 1492790979364 2239186469046 2985581958728 3358779703569 4478372938092 5971163917456 6717559407138 8956745876184 10076339110707 13435118814276 17913491752368 20152678221414 26870237628552 40305356442828 53740475257104 80610712885656 161221425771312
• Sum of all divisors σ(n): 462765203604080
• Sum of proper divisors (its aliquot sum) s(n): 301543777832768
• 161221425771312 is an abundant number, because the sum of its proper divisors (301543777832768) is greater than itself. Its abundance is 140322352061456

Bases of 161221425771312

• Binary: 100100101010000101001001110100000011001100110000₂
• Hexadecimal: 0x92A149D03330
• Base-36: 1L5C3MAGC0

Squares and roots of 161221425771312

• 161221425771312 squared (161221425771312²) is 25992348127734665114122201344
• 161221425771312 cubed (161221425771312³) is 4190523424297674750695848943320418563043328
• The square root of 161221425771312 is 12697299.9401964195
• The cube root of 161221425771312 is 54426.1464397697

Scales and comparisons

• 161,221,425,771,312 seconds is equal to 5,126,342 years, 33 weeks, 5 days, 4 hours, 55 minutes, 12 seconds.
• To count from 1 to 161,221,425,771,312 would take you about twelve million, eight hundred fifteen thousand, eight hundred fifty-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 161221425771312 cubic inches would be around 4535.5 feet tall.

Recreational maths with 161221425771312

• 161221425771312 backwards is 213177524122161
• The number of decimal digits it has is: 15
• The sum of 161221425771312's digits is 45
• More coming soon!