51309012162391380

Names of 51309012162391380

• Cardinal: 51309012162391380 can be written as Fifty-one quadrillion, three hundred nine trillion, twelve billion, one hundred sixty-two million, three hundred ninety-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 5.130901216239138 × 10¹⁶

Factors of 51309012162391380

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 285050067568851

Divisors of 51309012162391380

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 285050067568841 570100135137682 855150202706523 1140200270275364 1425250337844205 1710300405413046 2565450608119569 2850500675688410 3420600810826092 4275751013532615 5130901216239138 5701001351376820 8551502027065230 10261802432478276 12827253040597845 17103004054130460 25654506081195690 51309012162391380
• Sum of all divisors σ(n): 155637336892587732
• Sum of proper divisors (its aliquot sum) s(n): 104328324730196352
• 51309012162391380 is an abundant number, because the sum of its proper divisors (104328324730196352) is greater than itself. Its abundance is 53019312567804972

Bases of 51309012162391380

• Binary: 10110110010010010100011001010011101101110010110101010100₂
• Hexadecimal: 0xB6494653B72D54
• Base-36: E17IYSA1V10

Squares and roots of 51309012162391380

• 51309012162391380 squared (51309012162391380²) is 2632614729080426556604080298304400
• 51309012162391380 cubed (51309012162391380³) is 135076861153278294021614034790248752525263176072000
• The square root of 51309012162391380 is 226514927.0189304323
• The cube root of 51309012162391380 is 371590.4561429933

Scales and comparisons

• 51,309,012,162,391,380 seconds is equal to 1,631,467,877 years, 29 weeks, 4 days, 2 hours, 3 minutes.
• To count from 1 to 51,309,012,162,391,380 would take you about four billion, eight hundred ninety-four million, four hundred three thousand, six hundred thirty-two 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 51309012162391380 cubic inches would be around 30965.9 feet tall.

Recreational maths with 51309012162391380

• 51309012162391380 backwards is 08319326121090315
• The number of decimal digits it has is: 17
• The sum of 51309012162391380's digits is 54
• More coming soon!