15981216040

Names of 15981216040

• Cardinal: 15981216040 can be written as Fifteen billion, nine hundred eighty-one million, two hundred sixteen thousand and forty.

Scientific notation

• Scientific notation: 1.598121604 × 10¹⁰

Factors of 15981216040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 550

Divisors of 15981216040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 20 23 40 46 92 115 184 230 257 263 460 514 526 920 1028 1052 1285 1315 2056 2104 2570 2630 5140 5260 5911 6049 10280 10520 11822 12098 23644 24196 29555 30245 47288 48392 59110 60490 66049 67591 118220 120980 132098 135182 236440 241960 264196 270364 330245 337955 528392 540728 660490 675910 1320980 1351820 1519127 1554593 2641960 2703640 3038254 3109186 6076508 6218372 7595635 7772965 12153016 12436744 15191270 15545930 17370887 30382540 31091860 34741774 60765080 62183720 69483548 86854435 138967096 173708870 347417740 399530401 694835480 799060802 1598121604 1997652005 3196243208 3995304010 7990608020 15981216040
• Sum of all divisors σ(n): 37810903680
• Sum of proper divisors (its aliquot sum) s(n): 21829687640
• 15981216040 is an abundant number, because the sum of its proper divisors (21829687640) is greater than itself. Its abundance is 5848471600

Bases of 15981216040

• Binary: 1110111000100011100000000100101000₂
• Hexadecimal: 0x3B88E0128
• Base-36: 7CASX7S

Squares and roots of 15981216040

• 15981216040 squared (15981216040²) is 255399266117153281600
• 15981216040 cubed (15981216040³) is 4081590848275678543044556864000
• The square root of 15981216040 is 126416.8344802227
• The cube root of 15981216040 is 2518.8556175379

Scales and comparisons

• 15,981,216,040 seconds is equal to 508 years, 7 weeks, 6 days, 18 hours, 40 minutes, 40 seconds.
• To count from 1 to 15,981,216,040 would take you about one thousand and sixteen 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 15981216040 cubic inches would be around 209.9 feet tall.

Recreational maths with 15981216040

• 15981216040 backwards is 04061218951
• The number of decimal digits it has is: 11
• The sum of 15981216040's digits is 37
• More coming soon!