42721415792

Names of 42721415792

• Cardinal: 42721415792 can be written as Forty-two billion, seven hundred twenty-one million, four hundred fifteen thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 4.2721415792 × 10¹⁰

Factors of 42721415792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5589

Divisors of 42721415792

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 19 22 38 44 76 88 121 152 176 209 242 304 361 418 484 722 836 968 1331 1444 1672 1936 2299 2662 2888 3344 3971 4598 5324 5557 5776 7942 9196 10648 11114 15884 18392 21296 22228 25289 31768 36784 43681 44456 50578 61127 63536 87362 88912 101156 105583 122254 174724 202312 211166 244508 349448 404624 422332 480491 489016 672397 698896 844664 960982 978032 1161413 1344794 1689328 1921964 2006077 2322826 2689588 3843928 4012154 4645652 5379176 7396367 7687856 8024308 9291304 10758352 12775543 14792734 16048616 18582608 22066847 25551086 29585468 32097232 44133694 51102172 59170936 88267388 102204344 118341872 140530973 176534776 204408688 242735317 281061946 353069552 485470634 562123892 970941268 1124247784 1941882536 2248495568 2670088487 3883765072 5340176974 10680353948 21360707896 42721415792
• Sum of all divisors σ(n): 96105067632
• Sum of proper divisors (its aliquot sum) s(n): 53383651840
• 42721415792 is an abundant number, because the sum of its proper divisors (53383651840) is greater than itself. Its abundance is 10662236048

Bases of 42721415792

• Binary: 100111110010011001010001001001110000₂
• Hexadecimal: 0x9F2651270
• Base-36: JMJ87E8

Squares and roots of 42721415792

• 42721415792 squared (42721415792²) is 1825119367272946987264
• 42721415792 cubed (42721415792³) is 77971683359299525396079072473088
• The square root of 42721415792 is 206691.5958426949
• The cube root of 42721415792 is 3495.8158378099

Scales and comparisons

• 42,721,415,792 seconds is equal to 1,358 years, 21 weeks, 1 day, 19 hours, 56 minutes, 32 seconds.
• To count from 1 to 42,721,415,792 would take you about two thousand, seven hundred 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 42721415792 cubic inches would be around 291.3 feet tall.

Recreational maths with 42721415792

• 42721415792 backwards is 29751412724
• 42721415792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42721415792's digits is 44
• More coming soon!