1381739240

Names of 1381739240

• Cardinal: 1381739240 can be written as One billion, three hundred eighty-one million, seven hundred thirty-nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.38173924 × 10⁹

Factors of 1381739240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 103

Divisors of 1381739240

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 89 98 140 178 196 245 280 356 392 445 490 623 712 890 980 1246 1780 1960 2492 3115 3560 4361 4984 6230 7921 8722 12460 15842 17444 21805 24920 31684 34888 39605 43610 55447 63368 79210 87220 110894 158420 174440 221788 277235 316840 388129 443576 554470 704969 776258 1108940 1409938 1552516 1940645 2217880 2819876 3105032 3524845 3881290 4934783 5639752 7049690 7762580 9869566 14099380 15525160 19739132 24673915 28198760 34543481 39478264 49347830 69086962 98695660 138173924 172717405 197391320 276347848 345434810 690869620 1381739240
• Sum of all divisors σ(n): 3657587400
• Sum of proper divisors (its aliquot sum) s(n): 2275848160
• 1381739240 is an abundant number, because the sum of its proper divisors (2275848160) is greater than itself. Its abundance is 894108920

Bases of 1381739240

• Binary: 1010010010110111010101011101000₂
• Hexadecimal: 0x525BAAE8
• Base-36: MUNGTK

Squares and roots of 1381739240

• 1381739240 squared (1381739240²) is 1909203327355777600
• 1381739240 cubed (1381739240³) is 2638021154546043350633024000
• The square root of 1381739240 is 37171.7532543193
• The cube root of 1381739240 is 1113.8038047303

Scales and comparisons

• 1,381,739,240 seconds is equal to 43 years, 48 weeks, 4 days, 8 hours, 27 minutes, 20 seconds.
• To count from 1 to 1,381,739,240 would take you about eighty-seven 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 1381739240 cubic inches would be around 92.8 feet tall.

Recreational maths with 1381739240

• 1381739240 backwards is 0429371831
• The number of decimal digits it has is: 10
• The sum of 1381739240's digits is 38
• More coming soon!