1380402438

Names of 1380402438

• Cardinal: 1380402438 can be written as One billion, three hundred eighty million, four hundred two thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.380402438 × 10⁹

Factors of 1380402438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 41372

Divisors of 1380402438

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 37 74 111 151 222 302 453 906 5587 11174 16761 33522 41179 82358 123537 247074 1523623 3047246 4570869 6218029 9141738 12436058 18654087 37308174 230067073 460134146 690201219 1380402438
• Sum of all divisors σ(n): 2854268160
• Sum of proper divisors (its aliquot sum) s(n): 1473865722
• 1380402438 is an abundant number, because the sum of its proper divisors (1473865722) is greater than itself. Its abundance is 93463284

Bases of 1380402438

• Binary: 1010010010001110100010100000110₂
• Hexadecimal: 0x52474506
• Base-36: MTUTC6

Squares and roots of 1380402438

• 1380402438 squared (1380402438²) is 1905510890836343844
• 1380402438 cubed (1380402438³) is 2630371879346040901263891672
• The square root of 1380402438 is 37153.7674805665
• The cube root of 1380402438 is 1113.4444953567

Scales and comparisons

• 1,380,402,438 seconds is equal to 43 years, 46 weeks, 2 days, 21 hours, 7 minutes, 18 seconds.
• To count from 1 to 1,380,402,438 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 1380402438 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380402438

• 1380402438 backwards is 8342040831
• The number of decimal digits it has is: 10
• The sum of 1380402438's digits is 33
• More coming soon!