1388958948

Names of 1388958948

• Cardinal: 1388958948 can be written as One billion, three hundred eighty-eight million, nine hundred fifty-eight thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 1.388958948 × 10⁹

Factors of 1388958948

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 76117

Divisors of 1388958948

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 169 234 338 351 468 507 676 702 1014 1404 1521 2028 3042 4563 6084 9126 18252 76099 152198 228297 304396 456594 684891 913188 989287 1369782 1978574 2054673 2739564 2967861 3957148 4109346 5935722 8218692 8903583 11871444 12860731 17807166 25721462 26710749 35614332 38582193 51442924 53421498 77164386 106842996 115746579 154328772 231493158 347239737 462986316 694479474 1388958948
• Sum of all divisors σ(n): 3899364000
• Sum of proper divisors (its aliquot sum) s(n): 2510405052
• 1388958948 is an abundant number, because the sum of its proper divisors (2510405052) is greater than itself. Its abundance is 1121446104

Bases of 1388958948

• Binary: 1010010110010011101010011100100₂
• Hexadecimal: 0x52C9D4E4
• Base-36: MYY7L0

Squares and roots of 1388958948

• 1388958948 squared (1388958948²) is 1929206959229266704
• 1388958948 cubed (1388958948³) is 2679589268565361171999267392
• The square root of 1388958948 is 37268.7395547529
• The cube root of 1388958948 is 1115.7403431059

Scales and comparisons

• 1,388,958,948 seconds is equal to 44 years, 8 weeks, 3 days, 21 hours, 55 minutes, 48 seconds.
• To count from 1 to 1,388,958,948 would take you about eighty-eight 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 1388958948 cubic inches would be around 93 feet tall.

Recreational maths with 1388958948

• 1388958948 backwards is 8498598831
• The number of decimal digits it has is: 10
• The sum of 1388958948's digits is 63
• More coming soon!