1388936484

Names of 1388936484

• Cardinal: 1388936484 can be written as One billion, three hundred eighty-eight million, nine hundred thirty-six thousand, four hundred eighty-four.

Scientific notation

• Scientific notation: 1.388936484 × 10⁹

Factors of 1388936484

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109937

Divisors of 1388936484

• 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 81 108 117 156 162 234 243 324 351 468 486 702 972 1053 1404 2106 3159 4212 6318 12636 109919 219838 329757 439676 659514 989271 1319028 1428947 1978542 2857894 2967813 3957084 4286841 5715788 5935626 8573682 8903439 11871252 12860523 17147364 17806878 25721046 26710317 35613756 38581569 51442092 53420634 77163138 106841268 115744707 154326276 231489414 347234121 462978828 694468242 1388936484
• Sum of all divisors σ(n): 3921066240
• Sum of proper divisors (its aliquot sum) s(n): 2532129756
• 1388936484 is an abundant number, because the sum of its proper divisors (2532129756) is greater than itself. Its abundance is 1143193272

Bases of 1388936484

• Binary: 1010010110010010111110100100100₂
• Hexadecimal: 0x52C97D24
• Base-36: MYXQ90

Squares and roots of 1388936484

• 1388936484 squared (1388936484²) is 1929144556586282256
• 1388936484 cubed (1388936484³) is 2679459257552689919280227904
• The square root of 1388936484 is 37268.4381749491
• The cube root of 1388936484 is 1115.7343280189

Scales and comparisons

• 1,388,936,484 seconds is equal to 44 years, 8 weeks, 3 days, 15 hours, 41 minutes, 24 seconds.
• To count from 1 to 1,388,936,484 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 1388936484 cubic inches would be around 93 feet tall.

Recreational maths with 1388936484

• 1388936484 backwards is 4846398831
• 1388936484 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1388936484's digits is 54
• More coming soon!