1398989856

Names of 1398989856

• Cardinal: 1398989856 can be written as One billion, three hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.398989856 × 10⁹

Factors of 1398989856

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1167

Divisors of 1398989856

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 1151 2302 3453 4604 6906 9208 12661 13812 18416 25322 27624 36832 37983 50644 55248 75966 101288 110496 151932 202576 303864 405152 607728 1215456 1324801 2649602 3974403 5299204 7948806 10598408 14572811 15897612 21196816 29145622 31795224 42393632 43718433 58291244 63590448 87436866 116582488 127180896 174873732 233164976 349747464 466329952 699494928 1398989856
• Sum of all divisors σ(n): 4009681872
• Sum of proper divisors (its aliquot sum) s(n): 2610692016
• 1398989856 is an abundant number, because the sum of its proper divisors (2610692016) is greater than itself. Its abundance is 1211702160

Bases of 1398989856

• Binary: 1010011011000101110010000100000₂
• Hexadecimal: 0x5362E420
• Base-36: N4X7HC

Squares and roots of 1398989856

• 1398989856 squared (1398989856²) is 1957172617190900736
• 1398989856 cubed (1398989856³) is 2738064637891041345166934016
• The square root of 1398989856 is 37403.0728149441
• The cube root of 1398989856 is 1118.4198209341

Scales and comparisons

• 1,398,989,856 seconds is equal to 44 years, 25 weeks, 1 day, 17 minutes, 36 seconds.
• To count from 1 to 1,398,989,856 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 1398989856 cubic inches would be around 93.2 feet tall.

Recreational maths with 1398989856

• 1398989856 backwards is 6589898931
• 1398989856 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1398989856's digits is 66
• More coming soon!