1390920700

Names of 1390920700

• Cardinal: 1390920700 can be written as One billion, three hundred ninety million, nine hundred twenty thousand, seven hundred.

Scientific notation

• Scientific notation: 1.3909207 × 10⁹

Factors of 1390920700

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 507

Divisors of 1390920700

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 10 13 20 25 26 50 52 65 100 130 169 260 325 338 487 650 676 845 974 1300 1690 1948 2197 2435 3380 4225 4394 4870 6331 8450 8788 9740 10985 12175 12662 16900 21970 24350 25324 28561 31655 43940 48700 54925 57122 63310 82303 109850 114244 126620 142805 158275 164606 219700 285610 316550 329212 411515 571220 633100 714025 823030 1069939 1428050 1646060 2057575 2139878 2856100 4115150 4279756 5349695 8230300 10699390 13909207 21398780 26748475 27818414 53496950 55636828 69546035 106993900 139092070 278184140 347730175 695460350 1390920700
• Sum of all divisors σ(n): 3276528136
• Sum of proper divisors (its aliquot sum) s(n): 1885607436
• 1390920700 is an abundant number, because the sum of its proper divisors (1885607436) is greater than itself. Its abundance is 494686736

Bases of 1390920700

• Binary: 1010010111001111100001111111100₂
• Hexadecimal: 0x52E7C3FC
• Base-36: N049A4

Squares and roots of 1390920700

• 1390920700 squared (1390920700²) is 1934660393688490000
• 1390920700 cubed (1390920700³) is 2690959189051470092743000000
• The square root of 1390920700 is 37295.0492693065
• The cube root of 1390920700 is 1116.2653829035

Scales and comparisons

• 1,390,920,700 seconds is equal to 44 years, 11 weeks, 5 days, 14 hours, 51 minutes, 40 seconds.
• To count from 1 to 1,390,920,700 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 1390920700 cubic inches would be around 93 feet tall.

Recreational maths with 1390920700

• 1390920700 backwards is 0070290931
• The number of decimal digits it has is: 10
• The sum of 1390920700's digits is 31
• More coming soon!