1445369240

Names of 1445369240

• Cardinal: 1445369240 can be written as One billion, four hundred forty-five million, three hundred sixty-nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.44536924 × 10⁹

Factors of 1445369240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 303680

Divisors of 1445369240

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1190 2380 4760 303649 607298 1214596 1518245 2125543 2429192 3036490 4251086 5162033 6072980 8502172 10324066 10627715 12145960 17004344 20648132 21255430 25810165 36134231 41296264 42510860 51620330 72268462 85021720 103240660 144536924 180671155 206481320 289073848 361342310 722684620 1445369240
• Sum of all divisors σ(n): 3935304000
• Sum of proper divisors (its aliquot sum) s(n): 2489934760
• 1445369240 is an abundant number, because the sum of its proper divisors (2489934760) is greater than itself. Its abundance is 1044565520

Bases of 1445369240

• Binary: 1010110001001101001010110011000₂
• Hexadecimal: 0x56269598
• Base-36: NWJA1K

Squares and roots of 1445369240

• 1445369240 squared (1445369240²) is 2089092239938177600
• 1445369240 cubed (1445369240³) is 3019509663129341404697024000
• The square root of 1445369240 is 38018.0120469233
• The cube root of 1445369240 is 1130.6450072769

Scales and comparisons

• 1,445,369,240 seconds is equal to 45 years, 49 weeks, 5 days, 19 hours, 27 minutes, 20 seconds.
• To count from 1 to 1,445,369,240 would take you about ninety-one 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 1445369240 cubic inches would be around 94.2 feet tall.

Recreational maths with 1445369240

• 1445369240 backwards is 0429635441
• The number of decimal digits it has is: 10
• The sum of 1445369240's digits is 38
• More coming soon!