1345420400

Names of 1345420400

• Cardinal: 1345420400 can be written as One billion, three hundred forty-five million, four hundred twenty thousand, four hundred.

Scientific notation

• Scientific notation: 1.3454204 × 10⁹

Factors of 1345420400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1076

Divisors of 1345420400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 152 190 200 211 304 380 400 422 475 760 839 844 950 1055 1520 1678 1688 1900 2110 3356 3376 3800 4009 4195 4220 5275 6712 7600 8018 8390 8440 10550 13424 15941 16036 16780 16880 20045 20975 21100 31882 32072 33560 40090 41950 42200 63764 64144 67120 79705 80180 83900 84400 100225 127528 159410 160360 167800 177029 200450 255056 318820 320720 335600 354058 398525 400900 637640 708116 797050 801800 885145 1275280 1416232 1594100 1603600 1770290 2832464 3188200 3363551 3540580 4425725 6376400 6727102 7081160 8851450 13454204 14162320 16817755 17702900 26908408 33635510 35405800 53816816 67271020 70811600 84088775 134542040 168177550 269084080 336355100 672710200 1345420400
• Sum of all divisors σ(n): 3422697600
• Sum of proper divisors (its aliquot sum) s(n): 2077277200
• 1345420400 is an abundant number, because the sum of its proper divisors (2077277200) is greater than itself. Its abundance is 731856800

Bases of 1345420400

• Binary: 1010000001100010111110001110000₂
• Hexadecimal: 0x50317C70
• Base-36: M9110W

Squares and roots of 1345420400

• 1345420400 squared (1345420400²) is 1810156052736160000
• 1345420400 cubed (1345420400³) is 2435420880534705481664000000
• The square root of 1345420400 is 36679.9727371763
• The cube root of 1345420400 is 1103.9583011275

Scales and comparisons

• 1,345,420,400 seconds is equal to 42 years, 40 weeks, 3 days, 23 hours, 53 minutes, 20 seconds.
• To count from 1 to 1,345,420,400 would take you about eighty-five 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 1345420400 cubic inches would be around 92 feet tall.

Recreational maths with 1345420400

• 1345420400 backwards is 0040245431
• The number of decimal digits it has is: 10
• The sum of 1345420400's digits is 23
• More coming soon!