1145037920

Names of 1145037920

• Cardinal: 1145037920 can be written as One billion, one hundred forty-five million, thirty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.14503792 × 10⁹

Factors of 1145037920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2840

Divisors of 1145037920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 211 260 416 422 520 844 1040 1055 1688 2080 2110 2609 2743 3376 4220 5218 5486 6752 8440 10436 10972 13045 13715 16880 20872 21944 26090 27430 33760 33917 41744 43888 52180 54860 67834 83488 87776 104360 109720 135668 169585 208720 219440 271336 339170 417440 438880 542672 550499 678340 1085344 1100998 1356680 2201996 2713360 2752495 4403992 5426720 5504990 7156487 8807984 11009980 14312974 17615968 22019960 28625948 35782435 44039920 57251896 71564870 88079840 114503792 143129740 229007584 286259480 572518960 1145037920
• Sum of all divisors σ(n): 2928169440
• Sum of proper divisors (its aliquot sum) s(n): 1783131520
• 1145037920 is an abundant number, because the sum of its proper divisors (1783131520) is greater than itself. Its abundance is 638093600

Bases of 1145037920

• Binary: 1000100001111111110010001100000₂
• Hexadecimal: 0x443FE460
• Base-36: IXQ4WW

Squares and roots of 1145037920

• 1145037920 squared (1145037920²) is 1311111838237926400
• 1145037920 cubed (1145037920³) is 1501272772143331710169088000
• The square root of 1145037920 is 33838.4089460483
• The cube root of 1145037920 is 1046.1805054647

Scales and comparisons

• 1,145,037,920 seconds is equal to 36 years, 21 weeks, 1 day, 18 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,145,037,920 would take you about seventy-two 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 1145037920 cubic inches would be around 87.2 feet tall.

Recreational maths with 1145037920

• 1145037920 backwards is 0297305411
• 1145037920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1145037920's digits is 32
• More coming soon!