1427691440

Names of 1427691440

• Cardinal: 1427691440 can be written as One billion, four hundred twenty-seven million, six hundred ninety-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.42769144 × 10⁹

Factors of 1427691440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6246

Divisors of 1427691440

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 59 70 80 98 112 118 140 196 236 245 280 295 392 413 472 490 560 590 784 826 944 980 1180 1652 1960 2065 2360 2891 3304 3920 4130 4720 5782 6173 6608 8260 11564 12346 14455 16520 23128 24692 28910 30865 33040 43211 46256 49384 57820 61730 86422 98768 115640 123460 172844 216055 231280 246920 302477 345688 364207 432110 493840 604954 691376 728414 864220 1209908 1456828 1512385 1728440 1821035 2419816 2549449 2913656 3024770 3456880 3642070 4839632 5098898 5827312 6049540 7284140 10197796 12099080 12747245 14568280 17846143 20395592 24198160 25494490 29136560 35692286 40791184 50988980 71384572 89230715 101977960 142769144 178461430 203955920 285538288 356922860 713845720 1427691440
• Sum of all divisors σ(n): 3927404880
• Sum of proper divisors (its aliquot sum) s(n): 2499713440
• 1427691440 is an abundant number, because the sum of its proper divisors (2499713440) is greater than itself. Its abundance is 1072022000

Bases of 1427691440

• Binary: 1010101000110001101011110110000₂
• Hexadecimal: 0x5518D7B0
• Base-36: NM0DRK

Squares and roots of 1427691440

• 1427691440 squared (1427691440²) is 2038302847849273600
• 1427691440 cubed (1427691440³) is 2910067528002030328937984000
• The square root of 1427691440 is 37784.8043530729
• The cube root of 1427691440 is 1126.0165797159

Scales and comparisons

• 1,427,691,440 seconds is equal to 45 years, 20 weeks, 4 days, 4 hours, 57 minutes, 20 seconds.
• To count from 1 to 1,427,691,440 would take you about ninety 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 1427691440 cubic inches would be around 93.8 feet tall.

Recreational maths with 1427691440

• 1427691440 backwards is 0441967241
• The number of decimal digits it has is: 10
• The sum of 1427691440's digits is 38
• More coming soon!