1438194160

Names of 1438194160

• Cardinal: 1438194160 can be written as One billion, four hundred thirty-eight million, one hundred ninety-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.43819416 × 10⁹

Factors of 1438194160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1490

Divisors of 1438194160

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 40 52 62 65 80 104 124 130 155 208 248 260 310 403 496 520 620 806 961 1040 1240 1439 1612 1922 2015 2480 2878 3224 3844 4030 4805 5756 6448 7195 7688 8060 9610 11512 12493 14390 15376 16120 18707 19220 23024 24986 28780 32240 37414 38440 44609 49972 57560 62465 74828 76880 89218 93535 99944 115120 124930 149656 178436 187070 199888 223045 249860 299312 356872 374140 446090 499720 579917 713744 748280 892180 999440 1159834 1382879 1496560 1784360 2319668 2765758 2899585 3568720 4639336 5531516 5799170 6914395 9278672 11063032 11598340 13828790 17977427 22126064 23196680 27657580 35954854 46393360 55315160 71909708 89887135 110630320 143819416 179774270 287638832 359548540 719097080 1438194160
• Sum of all divisors σ(n): 3723511680
• Sum of proper divisors (its aliquot sum) s(n): 2285317520
• 1438194160 is an abundant number, because the sum of its proper divisors (2285317520) is greater than itself. Its abundance is 847123360

Bases of 1438194160

• Binary: 1010101101110010001100111110000₂
• Hexadecimal: 0x55B919F0
• Base-36: NS9HPS

Squares and roots of 1438194160

• 1438194160 squared (1438194160²) is 2068402441858105600
• 1438194160 cubed (1438194160³) is 2974764312410067022583296000
• The square root of 1438194160 is 37923.5304263725
• The cube root of 1438194160 is 1128.7709926123

Scales and comparisons

• 1,438,194,160 seconds is equal to 45 years, 37 weeks, 6 days, 18 hours, 22 minutes, 40 seconds.
• To count from 1 to 1,438,194,160 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 1438194160 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438194160

• 1438194160 backwards is 0614918341
• The number of decimal digits it has is: 10
• The sum of 1438194160's digits is 37
• More coming soon!