1390621419

Names of 1390621419

• Cardinal: 1390621419 can be written as One billion, three hundred ninety million, six hundred twenty-one thousand, four hundred nineteen.

Scientific notation

• Scientific notation: 1.390621419 × 10⁹

Factors of 1390621419

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 597

Divisors of 1390621419

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 19 27 33 43 57 99 121 129 171 209 297 363 387 473 513 521 627 817 1089 1161 1419 1563 1881 2299 2451 3267 4257 4689 5203 5643 5731 6897 7353 8987 9899 12771 14067 15609 17193 20691 22059 22403 26961 29697 46827 51579 62073 63041 67209 80883 89091 98857 108889 140481 154737 189123 201627 242649 246433 267273 296571 326667 425657 567369 604881 739299 889713 980001 1197779 1276971 1702107 2217897 2669139 2710763 2940003 3593337 3830913 4682227 6653691 8132289 10780011 11492739 14046681 24396867 32340033 42140043 51504497 73190601 126420129 154513491 463540473 1390621419
• Sum of all divisors σ(n): 2443795200
• Sum of proper divisors (its aliquot sum) s(n): 1053173781
• 1390621419 is a deficient number, because the sum of its proper divisors (1053173781) is less than itself. Its deficiency is 337447638

Bases of 1390621419

• Binary: 1010010111000110011001011101011₂
• Hexadecimal: 0x52E332EB
• Base-36: MZXUCR

Squares and roots of 1390621419

• 1390621419 squared (1390621419²) is 1933827930981573561
• 1390621419 cubed (1390621419³) is 2689222541483429888250703059
• The square root of 1390621419 is 37291.0367112527
• The cube root of 1390621419 is 1116.1853157979

Scales and comparisons

• 1,390,621,419 seconds is equal to 44 years, 11 weeks, 2 days, 3 hours, 43 minutes, 39 seconds.
• To count from 1 to 1,390,621,419 would take you about eighty-eight 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 1390621419 cubic inches would be around 93 feet tall.

Recreational maths with 1390621419

• 1390621419 backwards is 9141260931
• The number of decimal digits it has is: 10
• The sum of 1390621419's digits is 36
• More coming soon!