1389288753021

Names of 1389288753021

• Cardinal: 1389288753021 can be written as One trillion, three hundred eighty-nine billion, two hundred eighty-eight million, seven hundred fifty-three thousand and twenty-one.

Scientific notation

• Scientific notation: 1.389288753021 × 10¹²

Factors of 1389288753021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 128

Divisors of 1389288753021

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 13 23 39 69 89 169 267 299 507 897 1157 2047 2197 3471 3887 6141 6591 7921 11661 15041 23763 26611 28561 45123 50531 79833 85683 102973 151593 182183 195533 308919 345943 546549 586599 656903 704969 1037829 1338649 1970709 2114907 2368379 2541929 4015947 4497259 7105137 7625787 9164597 13491777 16214287 17402437 27493791 30788927 48642861 52207311 58464367 92366781 119139761 175393101 210785731 226231681 357419283 400256051 632357193 678695043 1200768153 1548816893 2740214503 4646450679 5203328663 8220643509 15609985989 20134619609 35622788539 60403858827 106868365617 463096251007 1389288753021
• Sum of all divisors σ(n): 2117790161280
• Sum of proper divisors (its aliquot sum) s(n): 728501408259
• 1389288753021 is a deficient number, because the sum of its proper divisors (728501408259) is less than itself. Its deficiency is 660787344762

Bases of 1389288753021

• Binary: 10100001101111000000100000000011101111101₂
• Hexadecimal: 0x1437810077D
• Base-36: HQ8ANIIL

Squares and roots of 1389288753021

• 1389288753021 squared (1389288753021²) is 1930123239270645136626441
• 1389288753021 cubed (1389288753021³) is 2681498508263167799393946391587228261
• The square root of 1389288753021 is 1178680.9377524523
• The cube root of 1389288753021 is 11158.2864608665

Scales and comparisons

• 1,389,288,753,021 seconds is equal to 44,175 years, 4 weeks, 2 days, 22 hours, 30 minutes, 21 seconds.
• To count from 1 to 1,389,288,753,021 would take you about one hundred ten thousand, four hundred thirty-seven 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 1389288753021 cubic inches would be around 929.9 feet tall.

Recreational maths with 1389288753021

• 1389288753021 backwards is 1203578829831
• The number of decimal digits it has is: 13
• The sum of 1389288753021's digits is 57
• More coming soon!