1389978869447

Names of 1389978869447

• Cardinal: 1389978869447 can be written as One trillion, three hundred eighty-nine billion, nine hundred seventy-eight million, eight hundred sixty-nine thousand, four hundred forty-seven.

Scientific notation

• Scientific notation: 1.389978869447 × 10¹²

Factors of 1389978869447

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 232

Divisors of 1389978869447

• Number of divisors d(n): 90
• Complete list of divisors:
  1 7 23 29 49 161 173 203 343 667 841 1127 1211 1421 2401 3979 4669 5017 5887 7889 8477 9947 19343 27853 29929 32683 35119 41209 55223 59339 69629 115391 135401 145493 194971 209503 228781 245833 288463 415373 688367 807737 867941 947807 1018451 1364797 1466521 1601467 1720831 2019241 3346339 4818569 5654159 6075587 6634649 7129157 9553579 10265647 12045817 19962643 23424373 25170289 33729983 39579113 42529109 46442543 49904099 71859529 139738501 163970611 176192023 236109881 277053791 297703763 349328693 578916647 978169507 1147794277 1233344161 1652769167 2083926341 4052416529 6847186549 8034559939 8633409127 28366915703 47930305843 60433863889 198568409921 1389978869447
• Sum of all divisors σ(n): 1762593986712
• Sum of proper divisors (its aliquot sum) s(n): 372615117265
• 1389978869447 is a deficient number, because the sum of its proper divisors (372615117265) is less than itself. Its deficiency is 1017363752182

Bases of 1389978869447

• Binary: 10100001110100001001100100101111011000111₂
• Hexadecimal: 0x143A1325EC7
• Base-36: HQJPJ3RB

Squares and roots of 1389978869447

• 1389978869447 squared (1389978869447²) is 1932041257509160270085809
• 1389978869447 cubed (1389978869447³) is 2685496522837542791460201967498377623
• The square root of 1389978869447 is 1178973.6508705357
• The cube root of 1389978869447 is 11160.1337471259

Scales and comparisons

• 1,389,978,869,447 seconds is equal to 44,197 years, 1 week, 3 days, 9 hours, 30 minutes, 47 seconds.
• To count from 1 to 1,389,978,869,447 would take you about one hundred ten thousand, four hundred ninety-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 1389978869447 cubic inches would be around 930 feet tall.

Recreational maths with 1389978869447

• 1389978869447 backwards is 7449688799831
• The number of decimal digits it has is: 13
• The sum of 1389978869447's digits is 83
• More coming soon!