1378901215638

Names of 1378901215638

• Cardinal: 1378901215638 can be written as One trillion, three hundred seventy-eight billion, nine hundred one million, two hundred fifteen thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.378901215638 × 10¹²

Factors of 1378901215638

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 500690369

Divisors of 1378901215638

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 306 459 918 1377 2754 500690347 1001380694 1502071041 3004142082 4506213123 8511735899 9012426246 13518639369 17023471798 25535207697 27037278738 40555918107 51070415394 76605623091 81111836214 153211246182 229816869273 459633738546 689450607819 1378901215638
• Sum of all divisors σ(n): 3271510733832
• Sum of proper divisors (its aliquot sum) s(n): 1892609518194
• 1378901215638 is an abundant number, because the sum of its proper divisors (1892609518194) is greater than itself. Its abundance is 513708302556

Bases of 1378901215638

• Binary: 10100000100001100111010101100100110010110₂
• Hexadecimal: 0x1410CEAC996
• Base-36: HLGI6JDI

Squares and roots of 1378901215638

• 1378901215638 squared (1378901215638²) is 1901368562487954175747044
• 1378901215638 cubed (1378901215638³) is 2621799422190516578669237268385074072
• The square root of 1378901215638 is 1174266.2456351201
• The cube root of 1378901215638 is 11130.4071598567

Scales and comparisons

• 1,378,901,215,638 seconds is equal to 43,844 years, 41 weeks, 1 day, 19 hours, 27 minutes, 18 seconds.
• To count from 1 to 1,378,901,215,638 would take you about one hundred nine thousand, six hundred eleven 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 1378901215638 cubic inches would be around 927.5 feet tall.

Recreational maths with 1378901215638

• 1378901215638 backwards is 8365121098731
• 1378901215638 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1378901215638's digits is 54
• More coming soon!