1338642121728

Names of 1338642121728

• Cardinal: 1338642121728 can be written as One trillion, three hundred thirty-eight billion, six hundred forty-two million, one hundred twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.338642121728 × 10¹²

Factors of 1338642121728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4813

Divisors of 1338642121728

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 256 304 384 456 512 608 768 912 1024 1216 1536 1824 2432 3072 3648 4789 4864 7296 9578 9728 14367 14592 19156 19456 28734 29184 38312 57468 58368 76624 90991 114936 153248 181982 229872 272973 306496 363964 459744 545946 612992 727928 919488 1091892 1225984 1455856 1838976 2183784 2451968 2911712 3677952 4367568 4903936 5823424 7355904 8735136 11646848 14711808 17470272 22934521 23293696 34940544 45869042 46587392 68803563 69881088 91738084 93174784 137607126 139762176 183476168 275214252 279524352 366952336 435755899 550428504 733904672 871511798 1100857008 1307267697 1467809344 1743023596 2201714016 2614535394 2935618688 3486047192 4403428032 5229070788 5871237376 6972094384 8806856064 10458141576 11742474752 13944188768 17613712128 20916283152 23484949504 27888377536 35227424256 41832566304 55776755072 70454848512 83665132608 111553510144 167330265216 223107020288 334660530432 446214040576 669321060864 1338642121728
• Sum of all divisors σ(n): 3756541569360
• Sum of proper divisors (its aliquot sum) s(n): 2417899447632
• 1338642121728 is an abundant number, because the sum of its proper divisors (2417899447632) is greater than itself. Its abundance is 1079257325904

Bases of 1338642121728

• Binary: 10011011110101101010010011100010000000000₂
• Hexadecimal: 0x137AD49C400
• Base-36: H2YOYFPC

Squares and roots of 1338642121728

• 1338642121728 squared (1338642121728²) is 1791962730064441569705984
• 1338642121728 cubed (1338642121728³) is 2398796791030963397038701230898020352
• The square root of 1338642121728 is 1156997.0275363717
• The cube root of 1338642121728 is 11021.0125126797

Scales and comparisons

• 1,338,642,121,728 seconds is equal to 42,564 years, 35 weeks, 2 days, 1 hour, 48 minutes, 48 seconds.
• To count from 1 to 1,338,642,121,728 would take you about one hundred six thousand, four 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 1338642121728 cubic inches would be around 918.4 feet tall.

Recreational maths with 1338642121728

• 1338642121728 backwards is 8271212468331
• 1338642121728 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1338642121728's digits is 48
• More coming soon!