1388944148268681
1,388,944,148,268,681 is an odd composite number composed of three prime numbers multiplied together.
1388944148268681 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred five divisors.
Prime factorization of 1388944148268681:
34 × 316 × 1392
(3 × 3 × 3 × 3 × 31 × 31 × 31 × 31 × 31 × 31 × 139 × 139)See below for interesting mathematical facts about the number 1388944148268681 from the Numbermatics database.
Names of 1388944148268681
- Cardinal: 1388944148268681 can be written as One quadrillion, three hundred eighty-eight trillion, nine hundred forty-four billion, one hundred forty-eight million, two hundred sixty-eight thousand, six hundred eighty-one.
Scientific notation
- Scientific notation: 1.388944148268681 × 1015
Factors of 1388944148268681
Divisors of 1388944148268681
- Number of divisors d(n): 105
-
Complete list of divisors:
1 3 9 27 31 81 93 139 279 417 837 961 1251 2511 2883 3753 4309 8649 11259 12927 19321 25947 29791 38781 57963 77841 89373 116343 133579 173889 268119 349029 400737 521667 598951 804357 923521 1202211 1565001 1796853 2413071 2770563 3606633 4140949 5390559 8311689 10819899 12422847 16171677 18567481 24935067 28629151 37268541 48515031 55702443 74805201 85887453 111805623 128369419 167107329 257662359 335416869 385108257 501321987 575591911 772987077 887503681 1155324771 1503965961 1726775733 2318961231 2662511043 3465974313 3979451989 5180327199 7987533129 10397922939 11938355967 15540981597 17843349241 23962599387 35815067901 46622944791 53530047723 71887798161 107445203703 123363011659 160590143169 322335611109 370089034977 481770429507 553143826471 1110267104931 1445311288521 1659431479413 3330801314793 4978294438239 9992403944379 14934883314717 17147458620601 44804649944151 51442375861803 154327127585409 462981382756227 1388944148268681
- Sum of all divisors σ(n): 2159539365551997
- Sum of proper divisors (its aliquot sum) s(n): 770595217283316
- 1388944148268681 is a deficient number, because the sum of its proper divisors (770595217283316) is less than itself. Its deficiency is 618348930985365
Bases of 1388944148268681
- Binary: 1001110111100111100110000101001001000000110100010012
- Hexadecimal: 0x4EF3CC2920689
- Base-36: DOC84SEJK9
Squares and roots of 1388944148268681
- 1388944148268681 squared (13889441482686812) is 1929165847009811709329765479761
- 1388944148268681 cubed (13889441482686813) is 2679503614244071481195897985200884107495665241
-
1388944148268681 is a
perfect square number . Itssquare root is 37268541 -
The
cube root of 1388944148268681 is 111573.6380253901
Scales and comparisons
How big is 1388944148268681?- 1,388,944,148,268,681 seconds is equal to 44,164,127 years, 32 weeks, 4 days, 19 hours, 31 minutes, 21 seconds.
-
To count from 1 to 1,388,944,148,268,681 would take you about one hundred thirty-two million, four hundred ninety-two thousand, three hundred eighty-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 1388944148268681 cubic inches would be around 9297.8 feet tall.
Recreational maths with 1388944148268681
- 1388944148268681 backwards is 1868628414498831
- 1388944148268681 is a
Harshad number . - The number of decimal digits it has is: 16
- The sum of 1388944148268681's digits is 81
- More coming soon!
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