138397581961947
138,397,581,961,947 is an odd composite number composed of three prime numbers multiplied together.
138397581961947 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of two hundred ninety-four divisors.
Prime factorization of 138397581961947:
313 × 72 × 116
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 11 × 11 × 11 × 11 × 11 × 11)See below for interesting mathematical facts about the number 138397581961947 from the Numbermatics database.
Names of 138397581961947
- Cardinal: 138397581961947 can be written as One hundred thirty-eight trillion, three hundred ninety-seven billion, five hundred eighty-one million, nine hundred sixty-one thousand, nine hundred forty-seven.
Scientific notation
- Scientific notation: 1.38397581961947 × 1014
Factors of 138397581961947
Divisors of 138397581961947
- Number of divisors d(n): 294
-
Complete list of divisors:
1 3 7 9 11 21 27 33 49 63 77 81 99 121 147 189 231 243 297 363 441 539 567 693 729 847 891 1089 1323 1331 1617 1701 2079 2187 2541 2673 3267 3969 3993 4851 5103 5929 6237 6561 7623 8019 9317 9801 11907 11979 14553 14641 15309 17787 18711 19683 22869 24057 27951 29403 35721 35937 43659 43923 45927 53361 56133 59049 65219 68607 72171 83853 88209 102487 107163 107811 130977 131769 137781 160083 161051 168399 177147 195657 205821 216513 251559 264627 307461 321489 323433 392931 395307 413343 480249 483153 505197 531441 586971 617463 649539 717409 754677 793881 922383 964467 970299 1127357 1178793 1185921 1240029 1440747 1449459 1515591 1594323 1760913 1771561 1852389 1948617 2152227 2264031 2381643 2767149 2893401 2910897 3382071 3536379 3557763 3720087 4322241 4348377 4546773 5282739 5314683 5557167 5845851 6456681 6792093 7144929 7891499 8301447 8680203 8732691 10146213 10609137 10673289 11160261 12400927 12966723 13045131 13640319 15848217 15944049 16671501 17537553 19370043 20376279 21434787 23674497 24904341 26040609 26198073 30438639 31827411 32019867 37202781 38900169 39135393 40920957 47544651 47832147 50014503 58110129 61128837 64304361 71023491 74713023 78121827 78594219 86806489 91315917 95482233 96059601 111608343 116700507 117406179 122762871 142633953 143496441 150043509 174330387 183386511 192913083 213070473 224139069 235782657 260419467 273947751 286446699 288178803 334825029 350101521 352218537 427901859 430489323 450130527 522991161 550159533 639211419 672417207 707347971 781258401 821843253 859340097 864536409 1004475087 1050304563 1056655611 1283705577 1291467969 1350391581 1568973483 1650478599 1917634257 2017251621 2122043913 2343775203 2465529759 2593609227 3013425261 3150913689 3169966833 3851116731 3874403907 4706920449 4951435797 5752902771 6051754863 7031325609 7396589277 7780827681 9040275783 9452741067 9509900499 11553350193 11623211721 14120761347 14854307391 17258708313 18155264589 21093976827 22189767831 23342483043 27120827349 28529701497 34660050579 34869635163 42362284041 51776124939 54465793767 63281930481 66569303493 81362482047 85589104491 103980151737 104608905489 127086852123 155328374817 163397381301 189845791443 199707910479 244087446141 256767313473 313826716467 381260556369 465985124451 569537374329 599123731437 732262338423 941480149401 1143781669107 1397955373353 1708612122987 1797371194311 2196787015269 2824440448203 4193866120059 5125836368961 6590361045807 12581598360177 15377509106883 19771083137421 46132527320649 138397581961947
- Sum of all divisors σ(n): 265638554983596
- Sum of proper divisors (its aliquot sum) s(n): 127240973021649
- 138397581961947 is a deficient number, because the sum of its proper divisors (127240973021649) is less than itself. Its deficiency is 11156608940298
Bases of 138397581961947
- Binary: 111110111011111001100101011010111101010110110112
- Hexadecimal: 0x7DDF32B5EADB
- Base-36: 1D22YYZAOR
Squares and roots of 138397581961947
- 138397581961947 squared (1383975819619472) is 19153890692913837625756030809
- 138397581961947 cubed (1383975819619473) is 2650852157062716659207805322710209597625123
-
The
square root of 138397581961947 is 11764250.1657329185 -
The
cube root of 138397581961947 is 51726.0720935479 - Being both a perfect square and a perfect cube, 138397581961947 is also a
perfect sixth number .
Scales and comparisons
How big is 138397581961947?- 138,397,581,961,947 seconds is equal to 4,400,615 years, 5 days, 7 hours, 12 minutes, 27 seconds.
-
To count from 1 to 138,397,581,961,947 would take you about eleven million, one thousand, five 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 138397581961947 cubic inches would be around 4310.5 feet tall.
Recreational maths with 138397581961947
- 138397581961947 backwards is 749169185793831
- 138397581961947 is a
Harshad number . - The number of decimal digits it has is: 15
- The sum of 138397581961947's digits is 81
- More coming soon!
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