138409888239199840

Names of 138409888239199840

• Cardinal: 138409888239199840 can be written as One hundred thirty-eight quadrillion, four hundred nine trillion, eight hundred eighty-eight billion, two hundred thirty-nine million, one hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3840988823919984 × 10¹⁷

Factors of 138409888239199840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 778986609

Divisors of 138409888239199840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 149 160 232 257 290 298 464 514 580 596 745 928 1028 1160 1192 1285 1490 2056 2320 2384 2570 2980 4112 4321 4640 4768 5140 5960 7453 8224 8642 10280 11920 14906 17284 20560 21605 23840 29812 34568 37265 38293 41120 43210 59624 69136 74530 76586 86420 119248 138272 149060 153172 172840 191465 238496 298120 306344 345680 382930 596240 612688 691360 765860 1110497 1192480 1225376 1531720 2220994 3063440 4441988 5552485 6126880 8883976 11104970 17767952 22209940 35535904 44419880 88839760 177679520 778986167 1557972334 3115944668 3894930835 6231889336 7789861670 12463778672 15579723340 22590598843 24927557344 31159446680 45181197686 62318893360 90362395372 112952994215 116068938883 124637786720 180724790744 200199444919 225905988430 232137877766 361449581488 400398889838 451811976860 464275755532 580344694415 722899162976 800797779676 903623953720 928551511064 1000997224595 1160689388830 1601595559352 1807247907440 1857103022128 2001994449190 2321378777660 3203191118704 3365999227607 3614495814880 3714206044256 4003988898380 4642757555320 5805783902651 6406382237408 6731998455214 8007977796760 9285515110640 11611567805302 13463996910428 16015955593520 16829996138035 18571030221280 23223135610604 26927993820856 29028919513255 29829717292931 32031911187040 33659992276070 46446271221208 53855987641712 58057839026510 59659434585862 67319984552140 92892542442416 107711975283424 116115678053020 119318869171724 134639969104280 149148586464655 185785084884832 232231356106040 238637738343448 269279938208560 298297172929310 464462712212080 477275476686896 538559876417120 596594345858620 865061801494999 928925424424160 954550953373792 1193188691717240 1730123602989998 2386377383434480 3460247205979996 4325309007474995 4772754766868960 6920494411959992 8650618014949990 13840988823919984 17301236029899980 27681977647839968 34602472059799960 69204944119599920 138409888239199840
• Sum of all divisors σ(n): 341864311716144000
• Sum of proper divisors (its aliquot sum) s(n): 203454423476944160
• 138409888239199840 is an abundant number, because the sum of its proper divisors (203454423476944160) is greater than itself. Its abundance is 65044535237744320

Bases of 138409888239199840

• Binary: 111101011101110110000111101011101111001100010011001100000₂
• Hexadecimal: 0x1EBBB0F5DE62660
• Base-36: 11UU7KV07FJ4

Squares and roots of 138409888239199840

• 138409888239199840 squared (138409888239199840²) is 19157297162387790185252403456025600
• 138409888239199840 cubed (138409888239199840³) is 2651559359211234268183897844345261487429570555904000
• The square root of 138409888239199840 is 372034794.3932124207
• The cube root of 138409888239199840 is 517276.0520443233

Scales and comparisons

• 138,409,888,239,199,840 seconds is equal to 4,401,006,316 years, 5 weeks, 5 days, 19 hours, 30 minutes, 40 seconds.
• To count from 1 to 138,409,888,239,199,840 would take you about thirteen billion, two hundred three million, eighteen thousand, nine hundred forty-eight 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 138409888239199840 cubic inches would be around 43106.3 feet tall.

Recreational maths with 138409888239199840

• 138409888239199840 backwards is 048991932888904831
• The number of decimal digits it has is: 18
• The sum of 138409888239199840's digits is 94
• More coming soon!