138557281723920

Names of 138557281723920

• Cardinal: 138557281723920 can be written as One hundred thirty-eight trillion, five hundred fifty-seven billion, two hundred eighty-one million, seven hundred twenty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3855728172392 × 10¹⁴

Factors of 138557281723920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10317578

Divisors of 138557281723920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 6221 12442 18663 24884 31105 37326 49768 55989 62210 74652 93315 99536 111978 124420 149304 167967 186630 223956 248840 279945 298608 335934 373260 447912 497680 559890 671868 746520 839835 895824 1119780 1343736 1493040 1679670 2239560 2687472 3359340 4479120 6718680 10311347 13437360 20622694 30934041 41245388 51556735 61868082 82490776 92802123 103113470 123736164 154670205 164981552 185604246 206226940 247472328 278406369 309340410 371208492 412453880 464010615 494944656 556812738 618680820 742416984 824907760 928021230 1113625476 1237361640 1392031845 1484833968 1856042460 2227250952 2474723280 2784063690 3712084920 4454501904 5568127380 7424169840 11136254760 22272509520 64146889687 128293779374 192440669061 256587558748 320734448435 384881338122 513175117496 577322007183 641468896870 769762676244 962203345305 1026350234992 1154644014366 1282937793740 1539525352488 1731966021549 1924406690610 2309288028732 2565875587480 2886610035915 3079050704976 3463932043098 3848813381220 4618576057464 5131751174960 5773220071830 6927864086196 7697626762440 8659830107745 9237152114928 11546440143660 13855728172392 15395253524880 17319660215490 23092880287320 27711456344784 34639320430980 46185760574640 69278640861960 138557281723920
• Sum of all divisors σ(n): 477329621984640
• Sum of proper divisors (its aliquot sum) s(n): 338772340260720
• 138557281723920 is an abundant number, because the sum of its proper divisors (338772340260720) is greater than itself. Its abundance is 200215058536800

Bases of 138557281723920

• Binary: 11111100000010001100001100011101110011000010000₂
• Hexadecimal: 0x7E04618EE610
• Base-36: 1D44C43FO0

Squares and roots of 138557281723920

• 138557281723920 squared (138557281723920²) is 19198120318721735247100166400
• 138557281723920 cubed (138557281723920³) is 2660039365570840292569100771112310860288000
• The square root of 138557281723920 is 11771035.7116066893
• The cube root of 138557281723920 is 51745.9603650669

Scales and comparisons

• 138,557,281,723,920 seconds is equal to 4,405,692 years, 50 weeks, 4 days, 4 hours, 12 minutes.
• To count from 1 to 138,557,281,723,920 would take you about eleven million, fourteen thousand, two hundred thirty-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 138557281723920 cubic inches would be around 4312.2 feet tall.

Recreational maths with 138557281723920

• 138557281723920 backwards is 029327182755831
• The number of decimal digits it has is: 15
• The sum of 138557281723920's digits is 63
• More coming soon!