138380839425

Names of 138380839425

• Cardinal: 138380839425 can be written as One hundred thirty-eight billion, three hundred eighty million, eight hundred thirty-nine thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.38380839425 × 10¹¹

Factors of 138380839425

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 68

Divisors of 138380839425

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 9 15 19 25 27 41 45 57 75 81 95 123 135 171 205 225 243 285 361 369 405 475 513 615 675 729 779 855 1025 1083 1107 1215 1425 1539 1805 1845 2025 2187 2337 2565 3075 3249 3321 3645 3895 4275 4617 5415 5535 6075 6561 6859 7011 7695 9025 9225 9747 9963 10935 11685 12825 13851 14801 16245 16605 18225 19475 19683 20577 21033 23085 27075 27675 29241 29889 32805 34295 35055 38475 41553 44403 48735 49815 54675 58425 61731 63099 69255 74005 81225 83025 87723 89667 98415 102885 105165 115425 124659 133209 146205 149445 164025 171475 175275 185193 189297 207765 222015 243675 249075 263169 269001 281219 308655 315495 346275 370025 373977 399627 438615 448335 492075 514425 525825 555579 567891 623295 666045 731025 747225 789507 807003 843657 925965 946485 1038825 1110075 1198881 1315845 1345005 1406095 1543275 1577475 1666737 1703673 1869885 1998135 2193075 2241675 2368521 2530971 2777895 2839455 3116475 3330225 3596643 3947535 4035015 4218285 4629825 4732425 5000211 5111019 5994405 6579225 6725025 7030475 7105563 7592913 8333685 8518365 9349425 9990675 10789929 11842605 12654855 13889475 14197275 15000633 15333057 17983215 19737675 20175075 21091425 22778739 25001055 25555095 29972025 32369787 35527815 37964565 41668425 42591825 45001899 53949645 59213025 63274275 68336217 75003165 76665285 89916075 97109361 113893695 125005275 127775475 135005697 161848935 177639075 189822825 205008651 225009495 269748225 291328083 341681085 375015825 383326425 485546805 569468475 615025953 675028485 809244675 1025043255 1125047475 1456640415 1708405425 1845077859 2427734025 3075129765 3375142425 5125216275 5535233577 7283202075 9225389295 15375648825 27676167885 46126946475 138380839425
• Sum of all divisors σ(n): 278307395520
• Sum of proper divisors (its aliquot sum) s(n): 139926556095
• 138380839425 is an abundant number, because the sum of its proper divisors (139926556095) is greater than itself. Its abundance is 1545716670

Bases of 138380839425

• Binary: 10000000111000001001000000101000000001₂
• Hexadecimal: 0x2038240A01
• Base-36: 1RKKDN29

Squares and roots of 138380839425

• 138380839425 squared (138380839425²) is 19149256719967634330625
• 138380839425 cubed (138380839425³) is 2649890219273943397503335484890625
• The square root of 138380839425 is 371995.7518910665
• The cube root of 138380839425 is 5172.3986169345

Scales and comparisons

• 138,380,839,425 seconds is equal to 4,400 years, 4 weeks, 2 days, 2 hours, 3 minutes, 45 seconds.
• To count from 1 to 138,380,839,425 would take you about eight thousand, eight hundred 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 138380839425 cubic inches would be around 431 feet tall.

Recreational maths with 138380839425

• 138380839425 backwards is 524938083831
• The number of decimal digits it has is: 12
• The sum of 138380839425's digits is 54
• More coming soon!