138395459925

Names of 138395459925

• Cardinal: 138395459925 can be written as One hundred thirty-eight billion, three hundred ninety-five million, four hundred fifty-nine thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 1.38395459925 × 10¹¹

Factors of 138395459925

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 255

Divisors of 138395459925

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 5 9 15 19 25 27 31 45 57 75 81 93 95 135 155 171 197 225 279 285 361 405 465 475 513 589 591 675 775 837 855 961 985 1083 1395 1425 1539 1767 1773 1805 2025 2325 2511 2565 2883 2945 2955 3249 3743 4185 4275 4805 4925 5301 5319 5415 6107 6975 7695 8649 8835 8865 9025 9747 11191 11229 12555 12825 14415 14725 14775 15903 15957 16245 18259 18321 18715 20925 24025 25947 26505 26595 27075 29241 30535 33573 33687 38475 43245 44175 44325 47709 48735 54777 54963 55955 56145 62775 71117 72075 77841 79515 79785 81225 91295 91605 93575 100719 101061 116033 129735 132525 132975 146205 152675 164331 164889 167865 168435 189317 213351 216225 238545 243675 273885 274815 279775 280725 302157 303183 346921 348099 355585 389205 397575 398925 456475 458025 492993 494667 503595 505305 567951 580165 640053 648675 731025 821655 824445 839325 842175 906471 946585 1040763 1044297 1066755 1192725 1369425 1374075 1478979 1510785 1515915 1703853 1734605 1740495 1777925 1920159 1946025 2204627 2464965 2473335 2517975 2526525 2839755 2900825 3122289 3132891 3200265 3597023 4108275 4122225 4532355 4732925 5111559 5203815 5221485 5333775 5760477 6613881 7394895 7553925 7579575 8519265 8673025 8702475 9366867 9398673 9600795 10791069 11023135 12324825 12366675 14198775 15334677 15611445 15664455 16001325 17985115 19841643 22661775 25557795 26019075 26107425 28100601 28802385 32373207 33069405 36974475 42596325 46834335 46993365 48003975 53955345 55115675 59524929 68343437 76673385 78057225 78322275 89925575 97119621 99208215 127788975 140503005 144011925 161866035 165347025 178574787 205030311 234171675 234966825 269776725 291358863 297624645 341717185 383366925 485598105 496041075 615090933 702515025 809330175 892873935 1025151555 1456794315 1488123225 1708585925 1845272799 2427990525 3075454665 4464369675 5125757775 5535818397 7283971575 9226363995 15377273325 27679091985 46131819975 138395459925
• Sum of all divisors σ(n): 280987162434
• Sum of proper divisors (its aliquot sum) s(n): 142591702509
• 138395459925 is an abundant number, because the sum of its proper divisors (142591702509) is greater than itself. Its abundance is 4196242584

Bases of 138395459925

• Binary: 10000000111001000000110010000101010101₂
• Hexadecimal: 0x2039032155
• Base-36: 1RKT30B9

Squares and roots of 138395459925

• 138395459925 squared (138395459925²) is 19153303327852281005625
• 138395459925 cubed (138395459925³) is 2650730223141149492233813387078125
• The square root of 138395459925 is 372015.4028061203
• The cube root of 138395459925 is 5172.5807721883

Scales and comparisons

• 138,395,459,925 seconds is equal to 4,400 years, 28 weeks, 3 days, 7 hours, 18 minutes, 45 seconds.
• To count from 1 to 138,395,459,925 would take you about eight thousand, eight hundred one 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 138395459925 cubic inches would be around 431 feet tall.

Recreational maths with 138395459925

• 138395459925 backwards is 529954593831
• The number of decimal digits it has is: 12
• The sum of 138395459925's digits is 63
• More coming soon!