125215562421

Names of 125215562421

• Cardinal: 125215562421 can be written as One hundred twenty-five billion, two hundred fifteen million, five hundred sixty-two thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.25215562421 × 10¹¹

Factors of 125215562421

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 512

Divisors of 125215562421

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 9 19 27 31 57 73 81 93 157 171 219 229 279 471 513 589 657 687 837 1387 1413 1539 1767 1971 2061 2263 2511 2983 4161 4239 4351 4867 5301 5913 6183 6789 7099 8949 11461 12483 12717 13053 14601 15903 16717 18549 20367 21297 26847 34383 35953 37449 39159 42997 43803 47709 50151 61101 63891 80541 92473 103149 107859 112347 117477 128991 131409 134881 150453 183303 191673 217759 241623 277419 309447 317623 323577 352431 355291 386973 394227 404643 451359 518227 575019 653277 683107 832257 928341 952869 970731 1065873 1114543 1160919 1213929 1354077 1554681 1959831 2049321 2496771 2624569 2858607 2912193 3197619 3343629 3482757 3641787 4664043 5879493 6147963 6750529 7490313 7873707 8575821 9592857 9846313 10030887 10925361 13992129 17638479 18443889 20251587 21176317 23621121 25727463 28778571 29538939 30092661 41976387 49866811 55331667 60754761 63528951 70863363 81361639 88616817 90277983 149600433 182264283 190586853 212590089 244084917 265850451 448801299 546792849 571760559 732254751 797551353 1346403897 1545871141 1715281677 2196764253 4039211691 4637613423 6590292759 13912840269 41738520807 125215562421
• Sum of all divisors σ(n): 208248550400
• Sum of proper divisors (its aliquot sum) s(n): 83032987979
• 125215562421 is a deficient number, because the sum of its proper divisors (83032987979) is less than itself. Its deficiency is 42182574442

Bases of 125215562421

• Binary: 1110100100111011011011101101010110101₂
• Hexadecimal: 0x1D276DDAB5
• Base-36: 1LIU42B9

Squares and roots of 125215562421

• 125215562421 squared (125215562421²) is 15678937072407347381241
• 125215562421 cubed (125215562421³) is 1963246923684953202754813319944461
• The square root of 125215562421 is 353858.1105768243
• The cube root of 125215562421 is 5002.8725150287

Scales and comparisons

• 125,215,562,421 seconds is equal to 3,981 years, 24 weeks, 2 days, 4 hours, 40 minutes, 21 seconds.
• To count from 1 to 125,215,562,421 would take you about seven thousand, nine hundred sixty-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 125215562421 cubic inches would be around 416.9 feet tall.

Recreational maths with 125215562421

• 125215562421 backwards is 124265512521
• The number of decimal digits it has is: 12
• The sum of 125215562421's digits is 36
• More coming soon!