13887945225

Names of 13887945225

• Cardinal: 13887945225 can be written as Thirteen billion, eight hundred eighty-seven million, nine hundred forty-five thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.3887945225 × 10¹⁰

Factors of 13887945225

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 317

Divisors of 13887945225

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 33 35 45 55 63 73 75 77 79 99 105 139 165 175 219 225 231 237 275 315 365 385 395 417 495 511 525 553 657 693 695 711 803 825 869 973 1095 1155 1185 1251 1529 1533 1575 1659 1825 1925 1975 2085 2409 2475 2555 2607 2765 2919 3285 3465 3475 3555 4015 4345 4587 4599 4865 4977 5475 5621 5767 5775 5925 6083 6255 7227 7645 7665 7821 8295 8757 10147 10425 10703 10981 12045 12775 13035 13761 13825 14595 16425 16863 17301 17325 17775 18249 20075 21725 22935 22995 24325 24885 28105 28835 30415 30441 31275 32109 32943 36135 38225 38325 39105 40369 41475 43785 50589 50735 51903 53515 54747 54905 60225 63437 65175 68805 71029 72975 76867 84315 86505 91245 91323 96327 98829 111617 114675 114975 120791 121107 124425 140525 144175 152075 152205 160545 164715 180675 190311 195525 201845 213087 218925 230601 252945 253675 259515 267575 273735 274525 317185 334851 344025 355145 362373 363321 384335 421575 432525 444059 456225 456615 481635 494145 558085 570933 603955 605535 639261 691803 761025 781319 801613 802725 823575 845537 951555 1004553 1009225 1065435 1087119 1153005 1264725 1297575 1332177 1368675 1585925 1674255 1775725 1811865 1816605 1921675 2220295 2283075 2343957 2404839 2408175 2470725 2536611 2790425 2854665 3019775 3027675 3196305 3459015 3906595 3996531 4008065 4227685 4757775 5022765 5327175 5435595 5611291 5765025 6660885 7031871 7214517 7609833 8371275 8817743 9059325 9083025 11101475 11719785 12024195 12683055 14273325 15981525 16833873 17295075 19532975 19982655 20040325 21138425 25113825 26453229 27177975 28056455 33304425 35159355 36072585 38049165 44088715 50501619 58598925 60120975 61724201 63415275 79359687 84169365 99913275 132266145 140282275 175796775 180362925 185172603 190245825 220443575 252508095 308621005 396798435 420846825 555517809 661330725 925863015 1262540475 1543105025 1983992175 2777589045 4629315075 13887945225
• Sum of all divisors σ(n): 32064614400
• Sum of proper divisors (its aliquot sum) s(n): 18176669175
• 13887945225 is an abundant number, because the sum of its proper divisors (18176669175) is greater than itself. Its abundance is 4288723950

Bases of 13887945225

• Binary: 1100111011110010010011101000001001₂
• Hexadecimal: 0x33BC93A09
• Base-36: 6DOIV49

Squares and roots of 13887945225

• 13887945225 squared (13887945225²) is 192875022572600300625
• 13887945225 cubed (13887945225³) is 2678637748758911560898533265625
• The square root of 13887945225 is 117847.1265029403
• The cube root of 13887945225 is 2403.6948426593

Scales and comparisons

• 13,887,945,225 seconds is equal to 441 years, 30 weeks, 6 days, 2 hours, 33 minutes, 45 seconds.
• To count from 1 to 13,887,945,225 would take you about eight hundred eighty-three 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 13887945225 cubic inches would be around 200.3 feet tall.

Recreational maths with 13887945225

• 13887945225 backwards is 52254978831
• The number of decimal digits it has is: 11
• The sum of 13887945225's digits is 54
• More coming soon!