13918911825

Names of 13918911825

• Cardinal: 13918911825 can be written as Thirteen billion, nine hundred eighteen million, nine hundred eleven thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.3918911825 × 10¹⁰

Factors of 13918911825

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 408

Divisors of 13918911825

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 13 15 21 25 35 39 49 65 73 75 91 105 147 169 175 195 219 245 273 307 325 365 455 507 511 525 637 735 845 921 949 975 1095 1183 1225 1365 1533 1535 1825 1911 2149 2275 2535 2555 2847 3185 3549 3577 3675 3991 4225 4605 4745 5475 5915 6447 6643 6825 7665 7675 8281 9555 10731 10745 11973 12337 12675 12775 14235 15043 15925 17745 17885 19929 19955 22411 23025 23725 24843 27937 29575 32235 33215 37011 38325 41405 45129 46501 47775 51883 53655 53725 59865 61685 67233 71175 75215 83811 86359 88725 89425 99645 99775 112055 124215 139503 139685 155649 156877 161175 166075 185055 195559 207025 225645 232505 259077 259415 268275 291343 299325 308425 336165 363181 376075 419055 431795 470631 498225 560275 586677 604513 621075 697515 698425 778245 784385 874029 925275 977795 1089543 1098139 1128225 1162525 1295385 1297075 1456715 1680825 1813539 1815905 2039401 2095275 2158975 2353155 2542267 2933385 3022565 3294417 3487575 3787459 3891225 3921925 4370145 4888975 5447715 5490695 6118203 6476925 7283575 7626801 9067695 9079525 10197005 11362377 11765775 12711335 14275807 14666925 15112825 16472085 18937295 21850725 26512213 27238575 27453475 30591015 38134005 42827421 45338475 50985025 56811885 63556675 71379035 79536639 82360425 94686475 132561065 152955075 185585491 190670025 214137105 284059425 356895175 397683195 556756473 662805325 927927455 1070685525 1988415975 2783782365 4639637275 13918911825
• Sum of all divisors σ(n): 29480175648
• Sum of proper divisors (its aliquot sum) s(n): 15561263823
• 13918911825 is an abundant number, because the sum of its proper divisors (15561263823) is greater than itself. Its abundance is 1642351998

Bases of 13918911825

• Binary: 1100111101101000011011110101010001₂
• Hexadecimal: 0x33DA1BD51
• Base-36: 6E6YL3L

Squares and roots of 13918911825

• 13918911825 squared (13918911825²) is 193736106392124830625
• 13918911825 cubed (13918911825³) is 2696595782190804391862434640625
• The square root of 13918911825 is 117978.4379664353
• The cube root of 13918911825 is 2405.4800600007

Scales and comparisons

• 13,918,911,825 seconds is equal to 442 years, 30 weeks, 12 hours, 23 minutes, 45 seconds.
• To count from 1 to 13,918,911,825 would take you about eight hundred eighty-five 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 13918911825 cubic inches would be around 200.5 feet tall.

Recreational maths with 13918911825

• 13918911825 backwards is 52811981931
• The number of decimal digits it has is: 11
• The sum of 13918911825's digits is 48
• More coming soon!