918109132913921

Names of 918109132913921

• Cardinal: 918109132913921 can be written as Nine hundred eighteen trillion, one hundred nine billion, one hundred thirty-two million, nine hundred thirteen thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 9.18109132913921 × 10¹⁴

Factors of 918109132913921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 23350

Divisors of 918109132913921

• Number of divisors d(n): 96
• Complete list of divisors:
  1 13 19 73 89 169 247 949 1157 1387 1691 2089 3211 6497 12337 15041 18031 21067 21983 27157 39691 84461 123443 152497 185921 234403 273871 285779 353041 400273 515983 1097993 1537891 1604759 1874963 1982461 2416973 2897443 3532499 3560323 5203549 6707779 13572233 19992583 20861867 24374519 25771993 29219929 31420649 35624297 37666759 44008963 45922487 67646137 136872299 176439029 257872427 259903579 316868747 379859077 463115861 489667867 572116519 596992331 836170297 1779339887 2293707377 2600573681 3212654299 3352341551 3916797707 4938168001 6020506193 7437514747 10870213861 23131418531 33807457853 41764505887 43580440163 50918370191 61040431681 74419156433 141312780193 285926232611 439496952089 542938576531 661938812483 793525611853 967449033629 3717041023943 5432598419609 10315832954089 12576837437177 48321533311259 70623779454917 918109132913921
• Sum of all divisors σ(n): 1073309344272000
• Sum of proper divisors (its aliquot sum) s(n): 155200211358079
• 918109132913921 is a deficient number, because the sum of its proper divisors (155200211358079) is less than itself. Its deficiency is 762908921555842

Bases of 918109132913921

• Binary: 11010000110000001111110000101110110111110100000001₂
• Hexadecimal: 0x34303F0BB7D01
• Base-36: 91FXIGV0N5

Squares and roots of 918109132913921

• 918109132913921 squared (918109132913921²) is 842924379939951856888395594241
• 918109132913921 cubed (918109132913921³) is 773896571578673703688693840900528098696328961
• The square root of 918109132913921 is 30300315.7230072605
• The cube root of 918109132913921 is 97192.2051741273

Scales and comparisons

• 918,109,132,913,921 seconds is equal to 29,193,030 years, 27 weeks, 3 days, 10 hours, 18 minutes, 41 seconds.
• To count from 1 to 918,109,132,913,921 would take you about seventy-two million, nine hundred eighty-two thousand, five hundred seventy-six 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 918109132913921 cubic inches would be around 8099.4 feet tall.

Recreational maths with 918109132913921

• 918109132913921 backwards is 129319231901819
• The number of decimal digits it has is: 15
• The sum of 918109132913921's digits is 59
• More coming soon!