1218520799003940

Names of 1218520799003940

• Cardinal: 1218520799003940 can be written as One quadrillion, two hundred eighteen trillion, five hundred twenty billion, seven hundred ninety-nine million, three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.21852079900394 × 10¹⁵

Factors of 1218520799003940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 278201095746

Divisors of 1218520799003940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 1095 1460 2190 4380 278201095663 556402191326 834603286989 1112804382652 1391005478315 1669206573978 2782010956630 3338413147956 4173016434945 5564021913260 8346032869890 16692065739780 20308679983399 40617359966798 60926039950197 81234719933596 101543399916995 121852079900394 203086799833990 243704159800788 304630199750985 406173599667980 609260399501970 1218520799003940
• Sum of all divisors σ(n): 3458596021294848
• Sum of proper divisors (its aliquot sum) s(n): 2240075222290908
• 1218520799003940 is an abundant number, because the sum of its proper divisors (2240075222290908) is greater than itself. Its abundance is 1021554423286968

Bases of 1218520799003940

• Binary: 100010101000011110011111011011000000100010100100100₂
• Hexadecimal: 0x4543CFB604524
• Base-36: BZXGQ6GA3O

Squares and roots of 1218520799003940

• 1218520799003940 squared (1218520799003940²) is 1484792937605200344896135523600
• 1218520799003940 cubed (1218520799003940³) is 1809251076686095954992079119588246130362984000
• The square root of 1218520799003940 is 34907317.2702220129
• The cube root of 1218520799003940 is 106809.7705705043

Scales and comparisons

• 1,218,520,799,003,940 seconds is equal to 38,745,192 years, 14 weeks, 2 days, 11 hours, 19 minutes.
• To count from 1 to 1,218,520,799,003,940 would take you about one hundred sixteen million, two hundred thirty-five 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 1218520799003940 cubic inches would be around 8900.8 feet tall.

Recreational maths with 1218520799003940

• 1218520799003940 backwards is 0493009970258121
• 1218520799003940 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1218520799003940's digits is 60
• More coming soon!