1991398513702

Names of 1991398513702

• Cardinal: 1991398513702 can be written as One trillion, nine hundred ninety-one billion, three hundred ninety-eight million, five hundred thirteen thousand, seven hundred two.

Scientific notation

• Scientific notation: 1.991398513702 × 10¹²

Factors of 1991398513702

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 231

Divisors of 1991398513702

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 13 23 26 46 169 193 299 338 386 529 598 1058 2197 2509 3887 4394 4439 5018 6877 7774 8878 12167 13754 24334 32617 37249 50531 57707 65234 74498 89401 101062 102097 115414 158171 178802 204194 316342 424021 484237 750191 848042 856727 968474 1162213 1327261 1500382 1713454 2056223 2324426 2348231 2654522 4112446 4696462 6295081 9752483 11137451 12590162 17254393 19504966 19704721 22274902 26730899 30527003 34508786 39409442 53461798 61054006 81836053 144786863 163672106 224307109 256161373 289573726 396851039 448614218 453208583 512322746 793702078 906417166 1882229219 3330097849 3764458438 5159063507 5891711579 6660195698 10318127014 11783423158 43291272037 76592250527 86582544074 153184501054 995699256851 1991398513702
• Sum of all divisors σ(n): 3400603214400
• Sum of proper divisors (its aliquot sum) s(n): 1409204700698
• 1991398513702 is a deficient number, because the sum of its proper divisors (1409204700698) is less than itself. Its deficiency is 582193813004

Bases of 1991398513702

• Binary: 11100111110101000100110011101110000100110₂
• Hexadecimal: 0x1CFA899DC26
• Base-36: PEU39B8M

Squares and roots of 1991398513702

• 1991398513702 squared (1991398513702²) is 3965668040374534681744804
• 1991398513702 cubed (1991398513702³) is 7897225441437371292636454277661304408
• The square root of 1991398513702 is 1411169.2009472145
• The cube root of 1991398513702 is 12581.1225541661

Scales and comparisons

• 1,991,398,513,702 seconds is equal to 63,320 years, 16 weeks, 1 day, 21 hours, 48 minutes, 22 seconds.
• To count from 1 to 1,991,398,513,702 would take you about one hundred fifty-eight thousand, three hundred 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 1991398513702 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991398513702

• 1991398513702 backwards is 2073158931991
• The number of decimal digits it has is: 13
• The sum of 1991398513702's digits is 58
• More coming soon!