1997172513427

Names of 1997172513427

• Cardinal: 1997172513427 can be written as One trillion, nine hundred ninety-seven billion, one hundred seventy-two million, five hundred thirteen thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 1.997172513427 × 10¹²

Factors of 1997172513427

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3581

Divisors of 1997172513427

• Number of divisors d(n): 80
• Complete list of divisors:
  1 7 13 49 61 91 331 343 427 637 793 2317 2401 2989 3169 4303 4459 5551 16219 20191 20923 22183 30121 31213 38857 41197 113533 141337 146461 155281 193309 210847 262483 271999 288379 794731 989359 1048939 1086967 1353163 1475929 1837381 1903993 2018653 2513017 6925513 7342573 7608769 9472141 10331503 12861667 13636207 14130571 17591119 48478591 51398011 63985279 66304987 90031669 95453449 98913997 123137833 359786077 447896953 464134909 630221683 668174143 831808627 861964831 2518502539 3135278671 4677219001 5822660389 6033753817 21946950697 32740533007 40758622723 153628654879 285310359061 1997172513427
• Sum of all divisors σ(n): 2558763693920
• Sum of proper divisors (its aliquot sum) s(n): 561591180493
• 1997172513427 is a deficient number, because the sum of its proper divisors (561591180493) is less than itself. Its deficiency is 1435581332934

Bases of 1997172513427

• Binary: 11101000100000000110000100001101010010011₂
• Hexadecimal: 0x1D100C21A93
• Base-36: PHHKY5XV

Squares and roots of 1997172513427

• 1997172513427 squared (1997172513427²) is 3988698048388320495284329
• 1997172513427 cubed (1997172513427³) is 7966118106601071710078220849935185483
• The square root of 1997172513427 is 1413213.5413400909
• The cube root of 1997172513427 is 12593.2703490337

Scales and comparisons

• 1,997,172,513,427 seconds is equal to 63,503 years, 47 weeks, 1 day, 14 hours, 37 minutes, 7 seconds.
• To count from 1 to 1,997,172,513,427 would take you about one hundred fifty-eight thousand, seven hundred fifty-nine 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 1997172513427 cubic inches would be around 1049.4 feet tall.

Recreational maths with 1997172513427

• 1997172513427 backwards is 7243152717991
• The number of decimal digits it has is: 13
• The sum of 1997172513427's digits is 58
• More coming soon!