1997818392492

Names of 1997818392492

• Cardinal: 1997818392492 can be written as One trillion, nine hundred ninety-seven billion, eight hundred eighteen million, three hundred ninety-two thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 1.997818392492 × 10¹²

Factors of 1997818392492

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 250044

Divisors of 1997818392492

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 351 468 702 1404 5827 11654 17481 23308 34962 52443 69924 75751 104886 151502 157329 209772 227253 244199 303004 314658 454506 488398 629316 681759 732597 909012 976796 1363518 1465194 2045277 2197791 2727036 2930388 3174587 4090554 4395582 6349174 6593373 8181108 8791164 9523761 12698348 13186746 19047522 26373492 28571283 38095044 57142566 85713849 114285132 171427698 342855396 1422947573 2845895146 4268842719 5691790292 8537685438 12806528157 17075370876 18498318449 25613056314 36996636898 38419584471 51226112628 55494955347 73993273796 76839168942 110989910694 153678337884 166484866041 221979821388 332969732082 499454598123 665939464164 998909196246 1997818392492
• Sum of all divisors σ(n): 5578934592000
• Sum of proper divisors (its aliquot sum) s(n): 3581116199508
• 1997818392492 is an abundant number, because the sum of its proper divisors (3581116199508) is greater than itself. Its abundance is 1583297807016

Bases of 1997818392492

• Binary: 11101000100100111010000010110111110101100₂
• Hexadecimal: 0x1D127416FAC
• Base-36: PHS9HLF0

Squares and roots of 1997818392492

• 1997818392492 squared (1997818392492²) is 3991278329379318961970064
• 1997818392492 cubed (1997818392492³) is 7973849255988746304712767341906359488
• The square root of 1997818392492 is 1413442.0371886497
• The cube root of 1997818392492 is 12594.6277435457

Scales and comparisons

• 1,997,818,392,492 seconds is equal to 63,524 years, 23 weeks, 1 day, 1 hour, 28 minutes, 12 seconds.
• To count from 1 to 1,997,818,392,492 would take you about one hundred fifty-eight thousand, eight hundred eleven 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 1997818392492 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1997818392492

• 1997818392492 backwards is 2942938187991
• The number of decimal digits it has is: 13
• The sum of 1997818392492's digits is 72
• More coming soon!