1990457469

Names of 1990457469

• Cardinal: 1990457469 can be written as One billion, nine hundred ninety million, four hundred fifty-seven thousand, four hundred sixty-nine.

Scientific notation

• Scientific notation: 1.990457469 × 10⁹

Factors of 1990457469

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 201

Divisors of 1990457469

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 49 63 77 81 91 99 117 143 147 167 189 231 243 273 297 343 351 429 441 501 539 567 637 693 819 891 1001 1029 1053 1169 1287 1323 1503 1617 1701 1837 1911 2079 2171 2457 2673 3003 3087 3159 3507 3773 3861 3969 4459 4509 4851 5511 5733 6237 6513 7007 7371 8183 9009 9261 10521 11319 11583 11907 12859 13377 13527 14553 15197 16533 17199 18711 19539 21021 22113 23881 24549 27027 27783 31563 33957 34749 38577 40131 40581 43659 45591 49049 49599 51597 57281 58617 63063 71643 73647 81081 83349 90013 94689 101871 106379 115731 120393 130977 136773 147147 148797 154791 167167 171843 175851 189189 214929 220941 243243 270039 284067 305613 319137 347193 361179 410319 441441 446391 501501 515529 527553 567567 630091 644787 662823 744653 810117 916839 957411 1041579 1083537 1170169 1230957 1324323 1504503 1546587 1702701 1890273 1934361 1988469 2233959 2430351 2872233 3124737 3510507 3692871 3972969 4513509 4639761 5670819 5803083 6701877 7291053 8191183 8616699 10531521 11918907 13540527 13919283 17012457 20105631 21873159 24573549 25850097 31594563 40621581 51037371 60316893 73720647 94783689 153112113 180950679 221161941 284351067 663485823 1990457469
• Sum of all divisors σ(n): 4109414400
• Sum of proper divisors (its aliquot sum) s(n): 2118956931
• 1990457469 is an abundant number, because the sum of its proper divisors (2118956931) is greater than itself. Its abundance is 128499462

Bases of 1990457469

• Binary: 1110110101000111111100001111101₂
• Hexadecimal: 0x76A3F87D
• Base-36: WX2ET9

Squares and roots of 1990457469

• 1990457469 squared (1990457469²) is 3961920935897885961
• 1990457469 cubed (1990457469³) is 7886035118445417332382692709
• The square root of 1990457469 is 44614.5432454485
• The cube root of 1990457469 is 1257.9140485777

Scales and comparisons

• 1,990,457,469 seconds is equal to 63 years, 15 weeks, 16 hours, 51 minutes, 9 seconds.
• To count from 1 to 1,990,457,469 would take you about one hundred twenty-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 1990457469 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990457469

• 1990457469 backwards is 9647540991
• The number of decimal digits it has is: 10
• The sum of 1990457469's digits is 54
• More coming soon!