40021890909

Names of 40021890909

• Cardinal: 40021890909 can be written as Forty billion, twenty-one million, eight hundred ninety thousand, nine hundred nine.

Scientific notation

• Scientific notation: 4.0021890909 × 10¹⁰

Factors of 40021890909

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 101

Divisors of 40021890909

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 11 13 17 19 21 31 33 39 51 57 77 91 93 119 121 133 143 187 209 217 221 231 247 273 323 341 357 363 399 403 429 527 561 589 627 651 663 741 847 969 1001 1023 1209 1309 1331 1463 1547 1573 1581 1729 1767 2057 2261 2299 2387 2431 2541 2717 2821 3003 3553 3689 3751 3927 3993 4123 4199 4389 4433 4641 4719 5187 5797 6171 6479 6783 6851 6897 7161 7293 7657 8151 8463 9317 10013 10659 11011 11067 11253 12369 12597 13299 14399 14641 16093 17017 17303 17391 19019 19437 20553 22627 22971 24871 25289 26257 26741 27951 29393 29887 30039 31031 33033 39083 40579 41261 43197 43923 45353 46189 47957 48279 48763 51051 51909 53599 57057 63767 67881 70091 71269 74613 75361 75867 78771 80223 84227 88179 89661 93093 102487 110143 117249 121121 121737 123783 130169 136059 138567 143871 146289 158389 160797 177023 187187 190333 191301 209209 210273 213807 226083 248897 252681 273581 278179 288827 294151 307461 323323 328757 330429 341341 363363 390507 429913 446369 453871 475167 498883 508079 527527 531069 536393 561561 570999 589589 627627 701437 746691 771001 783959 820743 828971 834537 866481 882453 911183 926497 969969 986271 1024023 1211573 1289739 1332331 1339107 1361613 1431859 1496649 1524237 1582581 1609179 1742279 1768767 1947253 2059057 2104311 2301299 2313003 2351877 2486913 2733549 2779491 3009391 3177097 3235661 3556553 3616327 3634719 3754751 3996993 4295577 4729043 4910059 5226837 5487713 5588869 5802797 5841759 5900323 6177171 6485479 6903897 7715807 8481011 8623549 9028173 9118681 9531291 9706983 10023013 10191467 10669659 10848981 11264253 13327303 14187129 14730177 15750449 16463139 16766607 17408391 17700969 19456437 22649627 23147421 25314289 25443033 25870647 27356043 30069039 30574401 33103301 39122083 39981909 41302261 47251347 54010649 60364843 61477559 63830767 67948881 71340269 75942867 93291121 99309903 100305491 110253143 112106137 117366249 123906783 146600333 162031947 173254939 181094529 184432677 191492301 214020807 279873363 300916473 330759429 336318411 430342913 439800999 519764817 702138437 784742959 1026202331 1212784573 1291028739 1905804329 2106415311 2354228877 3078606993 3638353719 5717412987 13340630303 40021890909
• Sum of all divisors σ(n): 83117260800
• Sum of proper divisors (its aliquot sum) s(n): 43095369891
• 40021890909 is an abundant number, because the sum of its proper divisors (43095369891) is greater than itself. Its abundance is 3073478982

Bases of 40021890909

• Binary: 100101010001011111011001011101011101₂
• Hexadecimal: 0x9517D975D
• Base-36: IDW00NX

Squares and roots of 40021890909

• 40021890909 squared (40021890909²) is 1601751751931896846281
• 40021890909 cubed (40021890909³) is 64105133879118005579299324359429
• The square root of 40021890909 is 200054.7197868623
• The cube root of 40021890909 is 3420.5756617073

Scales and comparisons

• 40,021,890,909 seconds is equal to 1,272 years, 29 weeks, 5 days, 7 hours, 55 minutes, 9 seconds.
• To count from 1 to 40,021,890,909 would take you about two thousand, five hundred forty-five 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 40021890909 cubic inches would be around 285 feet tall.

Recreational maths with 40021890909

• 40021890909 backwards is 90909812004
• The number of decimal digits it has is: 11
• The sum of 40021890909's digits is 42
• More coming soon!