18899089209
18,899,089,209 is an odd composite number composed of seven prime numbers multiplied together.
18899089209 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 18899089209:
34 × 7 × 11 × 13 × 31 × 73 × 103
(3 × 3 × 3 × 3 × 7 × 11 × 13 × 31 × 73 × 103)See below for interesting mathematical facts about the number 18899089209 from the Numbermatics database.
Names of 18899089209
- Cardinal: 18899089209 can be written as Eighteen billion, eight hundred ninety-nine million, eighty-nine thousand, two hundred nine.
Scientific notation
- Scientific notation: 1.8899089209 × 1010
Factors of 18899089209
Divisors of 18899089209
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 7 9 11 13 21 27 31 33 39 63 73 77 81 91 93 99 103 117 143 189 217 219 231 273 279 297 309 341 351 403 429 511 567 651 657 693 721 803 819 837 891 927 949 1001 1023 1053 1133 1209 1287 1339 1533 1953 1971 2079 2163 2263 2387 2409 2457 2511 2781 2821 2847 3003 3069 3193 3399 3627 3861 4017 4433 4599 5621 5859 5913 6237 6489 6643 6789 7161 7227 7371 7519 7931 8343 8463 8541 9009 9207 9373 9579 10197 10439 10881 11583 12051 13299 13797 14729 15841 16863 17577 19467 19929 20367 21483 21681 22351 22557 23793 24893 25389 25623 27027 27621 28119 28737 29419 30591 31031 31317 32643 35123 36153 39897 41391 41509 44187 47523 50589 52633 58401 59787 61101 64449 65043 67053 67671 71379 73073 74679 76167 76869 81081 82709 84357 86211 88257 91773 93093 93951 97747 103103 105369 108459 119691 124527 132561 142569 151767 157899 174251 179361 183303 193347 201159 203013 205933 214137 219219 224037 228501 233089 245861 248127 253071 258633 264771 279279 281853 290563 293241 309309 316107 323609 359073 373581 397683 427707 455301 456599 473697 522753 538083 578963 603477 609039 617799 642411 657657 672111 684229 699267 737583 744381 759213 794313 837837 845559 871689 879723 927927 948321 970827 1075217 1120743 1193049 1283121 1369797 1421091 1568259 1631623 1736889 1810431 1853397 1972971 2016333 2052687 2097801 2212749 2233143 2265263 2382939 2513511 2563979 2615067 2639169 2783781 2844963 2912481 3030157 3196193 3225651 3362229 4109391 4263273 4704777 4894869 5210667 5560191 5918913 6158061 6293403 6638247 6699429 6795789 7526519 7691937 7845201 7917507 8351343 8737443 9090471 9588579 9676953 12328173 14114331 14684607 15632001 16680573 17947853 18474183 18880209 19914741 20387367 21211099 22579557 23075811 23535603 26212329 27271413 28765737 29030859 33331727 36984519 44053821 46896003 53843559 55422549 61162101 63633297 67738671 69227433 81814239 86297211 87092577 99995181 132161463 161530677 183486303 190899891 203216013 207682299 233322089 245442717 258891633 299985543 484592031 572699673 609648039 699966267 899956629 1453776093 1718099019 2099898801 2699869887 6299696403 18899089209
- Sum of all divisors σ(n): 40049737728
- Sum of proper divisors (its aliquot sum) s(n): 21150648519
- 18899089209 is an abundant number, because the sum of its proper divisors (21150648519) is greater than itself. Its abundance is 2251559310
Bases of 18899089209
- Binary: 100011001100111100100110111001110012
- Hexadecimal: 0x466793739
- Base-36: 8OK12K9
Squares and roots of 18899089209
- 18899089209 squared (188990892092) is 357175572929740245681
- 18899089209 cubed (188990892093) is 6750293016074846392322795956329
-
The
square root of 18899089209 is 137473.9582939257 -
The
cube root of 18899089209 is 2663.6692164469
Scales and comparisons
How big is 18899089209?- 18,899,089,209 seconds is equal to 600 years, 48 weeks, 3 days, 11 hours, 9 seconds.
-
To count from 1 to 18,899,089,209 would take you about one thousand, two hundred one 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 18899089209 cubic inches would be around 222 feet tall.
Recreational maths with 18899089209
- 18899089209 backwards is 90298099881
- 18899089209 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18899089209's digits is 63
- More coming soon!
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