18989509968
18,989,509,968 is an even composite number composed of six prime numbers multiplied together.
18989509968 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 18989509968:
24 × 33 × 11 × 13 × 97 × 3169
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 13 × 97 × 3169)See below for interesting mathematical facts about the number 18989509968 from the Numbermatics database.
Names of 18989509968
- Cardinal: 18989509968 can be written as Eighteen billion, nine hundred eighty-nine million, five hundred nine thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.8989509968 × 1010
Factors of 18989509968
Divisors of 18989509968
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 33 36 39 44 48 52 54 66 72 78 88 97 99 104 108 117 132 143 144 156 176 194 198 208 216 234 264 286 291 297 312 351 388 396 429 432 468 528 572 582 594 624 702 776 792 858 873 936 1067 1144 1164 1188 1261 1287 1404 1552 1584 1716 1746 1872 2134 2288 2328 2376 2522 2574 2619 2808 3169 3201 3432 3492 3783 3861 4268 4656 4752 5044 5148 5238 5616 6338 6402 6864 6984 7566 7722 8536 9507 9603 10088 10296 10476 11349 12676 12804 13871 13968 15132 15444 17072 19014 19206 20176 20592 20952 22698 25352 25608 27742 28521 28809 30264 30888 34047 34859 38028 38412 41197 41613 41904 45396 50704 51216 55484 57042 57618 60528 61776 68094 69718 76056 76824 82394 83226 85563 90792 104577 110968 114084 115236 123591 124839 136188 139436 152112 153648 164788 166452 171126 181584 209154 221936 228168 230472 247182 249678 272376 278872 307393 313731 329576 332904 342252 370773 374517 418308 453167 456336 460944 494364 499356 544752 557744 614786 627462 659152 665808 684504 741546 749034 836616 906334 922179 941193 988728 998712 1112319 1229572 1254924 1359501 1369008 1483092 1498068 1673232 1812668 1844358 1882386 1977456 1997424 2224638 2459144 2509848 2719002 2766537 2966184 2996136 3381323 3625336 3688716 3764772 3996109 4078503 4449276 4918288 5019696 5438004 5533074 5932368 5992272 6762646 7250672 7377432 7529544 7992218 8157006 8299611 8898552 10143969 10876008 11066148 11988327 12235509 13525292 14754864 15059088 15984436 16314012 16599222 17797104 20287938 21752016 22132296 23976654 24471018 27050584 30431907 31968872 32628024 33198444 35964981 40575876 43957199 44264592 47953308 48942036 54101168 60863814 63937744 65256048 66396888 71929962 81151752 87914398 91295721 95906616 97884072 107894943 121727628 131871597 132793776 143859924 162303504 175828796 182591442 191813232 195768144 215789886 243455256 263743194 287719848 351657592 365182884 395614791 431579772 486910512 527486388 575439696 703315184 730365768 791229582 863159544 1054972776 1186844373 1460731536 1582459164 1726319088 2109945552 2373688746 3164918328 4747377492 6329836656 9494754984 18989509968
- Sum of all divisors σ(n): 64716691200
- Sum of proper divisors (its aliquot sum) s(n): 45727181232
- 18989509968 is an abundant number, because the sum of its proper divisors (45727181232) is greater than itself. Its abundance is 26737671264
Bases of 18989509968
- Binary: 100011010111101110011101101010100002
- Hexadecimal: 0x46BDCED50
- Base-36: 8Q1V3O0
Squares and roots of 18989509968
- 18989509968 squared (189895099682) is 360601488824771361024
- 18989509968 cubed (189895099683) is 6847645566513636365486174687232
-
The
square root of 18989509968 is 137802.4309219543 -
The
cube root of 18989509968 is 2667.9104772881
Scales and comparisons
How big is 18989509968?- 18,989,509,968 seconds is equal to 603 years, 41 weeks, 6 days, 23 hours, 52 minutes, 48 seconds.
-
To count from 1 to 18,989,509,968 would take you about one thousand, two hundred seven 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 18989509968 cubic inches would be around 222.3 feet tall.
Recreational maths with 18989509968
- 18989509968 backwards is 86990598981
- 18989509968 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18989509968's digits is 72
- More coming soon!
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