18013515312
18,013,515,312 is an even composite number composed of five prime numbers multiplied together.
18013515312 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 18013515312:
24 × 3 × 132 × 412 × 1321
(2 × 2 × 2 × 2 × 3 × 13 × 13 × 41 × 41 × 1321)See below for interesting mathematical facts about the number 18013515312 from the Numbermatics database.
Names of 18013515312
- Cardinal: 18013515312 can be written as Eighteen billion, thirteen million, five hundred fifteen thousand, three hundred twelve.
Scientific notation
- Scientific notation: 1.8013515312 × 1010
Factors of 18013515312
Divisors of 18013515312
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 39 41 48 52 78 82 104 123 156 164 169 208 246 312 328 338 492 507 533 624 656 676 984 1014 1066 1321 1352 1599 1681 1968 2028 2132 2642 2704 3198 3362 3963 4056 4264 5043 5284 6396 6724 6929 7926 8112 8528 10086 10568 12792 13448 13858 15852 17173 20172 20787 21136 21853 25584 26896 27716 31704 34346 40344 41574 43706 51519 54161 55432 63408 65559 68692 80688 83148 87412 103038 108322 110864 131118 137384 162483 166296 174824 206076 216644 223249 262236 274768 284089 324966 332592 349648 412152 433288 446498 524472 568178 649932 669747 704093 824304 852267 866576 892996 1048944 1136356 1299864 1339494 1408186 1704534 1785992 2112279 2220601 2272712 2599728 2678988 2816372 3409068 3571984 4224558 4441202 4545424 5357976 5632744 6661803 6818136 8449116 8882404 9153209 10715952 11265488 13323606 13636272 16898232 17764808 18306418 26647212 27459627 28867813 33796464 35529616 36612836 53294424 54919254 57735626 73225672 86603439 106588848 109838508 115471252 146451344 173206878 219677016 230942504 346413756 375281569 439354032 461885008 692827512 750563138 1125844707 1385655024 1501126276 2251689414 3002252552 4503378828 6004505104 9006757656 18013515312
- Sum of all divisors σ(n): 51687973752
- Sum of proper divisors (its aliquot sum) s(n): 33674458440
- 18013515312 is an abundant number, because the sum of its proper divisors (33674458440) is greater than itself. Its abundance is 15660943128
Bases of 18013515312
- Binary: 100001100011011000001101110001100002
- Hexadecimal: 0x431B06E30
- Base-36: 89WS5DC
Squares and roots of 18013515312
- 18013515312 squared (180135153122) is 324486733895658457344
- 18013515312 cubed (180135153123) is 5845146749570313031688442851328
-
The
square root of 18013515312 is 134214.4377926607 -
The
cube root of 18013515312 is 2621.3971585835
Scales and comparisons
How big is 18013515312?- 18,013,515,312 seconds is equal to 572 years, 40 weeks, 1 day, 18 hours, 15 minutes, 12 seconds.
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To count from 1 to 18,013,515,312 would take you about one thousand, one 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 18013515312 cubic inches would be around 218.4 feet tall.
Recreational maths with 18013515312
- 18013515312 backwards is 21351531081
- The number of decimal digits it has is: 11
- The sum of 18013515312's digits is 30
- More coming soon!
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