81742432912830
81,742,432,912,830 is an even composite number composed of five prime numbers multiplied together.
81742432912830 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 81742432912830:
2 × 35 × 5 × 372 × 49572
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 37 × 37 × 4957 × 4957)See below for interesting mathematical facts about the number 81742432912830 from the Numbermatics database.
Names of 81742432912830
- Cardinal: 81742432912830 can be written as Eighty-one trillion, seven hundred forty-two billion, four hundred thirty-two million, nine hundred twelve thousand, eight hundred thirty.
Scientific notation
- Scientific notation: 8.174243291283 × 1013
Factors of 81742432912830
Divisors of 81742432912830
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 37 45 54 74 81 90 111 135 162 185 222 243 270 333 370 405 486 555 666 810 999 1110 1215 1369 1665 1998 2430 2738 2997 3330 4107 4957 4995 5994 6845 8214 8991 9914 9990 12321 13690 14871 14985 17982 20535 24642 24785 29742 29970 36963 41070 44613 44955 49570 61605 73926 74355 89226 89910 110889 123210 133839 148710 183409 184815 221778 223065 267678 332667 366818 369630 401517 446130 550227 554445 665334 669195 803034 917045 1100454 1108890 1204551 1338390 1650681 1663335 1834090 2007585 2409102 2751135 3301362 3326670 4015170 4952043 5502270 6022755 6786133 8253405 9904086 12045510 13572266 14856129 16506810 20358399 24571849 24760215 29712258 33930665 40716798 44568387 49143698 49520430 61075197 67861330 73715547 74280645 89136774 101791995 122150394 122859245 147431094 148561290 183225591 203583990 221146641 222841935 245718490 305375985 366451182 368577735 442293282 445683870 549676773 610751970 663439923 737155470 909158413 916127955 1099353546 1105733205 1326879846 1649030319 1818316826 1832255910 1990319769 2211466410 2727475239 2748383865 3298060638 3317199615 3980639538 4545792065 5454950478 5496767730 5970959307 6634399230 8182425717 8245151595 9091584130 9951598845 11941918614 13637376195 16364851434 16490303190 19903197690 24547277151 27274752390 29854796535 33638861281 40912128585 49094554302 59709593070 67277722562 73641831453 81824257170 100916583843 122736385755 147283662906 168194306405 201833167686 220925494359 245472771510 302749751529 336388612810 368209157265 441850988718 504582919215 605499503058 736418314530 908249254587 1009165838430 1104627471795 1513748757645 1816498509174 2209254943590 2724747763761 3027497515290 4541246272935 5449495527522 8174243291283 9082492545870 13623738818805 16348486582566 27247477637610 40871216456415 81742432912830
- Sum of all divisors σ(n): 226565325925848
- Sum of proper divisors (its aliquot sum) s(n): 144822893013018
- 81742432912830 is an abundant number, because the sum of its proper divisors (144822893013018) is greater than itself. Its abundance is 63080460100188
Bases of 81742432912830
- Binary: 100101001011000001001001010110101000101101111102
- Hexadecimal: 0x4A5824AD45BE
- Base-36: SZ3YE11VI
Squares and roots of 81742432912830
- 81742432912830 squared (817424329128302) is 6681825338508513238378608900
- 81742432912830 cubed (817424329128303) is 546188659468279748559989367651990362187000
-
The
square root of 81742432912830 is 9041152.1894518511 -
The
cube root of 81742432912830 is 43399.2795283481
Scales and comparisons
How big is 81742432912830?- 81,742,432,912,830 seconds is equal to 2,599,156 years, 27 weeks, 12 hours, 40 minutes, 30 seconds.
-
To count from 1 to 81,742,432,912,830 would take you about six million, four hundred ninety-seven thousand, eight hundred ninety-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 81742432912830 cubic inches would be around 3616.6 feet tall.
Recreational maths with 81742432912830
- 81742432912830 backwards is 03821923424718
- 81742432912830 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81742432912830's digits is 54
- More coming soon!
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