180985140
180,985,140 is an even composite number composed of six prime numbers multiplied together.
180985140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 180985140:
22 × 32 × 5 × 7 × 239 × 601
(2 × 2 × 3 × 3 × 5 × 7 × 239 × 601)See below for interesting mathematical facts about the number 180985140 from the Numbermatics database.
Names of 180985140
- Cardinal: 180985140 can be written as One hundred eighty million, nine hundred eighty-five thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.8098514 × 108
Factors of 180985140
Divisors of 180985140
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 239 252 315 420 478 601 630 717 956 1195 1202 1260 1434 1673 1803 2151 2390 2404 2868 3005 3346 3585 3606 4207 4302 4780 5019 5409 6010 6692 7170 7212 8365 8414 8604 9015 10038 10755 10818 12020 12621 14340 15057 16730 16828 18030 20076 21035 21510 21636 25095 25242 27045 30114 33460 36060 37863 42070 43020 50190 50484 54090 60228 63105 75285 75726 84140 100380 108180 126210 143639 150570 151452 189315 252420 287278 301140 378630 430917 574556 718195 757260 861834 1005473 1292751 1436390 1723668 2010946 2154585 2585502 2872780 3016419 4021892 4309170 5027365 5171004 6032838 6463755 8618340 9049257 10054730 12065676 12927510 15082095 18098514 20109460 25855020 30164190 36197028 45246285 60328380 90492570 180985140
- Sum of all divisors σ(n): 631088640
- Sum of proper divisors (its aliquot sum) s(n): 450103500
- 180985140 is an abundant number, because the sum of its proper divisors (450103500) is greater than itself. Its abundance is 269118360
Bases of 180985140
- Binary: 10101100100110011101001101002
- Hexadecimal: 0xAC99D34
- Base-36: 2ZR510
Squares and roots of 180985140
- 180985140 squared (1809851402) is 32755620900819600
- 180985140 cubed (1809851403) is 5928280634521761420744000
-
The
square root of 180985140 is 13453.0717681873 -
The
cube root of 180985140 is 565.6498018897
Scales and comparisons
How big is 180985140?- 180,985,140 seconds is equal to 5 years, 39 weeks, 1 day, 17 hours, 39 minutes.
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To count from 1 to 180,985,140 would take you about eight 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 180985140 cubic inches would be around 47.1 feet tall.
Recreational maths with 180985140
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