161998428880
161,998,428,880 is an even composite number composed of six prime numbers multiplied together.
161998428880 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 161998428880:
24 × 5 × 29 × 73 × 229 × 4177
(2 × 2 × 2 × 2 × 5 × 29 × 73 × 229 × 4177)See below for interesting mathematical facts about the number 161998428880 from the Numbermatics database.
Names of 161998428880
- Cardinal: 161998428880 can be written as One hundred sixty-one billion, nine hundred ninety-eight million, four hundred twenty-eight thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.6199842888 × 1011
Factors of 161998428880
Divisors of 161998428880
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 16 20 29 40 58 73 80 116 145 146 229 232 290 292 365 458 464 580 584 730 916 1145 1160 1168 1460 1832 2117 2290 2320 2920 3664 4177 4234 4580 5840 6641 8354 8468 9160 10585 13282 16708 16717 16936 18320 20885 21170 26564 33205 33416 33434 33872 41770 42340 53128 66410 66832 66868 83540 83585 84680 106256 121133 132820 133736 167080 167170 169360 242266 265640 267472 304921 334160 334340 484532 484793 531280 605665 609842 668680 956533 969064 969586 1211330 1219684 1337360 1524605 1913066 1938128 1939172 2422660 2423965 2439368 3049210 3826132 3878344 4782665 4845320 4847930 4878736 6098420 7652264 7756688 8842709 9565330 9690640 9695860 12196840 15304528 17685418 19130660 19391720 24393680 27739457 35370836 38261320 38783440 44213545 55478914 69826909 70741672 76522640 88427090 110957828 138697285 139653818 141483344 176854180 221915656 277394570 279307636 349134545 353708360 443831312 554789140 558615272 698269090 707416720 1109578280 1117230544 1396538180 2024980361 2219156560 2793076360 4049960722 5586152720 8099921444 10124901805 16199842888 20249803610 32399685776 40499607220 80999214440 161998428880
- Sum of all divisors σ(n): 396791344800
- Sum of proper divisors (its aliquot sum) s(n): 234792915920
- 161998428880 is an abundant number, because the sum of its proper divisors (234792915920) is greater than itself. Its abundance is 72794487040
Bases of 161998428880
- Binary: 100101101101111101101111011010110100002
- Hexadecimal: 0x25B7DBDAD0
- Base-36: 22F5OJPS
Squares and roots of 161998428880
- 161998428880 squared (1619984288802) is 26243490959588418054400
- 161998428880 cubed (1619984288803) is 4251404303779807296257426371072000
-
The
square root of 161998428880 is 402490.2842057185 -
The
cube root of 161998428880 is 5451.3441555103
Scales and comparisons
How big is 161998428880?- 161,998,428,880 seconds is equal to 5,151 years, 2 weeks, 3 days, 19 hours, 34 minutes, 40 seconds.
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To count from 1 to 161,998,428,880 would take you about ten thousand, three hundred two 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 161998428880 cubic inches would be around 454.3 feet tall.
Recreational maths with 161998428880
- 161998428880 backwards is 088824899161
- The number of decimal digits it has is: 12
- The sum of 161998428880's digits is 64
- More coming soon!
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