161369985040
161,369,985,040 is an even composite number composed of five prime numbers multiplied together.
161369985040 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 161369985040:
24 × 5 × 112 × 1732 × 557
(2 × 2 × 2 × 2 × 5 × 11 × 11 × 173 × 173 × 557)See below for interesting mathematical facts about the number 161369985040 from the Numbermatics database.
Names of 161369985040
- Cardinal: 161369985040 can be written as One hundred sixty-one billion, three hundred sixty-nine million, nine hundred eighty-five thousand and forty.
Scientific notation
- Scientific notation: 1.6136998504 × 1011
Factors of 161369985040
Divisors of 161369985040
- Number of divisors d(n): 180
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 121 173 176 220 242 346 440 484 557 605 692 865 880 968 1114 1210 1384 1730 1903 1936 2228 2420 2768 2785 3460 3806 4456 4840 5570 6127 6920 7612 8912 9515 9680 11140 12254 13840 15224 19030 20933 22280 24508 29929 30448 30635 38060 41866 44560 49016 59858 61270 67397 76120 83732 96361 98032 104665 119716 122540 134794 149645 152240 167464 192722 209330 239432 245080 269588 299290 329219 334928 336985 385444 418660 478864 481805 490160 539176 598580 658438 673970 770888 837320 963610 1059971 1078352 1197160 1316876 1347940 1541776 1646095 1674640 1927220 2119942 2394320 2633752 2695880 3292190 3621409 3854440 4239884 5267504 5299855 5391760 6584380 7242818 7708880 8479768 10599710 11659681 13168760 14485636 16670453 16959536 18107045 21199420 23319362 26337520 28971272 33340906 36214090 42398840 46638724 57942544 58298405 66681812 72428180 83352265 84797680 93277448 116596810 133363624 144856360 166704530 183374983 186554896 233193620 266727248 289712720 333409060 366749966 466387240 666818120 733499932 916874915 932774480 1333636240 1466999864 1833749830 2017124813 2933999728 3667499660 4034249626 7334999320 8068499252 10085624065 14669998640 16136998504 20171248130 32273997008 40342496260 80684992520 161369985040
- Sum of all divisors σ(n): 415535911812
- Sum of proper divisors (its aliquot sum) s(n): 254165926772
- 161369985040 is an abundant number, because the sum of its proper divisors (254165926772) is greater than itself. Its abundance is 92795941732
Bases of 161369985040
- Binary: 100101100100100110011010010000000100002
- Hexadecimal: 0x2592669010
- Base-36: 224RITCG
Squares and roots of 161369985040
- 161369985040 squared (1613699850402) is 26040272071809823801600
- 161369985040 cubed (1613699850403) is 4202118314665481072589227928064000
-
The
square root of 161369985040 is 401708.8311700403 -
The
cube root of 161369985040 is 5444.2858499495
Scales and comparisons
How big is 161369985040?- 161,369,985,040 seconds is equal to 5,131 years, 3 weeks, 3 days, 3 hours, 50 minutes, 40 seconds.
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To count from 1 to 161,369,985,040 would take you about ten thousand, two hundred sixty-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 161369985040 cubic inches would be around 453.7 feet tall.
Recreational maths with 161369985040
- 161369985040 backwards is 040589963161
- The number of decimal digits it has is: 12
- The sum of 161369985040's digits is 52
- More coming soon!
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