161997809120
161,997,809,120 is an even composite number composed of seven prime numbers multiplied together.
161997809120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 161997809120:
25 × 5 × 7 × 19 × 137 × 181 × 307
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 137 × 181 × 307)See below for interesting mathematical facts about the number 161997809120 from the Numbermatics database.
Names of 161997809120
- Cardinal: 161997809120 can be written as One hundred sixty-one billion, nine hundred ninety-seven million, eight hundred nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.6199780912 × 1011
Factors of 161997809120
Divisors of 161997809120
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 70 76 80 95 112 133 137 140 152 160 181 190 224 266 274 280 304 307 362 380 532 548 560 608 614 665 685 724 760 905 959 1064 1096 1120 1228 1267 1330 1370 1448 1520 1535 1810 1918 2128 2149 2192 2456 2534 2603 2660 2740 2896 3040 3070 3439 3620 3836 4256 4298 4384 4795 4912 5068 5206 5320 5480 5792 5833 6140 6335 6878 7240 7672 8596 9590 9824 10136 10412 10640 10745 10960 11666 12280 12670 13015 13756 14480 15344 17192 17195 18221 19180 20272 20824 21280 21490 21920 23332 24073 24560 24797 25340 26030 27512 28960 29165 30688 34384 34390 36442 38360 40544 40831 41648 42059 42980 46664 48146 49120 49594 50680 52060 55024 55567 58330 68768 68780 72884 76720 81662 83296 84118 85960 91105 93328 96292 99188 101360 104120 110048 111134 116660 120365 123985 137560 145768 153440 163324 168236 171920 173579 182210 186656 192584 198376 202720 204155 208240 210295 222268 233320 240730 247970 275120 277835 291536 294413 326648 336472 343840 347158 364420 385168 388969 396752 408310 416480 420590 444536 466640 471143 481460 495940 550240 555670 583072 588826 653296 672944 694316 728840 770336 777938 793504 799121 816620 841180 867895 889072 933280 942286 962920 991880 1055773 1111340 1177652 1306592 1345888 1388632 1457680 1472065 1555876 1598242 1633240 1682360 1735790 1778144 1884572 1925840 1944845 1983760 2111546 2222680 2355304 2355715 2777264 2915360 2944130 3111752 3196484 3266480 3298001 3364720 3471580 3769144 3851680 3889690 3967520 3995605 4223092 4445360 4710608 4711430 5278865 5554528 5593847 5888260 6223504 6392968 6532960 6596002 6729440 6943160 7390411 7538288 7612679 7779380 7991210 8446184 8890720 9421216 9422860 10557730 11187694 11776520 12447008 12785936 13192004 13886320 14780822 15076576 15225358 15558760 15982420 16490005 16892368 18845720 21115460 22375388 23553040 25571872 26384008 27772640 27969235 29561644 30450716 31117520 31964840 32980010 33784736 36952055 37691440 38063395 42230920 44750776 47106080 52768016 53288753 55938470 59123288 60901432 62235040 63929680 65960020 73904110 75382880 76126790 84461840 89501552 105536032 106577506 111876940 118246576 121802864 127859360 131920040 144640901 147808220 152253580 168923680 179003104 213155012 223753880 236493152 243605728 263840080 266443765 289281802 295616440 304507160 426310024 447507760 527680160 532887530 578563604 591232880 609014320 723204505 852620048 895015520 1012486307 1065775060 1157127208 1182465760 1218028640 1446409010 1705240096 2024972614 2131550120 2314254416 2892818020 4049945228 4263100240 4628508832 5062431535 5785636040 8099890456 8526200480 10124863070 11571272080 16199780912 20249726140 23142544160 32399561824 40499452280 80998904560 161997809120
- Sum of all divisors σ(n): 467856829440
- Sum of proper divisors (its aliquot sum) s(n): 305859020320
- 161997809120 is an abundant number, because the sum of its proper divisors (305859020320) is greater than itself. Its abundance is 143861211200
Bases of 161997809120
- Binary: 100101101101111101001001100101111000002
- Hexadecimal: 0x25B7D265E0
- Base-36: 22F5B9I8
Squares and roots of 161997809120
- 161997809120 squared (1619978091202) is 26243290159679955174400
- 161997809120 cubed (1619978091203) is 4251355509968607698632607510528000
-
The
square root of 161997809120 is 402489.5142981987 -
The
cube root of 161997809120 is 5451.3372037365
Scales and comparisons
How big is 161997809120?- 161,997,809,120 seconds is equal to 5,151 years, 1 week, 3 days, 15 hours, 25 minutes, 20 seconds.
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To count from 1 to 161,997,809,120 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 161997809120 cubic inches would be around 454.3 feet tall.
Recreational maths with 161997809120
- 161997809120 backwards is 021908799161
- The number of decimal digits it has is: 12
- The sum of 161997809120's digits is 53
- More coming soon!
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The information we have on file for 161997809120 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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