161999033742
161,999,033,742 is an even composite number composed of eight prime numbers multiplied together.
161999033742 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 161999033742:
2 × 32 × 7 × 13 × 17 × 31 × 67 × 2801
(2 × 3 × 3 × 7 × 13 × 17 × 31 × 67 × 2801)See below for interesting mathematical facts about the number 161999033742 from the Numbermatics database.
Names of 161999033742
- Cardinal: 161999033742 can be written as One hundred sixty-one billion, nine hundred ninety-nine million, thirty-three thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 1.61999033742 × 1011
Factors of 161999033742
Divisors of 161999033742
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 6 7 9 13 14 17 18 21 26 31 34 39 42 51 62 63 67 78 91 93 102 117 119 126 134 153 182 186 201 217 221 234 238 273 279 306 357 402 403 434 442 469 527 546 558 603 651 663 714 806 819 871 938 1054 1071 1139 1206 1209 1302 1326 1407 1547 1581 1638 1742 1953 1989 2077 2142 2278 2418 2613 2801 2814 2821 3094 3162 3417 3627 3689 3906 3978 4154 4221 4641 4743 5226 5602 5642 6097 6231 6834 6851 7254 7378 7839 7973 8403 8442 8463 9282 9486 10251 11067 12194 12462 13702 13923 14539 14807 15678 15946 16806 16926 18291 18693 19607 20502 20553 22134 23919 25209 25389 27001 27846 29078 29614 33201 35309 36413 36582 37386 39214 41106 43617 44421 47617 47838 47957 50418 50778 54002 54873 58821 61659 66402 70618 71757 72826 81003 86831 87234 88842 95234 95914 103649 105927 109239 109746 117642 123318 130851 133263 142851 143514 143871 162006 173662 176463 187667 189007 207298 211854 218478 243009 247163 254891 260493 261702 266526 285702 287742 310947 317781 327717 333319 352926 375334 378014 428553 431613 459017 486018 494326 509782 520986 563001 567021 607817 619021 621894 635562 655434 666638 741489 764673 781479 857106 863226 918034 932841 999957 1126002 1128803 1134042 1215634 1238042 1313669 1377051 1476127 1482978 1529346 1562958 1689003 1701063 1823451 1857063 1865682 1999914 2224467 2257606 2294019 2439671 2627338 2754102 2952254 2999871 3190339 3213119 3378006 3386409 3402126 3646902 3714126 3941007 4131153 4333147 4428381 4448934 4588038 4879342 5470353 5571189 5817677 5999742 6380678 6426238 6772818 7319013 7882014 7901621 8262306 8666294 8856762 9571017 9639357 10159227 10332889 10940706 11142378 11635354 11823021 12999441 13285143 14638026 15803242 17077697 17453031 19142034 19189651 19278714 20318454 20665778 21957039 22332373 23646042 23704863 25998882 26570286 28713051 28918071 30998667 34155394 34906062 38379302 38998323 40723739 41474407 43914078 44664746 47409726 51233091 52359093 57426102 57568953 57836142 61997334 66997119 71114589 75629801 77996646 81447478 82948814 92996001 98900509 102466182 104718186 115137906 122171217 124423221 133994238 134327557 142229178 151259602 153699273 172706859 185992002 197801018 200991357 226889403 244342434 248846442 268655114 290320849 296701527 307398546 345413718 366513651 373269663 401982714 402982671 453778806 529408607 580641698 593403054 680668209 692303563 733027302 746539326 805965342 870962547 890104581 1058817214 1208948013 1285706617 1361336418 1384607126 1588225821 1741925094 1780209162 2076910689 2417896026 2571413234 2612887641 3176451642 3857119851 4153821378 4764677463 5225775282 6230732067 7714239702 8999946319 9529354926 11571359553 12461464134 17999892638 23142719106 26999838957 53999677914 80999516871 161999033742
- Sum of all divisors σ(n): 479382478848
- Sum of proper divisors (its aliquot sum) s(n): 317383445106
- 161999033742 is an abundant number, because the sum of its proper divisors (317383445106) is greater than itself. Its abundance is 155384411364
Bases of 161999033742
- Binary: 100101101101111110010100010101100011102
- Hexadecimal: 0x25B7E5158E
- Base-36: 22F61IFI
Squares and roots of 161999033742
- 161999033742 squared (1619990337422) is 26243686933341654522564
- 161999033742 cubed (1619990337423) is 4251451925028899195814952336354488
-
The
square root of 161999033742 is 402491.0356045213 -
The
cube root of 161999033742 is 5451.3509401581
Scales and comparisons
How big is 161999033742?- 161,999,033,742 seconds is equal to 5,151 years, 3 weeks, 3 days, 19 hours, 35 minutes, 42 seconds.
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To count from 1 to 161,999,033,742 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 161999033742 cubic inches would be around 454.3 feet tall.
Recreational maths with 161999033742
- 161999033742 backwards is 247330999161
- The number of decimal digits it has is: 12
- The sum of 161999033742's digits is 54
- More coming soon!
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The information we have on file for 161999033742 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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