161689043977920
161,689,043,977,920 is an even composite number composed of five prime numbers multiplied together.
161689043977920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 161689043977920:
26 × 32 × 5 × 179 × 313642621
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 179 × 313642621)See below for interesting mathematical facts about the number 161689043977920 from the Numbermatics database.
Names of 161689043977920
- Cardinal: 161689043977920 can be written as One hundred sixty-one trillion, six hundred eighty-nine billion, forty-three million, nine hundred seventy-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.6168904397792 × 1014
Factors of 161689043977920
Divisors of 161689043977920
- Number of divisors d(n): 168
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 179 180 192 240 288 320 358 360 480 537 576 716 720 895 960 1074 1432 1440 1611 1790 2148 2685 2864 2880 3222 3580 4296 5370 5728 6444 7160 8055 8592 10740 11456 12888 14320 16110 17184 21480 25776 28640 32220 34368 42960 51552 57280 64440 85920 103104 128880 171840 257760 515520 313642621 627285242 940927863 1254570484 1568213105 1881855726 2509140968 2822783589 3136426210 3763711452 4704639315 5018281936 5645567178 6272852420 7527422904 9409278630 10036563872 11291134356 12545704840 14113917945 15054845808 18818557260 20073127744 22582268712 25091409680 28227835890 30109691616 37637114520 45164537424 50182819360 56142029159 56455671780 60219383232 75274229040 90329074848 100365638720 112284058318 112911343560 150548458080 168426087477 180658149696 224568116636 225822687120 280710145795 301096916160 336852174954 449136233272 451645374240 505278262431 561420291590 673704349908 842130437385 898272466544 903290748480 1010556524862 1122840583180 1347408699816 1684260874770 1796544933088 2021113049724 2245681166360 2526391312155 2694817399632 3368521749540 3593089866176 4042226099448 4491362332720 5052782624310 5389634799264 6737043499080 8084452198896 8982724665440 10105565248620 10779269598528 13474086998160 16168904397792 17965449330880 20211130497240 26948173996320 32337808795584 40422260994480 53896347992640 80844521988960 161689043977920
- Sum of all divisors σ(n): 559249886435760
- Sum of proper divisors (its aliquot sum) s(n): 397560842457840
- 161689043977920 is an abundant number, because the sum of its proper divisors (397560842457840) is greater than itself. Its abundance is 235871798479920
Bases of 161689043977920
- Binary: 1001001100001110001010100000011111000110110000002
- Hexadecimal: 0x930E2A07C6C0
- Base-36: 1LBAX63HS0
Squares and roots of 161689043977920
- 161689043977920 squared (1616890439779202) is 26143346942493747817447526400
- 161689043977920 cubed (1616890439779203) is 4227092773514891960089915111971520217088000
-
The
square root of 161689043977920 is 12715700.6876506809 -
The
cube root of 161689043977920 is 54478.7161486611
Scales and comparisons
How big is 161689043977920?- 161,689,043,977,920 seconds is equal to 5,141,211 years, 23 weeks, 6 days, 23 hours, 12 minutes.
-
To count from 1 to 161,689,043,977,920 would take you about twelve million, eight hundred fifty-three thousand and twenty-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 161689043977920 cubic inches would be around 4539.9 feet tall.
Recreational maths with 161689043977920
- 161689043977920 backwards is 029779340986161
- 161689043977920 is a
Harshad number . - The number of decimal digits it has is: 15
- The sum of 161689043977920's digits is 72
- More coming soon!
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