21686136 is an even 8-digits composite number following 21686135
and preceding 21686137 . In scientific notation, it is written as 2.1686136 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 7212800 positive integers (up to 21686136) that are relatively prime to 21686136.
21686136 has 32 divisors, whose sum is 54334800
The reverse of 21686136 is 63168612
Previous prime number is 701
Is Prime? no Number parity even Number length 8 Sum of Digits 33 Digital Root 6
Name
twenty-one million six hundred eighty-six thousand one hundred thirty-six
Scientific notation
2.1686136 × 10^7
Engineering notation
2.1686136 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 701 × 1289
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
5421534 Product of the distinct prime numbers
The prime factorization of 21686136 is 2 × 2 × 2 × 3 × 701 × 1289.
Since it has a total of 6 prime factors.
10 , 9 , 15 , 83 , 867 , 323 , 3554 , 3377 , 80559 , 39845 , 252706 , 819643 , 5122756 , 7560899 , 55615201 , 30994880 , 658626726 , 64555080 , 3644858054 , 5431069546
n×2
43372272
n×3
65058408
n×4
86744544
n×5
108430680
n÷2
10843068
n÷3
7228712
n÷3
5421534
n÷5
4337227.2
n2
470288494610496
n3
1.0198740253358E+22
n4
2.2117126816301E+29
n5
4.7963502006754E+36
2 √n4656.8375535335
3 √n278.86503151833
4 √n68.241025443156
5 √n29.32489295001
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 701 , 1289 , 1402 , 2103 , 2578 , 2804 , 3867 , 4206 , 5156 , 5608 , 7734 , 8412 , 10312 , 15468 , 16824 , 30936 , 903589 , 1807178 , 2710767 , 3614356 , 5421534 , 7228712 , 10843068 , 21686136
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-21686135 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21686136 can be divided by 32 positive divisors.
The sum of these divisors (counting 21686136) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010101110011101111000
3
Ternary
1111210202210020
4
Quaternary
1102232131320
5
Quinary
21022424021
6
Senary
2052450440
8
Octal
122563570
10
Decimal
21686136
12
Duodecimal
7319a20
16
Hexadecimal
14ae778
20
Vigesimal
6faf6g
36
Base36
cwt4o
md5
8a666a56ebdffe2e3f4034fbd26be39f
sha1
cc319d635cf3e25f02534fde4a14b78fdf84c5de
sha256
e6bf28660d01d690e5c61cbd39462ed0c182dcbf83aa544c1183a177a9f12265
sha512
728cc6d05c4578df5186e96f201ff349c754d48f6f25621f3821f2d844b4cdb317f6d8fdbdb26b68ba1a923625620327d7ab6343a44069ca81259ea5bc8ad54d
ripemd-160
f9d7e37304de25477d9e5fdf8c436ac0b3a2d8a6
Diameter
43372272
Circumference
136258011.0847
Area
1.4774548797361E+15
Volume
4.2720383274429E+22
Surface area
5.9098195189445E+15
Circumference
136258011.0847
Perimeter
86744544
Area
470288494610496
Diagonal
30668827.646667
Surface area
2821730967662976
Volume
1.0198740253358E+22
Space diagonal
37561489.371849
Perimeter
65058408
Area
2.0364089172012E+14
Altitude
18780744.685924
Surface area
2.0364089172012E+14
Volume
1.2019330654517E+21
Height
10222942.548889