21342645 is an odd 8-digits composite number following 21342644
and preceding 21342646 . In scientific notation, it is written as 2.1342645 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 11100672 positive integers (up to 21342645) that are relatively prime to 21342645.
21342645 has 36 divisors, whose sum is 37929060
The reverse of 21342645 is 54624312
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred forty-two thousand six hundred forty-five
Scientific notation
2.1342645 × 10^7
Engineering notation
2.1342645 × 10^6
Prime Factorization
5 × 3 × 3 × 73 × 89 × 73
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
97455
Product of the distinct prime numbers
The prime factorization of 21342645 is 5 × 3 × 3 × 73 × 89 × 73.
Since it has a total of 6 prime factors.
5 , 2 , 54 , 1 , 857 , 857 , 6064 , 3237 , 52106 , 57814 , 876220 , 191509 , 246757 , 2913611 , 47040805 , 74508173 , 132189634 , 442367234 , 6677205598 , 2873221116
n×2
42685290
n×3
64027935
n×4
85370580
n×5
106713225
n÷2
10671322.5
n÷3
7114215
n÷3
5335661.25
n÷5
4268529
n2
455508495596025
n3
9.72175611599E+21
n4
2.0748798956015E+29
n5
4.4283425029461E+36
2 √n
4619.8100610306
3 √n
277.38485605231
4 √n
67.969184642974
5 √n
29.231402174419
1 , 3 , 5 , 9 , 15 , 45 , 73 , 89 , 219 , 267 , 365 , 445 , 657 , 801 , 1095 , 1335 , 3285 , 4005 , 5329 , 6497 , 15987 , 19491 , 26645 , 32485 , 47961 , 58473 , 79935 , 97455 , 239805 , 292365 , 474281 , 1422843 , 2371405 , 4268529 , 7114215 , 21342645
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21342644
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21342645 can be divided by 36 positive divisors.
The sum of these divisors (counting 21342645) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010001011010100110110101
3
Ternary
1111011022121100
4
Quaternary
1101122212311
5
Quinary
20430431040
6
Senary
2041240313
8
Octal
121324665
10
Decimal
21342645
12
Duodecimal
7193099
16
Hexadecimal
145a9b5
20
Vigesimal
6d7gc5
36
Base36
cpg39
md5
d252ec22175b10d92114e9a26bea2d63
sha1
90b59d3b903ec161686eb341a4494b331449b8b4
sha256
720d1df8586ccb7b91361672d39f9f1fe2e1e38109be2559f0d770a430f193b4
sha512
eebd72f19b4a100bb23f8b450c3c881912a711390c066304e3c95e4dc0e333f0b788746bca5b588c4e803645233ee215c2975954e7e183fb9d11573c75c1fc45
ripemd-160
3352e26e5b59d49c4488949fbd74dff366f4f77b
Diameter
42685290
Circumference
134099793.48035
Area
1.4310221434122E+15
Volume
4.0722396791981E+22
Surface area
5.7240885736488E+15
Circumference
134099793.48035
Perimeter
85370580
Area
455508495596025
Diagonal
30183058.015914
Surface area
2733050973576150
Volume
9.72175611599E+21
Space diagonal
36966545.507906
Perimeter
64027935
Area
1.9724096441289E+14
Altitude
18483272.753953
Surface area
1.9724096441289E+14
Volume
1.1457199457764E+21
Height
10061019.338638