21356513 is an odd 8-digits composite number following 21356512
and preceding 21356514 . In scientific notation, it is written as 2.1356513 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20232468 positive integers (up to 21356513) that are relatively prime to 21356513.
21356513 has 4 divisors, whose sum is 22480560
The reverse of 21356513 is 31565312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million three hundred fifty-six thousand five hundred thirteen
Scientific notation
2.1356513 × 10^7
Engineering notation
2.1356513 × 10^6
Prime Factorization
19 × 1124027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21356513
Product of the distinct prime numbers
The prime factorization of 21356513 is 19 × 1124027.
Since it has a total of 2 prime factors.
8 , 10 , 45 , 46 , 94 , 533 , 3249 , 8004 , 73300 , 47473 , 450363 , 87873 , 3130734 , 7455323 , 83798737 , 93674997 , 565095295 , 816178456 , 2766682870 , 6512626728
n×2
42713026
n×3
64069539
n×4
85426052
n×5
106782565
n÷2
10678256.5
n÷3
7118837.6666667
n÷3
5339128.25
n÷5
4271302.6
n2
456100647519169
n3
9.7407194080515E+21
n4
2.0802780066741E+29
n5
4.4427484293148E+36
2 √n
4621.3107447996
3 √n
277.44492265137
4 √n
67.980223188804
5 √n
29.235199977017
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356512
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356513 can be divided by 4 positive divisors.
The sum of these divisors (counting 21356513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011101111111100001
3
Ternary
1111012000121222
4
Quaternary
1101131333201
5
Quinary
20431402023
6
Senary
2041424425
8
Octal
121357741
10
Decimal
21356513
12
Duodecimal
719b115
16
Hexadecimal
145dfe1
20
Vigesimal
6d9b5d
36
Base36
cpqsh
md5
7bf342507e09b3a572f9b584ee65b2e3
sha1
589dcdfc0b7f9e339e1ccdff65d55959de4a5ce2
sha256
11606561cb54bc1233bc1ef4bfd0efc9761ce2730a3e7af0b97b4e9e96f88ff5
sha512
0043669c5d20018e6bc43d52355dc6df42611d1dab3e5ff0dde958fc71129ededce09f6ec692783806ad53202c55464612919273fb8799429cb5e37318817cf3
ripemd-160
eed62a864f16b59966c3672a9065a38cf621421e
Diameter
42713026
Circumference
134186928.69419
Area
1.4328824435438E+15
Volume
4.0801830044019E+22
Surface area
5.7315297741751E+15
Circumference
134186928.69419
Perimeter
85426052
Area
456100647519169
Diagonal
30202670.329597
Surface area
2736603885115014
Volume
9.7407194080515E+21
Space diagonal
36990565.588505
Perimeter
64069539
Area
1.9749737371707E+14
Altitude
18495282.794253
Surface area
1.9749737371707E+14
Volume
1.1479547911781E+21
Height
10067556.776532