21356741 is an odd 8-digits composite number following 21356740
and preceding 21356742 . In scientific notation, it is written as 2.1356741 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 17162928 positive integers (up to 21356741) that are relatively prime to 21356741.
21356741 has 16 divisors, whose sum is 25958400
The reverse of 21356741 is 14765312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million three hundred fifty-six thousand seven hundred forty-one
Scientific notation
2.1356741 × 10^7
Engineering notation
2.1356741 × 10^6
Prime Factorization
7 × 103 × 19 × 1559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21356741
Product of the distinct prime numbers
The prime factorization of 21356741 is 7 × 103 × 19 × 1559.
Since it has a total of 4 prime factors.
4 , 6 , 93 , 1 , 307 , 3 , 838 , 5504 , 53533 , 6662 , 864633 , 431088 , 2696422 , 7598411 , 2733986 , 76769162 , 471799259 , 759471178 , 2449119445 , 7046327630
n×2
42713482
n×3
64070223
n×4
85426964
n×5
106783705
n÷2
10678370.5
n÷3
7118913.6666667
n÷3
5339185.25
n÷5
4271348.2
n2
456110386141081
n3
9.7410313842251E+21
n4
2.0803668434577E+29
n5
4.4429855860713E+36
2 √n
4621.3354130597
3 √n
277.44590997262
4 √n
67.980404625596
5 √n
29.235262399166
1 , 7 , 19 , 103 , 133 , 721 , 1559 , 1957 , 10913 , 13699 , 29621 , 160577 , 207347 , 1124039 , 3050963 , 21356741
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356740
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356741 can be divided by 16 positive divisors.
The sum of these divisors (counting 21356741) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011110000011000101
3
Ternary
1111012000221102
4
Quaternary
1101132003011
5
Quinary
20431403431
6
Senary
2041425445
8
Octal
121360305
10
Decimal
21356741
12
Duodecimal
719b285
16
Hexadecimal
145e0c5
20
Vigesimal
6d9bh1
36
Base36
cpqyt
md5
b68968dc910f212d15050d9c125a56e1
sha1
9d2b3e0ccbd7c7038a9c32fae877f140c1375cfe
sha256
500def8b12c840eb18a3bc4e07786e8ffd8ad96c7c37bc8fdef814dc6b484dcb
sha512
fba864b24e567e6b0e96371475ce47f66ab103f4c87418c3d59edf764a19e0d5362d08d47be4afd1bf6bd8a002c9f1779b5e72f5ce53d64fa410b4afdda4b034
ripemd-160
42be44b43a59d7ab1a603a702ea1bb85f3c9c6bf
Diameter
42713482
Circumference
134188361.26044
Area
1.4329130383268E+15
Volume
4.0803136846759E+22
Surface area
5.7316521533073E+15
Circumference
134188361.26044
Perimeter
85426964
Area
456110386141081
Diagonal
30202992.77029
Surface area
2736662316846486
Volume
9.7410313842251E+21
Space diagonal
36990960.496089
Perimeter
64070223
Area
1.9750159066405E+14
Altitude
18495480.248045
Surface area
1.9750159066405E+14
Volume
1.1479915579228E+21
Height
10067664.256763