21131497 is an odd 8-digits composite number following 21131496
and preceding 21131498 . In scientific notation, it is written as 2.1131497 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 21078400 positive integers (up to 21131497) that are relatively prime to 21131497.
21131497 has 4 divisors, whose sum is 21184596
The reverse of 21131497 is 79413112
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million one hundred thirty-one thousand four hundred ninety-seven
Scientific notation
2.1131497 × 10^7
Engineering notation
2.1131497 × 10^6
Prime Factorization
401 × 52697
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131497
Product of the distinct prime numbers
The prime factorization of 21131497 is 401 × 52697.
Since it has a total of 2 prime factors.
1 , 4 , 30 , 30 , 75 , 822 , 4918 , 46 , 82758 , 53173 , 653393 , 933325 , 1786254 , 5589925 , 50860712 , 19954312 , 970964702 , 147050545 , 5560137956 , 9394054807
n×2
42262994
n×3
63394491
n×4
84525988
n×5
105657485
n÷2
10565748.5
n÷3
7043832.3333333
n÷3
5282874.25
n÷5
4226299.4
n2
446540165461009
n3
9.4360621668188E+21
n4
1.9939811936995E+29
n5
4.2135807612716E+36
2 √n
4596.9008038025
3 √n
276.46707738465
4 √n
67.80044840414
5 √n
29.173333241097
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
-21131496
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 21131497 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111000011101001
3
Ternary
1110202120222001
4
Quaternary
1100213003221
5
Quinary
20402201442
6
Senary
2032531001
8
Octal
120470351
10
Decimal
21131497
12
Duodecimal
70b0a61
16
Hexadecimal
14270e9
20
Vigesimal
6c18eh
36
Base36
ckx61
md5
5afd95f04b54f2099dd8b0c1b764c86b
sha1
c6c2ded4bf9574a9d69ceabce2f98d31a10afd85
sha256
b457f608b66f59fdddaaf047fbc08cd62b8b2a86bff6a3e57753a77d1c8c19c5
sha512
cf755c1ea5977b2b62cf7c9bbca6085ea356f19b519c78977df2b35a02f052e8f5f6f45d37d17f01be57891cb9424e7f1b30fe25d0c8a8051a148688bd356572
ripemd-160
fbea552932397e46eb16c9f7aa6aec4c513bd996
Diameter
42262994
Circumference
132773111.46911
Area
1.4028473033451E+15
Volume
3.9525684776126E+22
Surface area
5.6113892133803E+15
Circumference
132773111.46911
Perimeter
84525988
Area
446540165461009
Diagonal
29884449.650646
Surface area
2679240992766054
Volume
9.4360621668188E+21
Space diagonal
36600826.443989
Perimeter
63394491
Area
1.9335756354967E+14
Altitude
18300413.221995
Surface area
1.9335756354967E+14
Volume
1.1120505909759E+21
Height
9961483.2168821