21297712 is an even 8-digits composite number following 21297711
and preceding 21297713 . In scientific notation, it is written as 2.1297712 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 10 positive divisors.
There are 10648848 positive integers (up to 21297712) that are relatively prime to 21297712.
21297712 has 10 divisors, whose sum is 41264348
The reverse of 21297712 is 21779212
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred ninety-seven thousand seven hundred twelve
Scientific notation
2.1297712 × 10^7
Engineering notation
2.1297712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1331107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2662214
Product of the distinct prime numbers
The prime factorization of 21297712 is 2 × 2 × 2 × 2 × 1331107.
Since it has a total of 5 prime factors.
3 , 8 , 78 , 9 , 803 , 669 , 475 , 8293 , 43172 , 62379 , 436856 , 637950 , 3348195 , 5943643 , 66227980 , 32555025 , 77576590 , 986418492 , 2848673901 , 6940635237
n×2
42595424
n×3
63893136
n×4
85190848
n×5
106488560
n÷2
10648856
n÷3
7099237.3333333
n÷3
5324428
n÷5
4259542.4
n2
453592536434944
n3
9.6604832063409E+21
n4
2.0574618910949E+29
n5
4.3819230807514E+36
2 √n
4614.9444200337
3 √n
277.19005841158
4 √n
67.933382221362
5 √n
29.219083531742
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21297711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21297712 can be divided by 10 positive divisors.
The sum of these divisors (counting 21297712) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010001001111101000110000
3
Ternary
1111002000222011
4
Quaternary
1101033220300
5
Quinary
20423011322
6
Senary
2040252304
8
Octal
121175060
10
Decimal
21297712
12
Duodecimal
7171094
16
Hexadecimal
144fa30
20
Vigesimal
6d245c
36
Base36
cohf4
md5
84a73a0855be3527015f5019d72ae550
sha1
aba0c5da2e75e1c8b25486d4926fded8691a0bb2
sha256
613caccfa02518be171628179d2071b6786f7a580037f9cfcc3dee2611a126b2
sha512
dd52dbe2c3ceeb51a55ab3c140670fed60a1ea06cdcd9421cead7e8972d387b06510b1a7d16037fec92f256c12784a1bf4f6023cbc24c4ce8d38e849a6257589
ripemd-160
610626450c8729155a21b919ea9c632356c09f16
Diameter
42595424
Circumference
133817471.11494
Area
1.4250029801872E+15
Volume
4.0465737428224E+22
Surface area
5.7000119207487E+15
Circumference
133817471.11494
Perimeter
85190848
Area
453592536434944
Diagonal
30119513.157916
Surface area
2721555218609664
Volume
9.6604832063409E+21
Space diagonal
36888719.268969
Perimeter
63893136
Area
1.9641132975984E+14
Altitude
18444359.634485
Surface area
1.9641132975984E+14
Volume
1.1384988641237E+21
Height
10039837.719305