21297400 is an even 8-digits composite number following 21297399
and preceding 21297401 . In scientific notation, it is written as 2.1297400 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 8518880 positive integers (up to 21297400) that are relatively prime to 21297400.
21297400 has 16 divisors, whose sum is 41530320
The reverse of 21297400 is 00479212
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred ninety-seven thousand four hundred
Scientific notation
2.1297400 × 10^7
Engineering notation
2.1297400 × 10^6
Prime Factorization
2 × 2 × 2 × 25 × 106487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5324350
Product of the distinct prime numbers
The prime factorization of 21297400 is 2 × 2 × 2 × 25 × 106487.
Since it has a total of 5 prime factors.
8 , 3 , 77 , 15 , 830 , 143 , 9955 , 7330 , 17147 , 7838 , 341822 , 616489 , 3505678 , 6208637 , 10186723 , 68787928 , 898222769 , 385813896 , 8596088575 , 3432030967
n×2
42594800
n×3
63892200
n×4
85189600
n×5
106487000
n÷2
10648700
n÷3
7099133.3333333
n÷3
5324350
n÷5
4259480
n2
453579246760000
n3
9.6600586499464E+21
n4
2.0573413309137E+29
n5
4.3816021261001E+36
2 √n
4614.9106166859
3 √n
277.18870484333
4 √n
67.933133423138
5 √n
29.218997922476
1 , 2 , 4 , 8 , 25 , 50 , 100 , 200 , 106487 , 212974 , 425948 , 851896 , 2662175 , 5324350 , 10648700 , 21297400
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
-21297399
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 21297400 can be divided by 16 positive divisors.
The sum of these divisors (counting 21297400) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001111100011111000
3
Ternary
1111002000112121
4
Quaternary
1101033203320
5
Quinary
20423004100
6
Senary
2040251024
8
Octal
121174370
10
Decimal
21297400
12
Duodecimal
7170a74
16
Hexadecimal
144f8f8
20
Vigesimal
6d23a0
36
Base36
coh6g
md5
ba7261578e8878ad33e057df9bf738e5
sha1
14f2a5f8895a476a30ee913c95ea74989f057914
sha256
d47af64a6b92d8a092c3bb54b7a3f0ed3c765b08fed71236be380691e9f519d1
sha512
f226f495f27e708a7b0358e6505ec8e1a331b7bec530c4a893cd5bc6c45c4bcb169f63963a12e7c49486bed0db8f924db7fc7d155200c50220b83a00d2a3f2ef
ripemd-160
662d3a90ad0e213ae4fc71d89f061003ded80eb6
Diameter
42594800
Circumference
133815510.76113
Area
1.424961229442E+15
Volume
4.0463959050558E+22
Surface area
5.699844917768E+15
Circumference
133815510.76113
Perimeter
85189600
Area
453579246760000
Diagonal
30119071.923285
Surface area
2721475480560000
Volume
9.6600586499464E+21
Space diagonal
36888178.869117
Perimeter
63892200
Area
1.9640557516179E+14
Altitude
18444089.434559
Surface area
1.9640557516179E+14
Volume
1.1384488296728E+21
Height
10039690.641095