21297851 is an odd 8-digits prime number following 21297850
and preceding 21297852 . In scientific notation, it is written as 2.1297851 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21297850 positive integers (up to 21297851) that are relatively prime to 21297851.
21297851 has 2 divisors, whose sum is 21297852
The reverse of 21297851 is 15879212
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty-one million two hundred ninety-seven thousand eight hundred fifty-one
Scientific notation
2.1297851 × 10^7
Engineering notation
2.1297851 × 10^6
Prime Factorization
21297851
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21297851 Product of the distinct prime numbers
The prime factorization of 21297851 is 21297851.
Since it has a total of 1 prime factors.
2 , 1 , 89 , 42 , 596 , 581 , 5828 , 5745 , 9278 , 18432 , 50465 , 956324 , 3616272 , 8975473 , 20673241 , 47979085 , 584793364 , 667176227 , 1098314844 , 8591412280
n×2
42595702
n×3
63893553
n×4
85191404
n×5
106489255
n÷2
10648925.5
n÷3
7099283.6666667
n÷3
5324462.75
n÷5
4259570.2
n2
453598457218201
n3
9.6606723556631E+21
n4
2.0575156039073E+29
n5
4.3820660762193E+36
2 √n4614.9594797788
3 √n277.19066143934
4 √n67.93349306328
5 √n29.219121671445
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21297852 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10648926 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4614.9595881221 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999060938 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21297851 can be divided by 2 positive divisors.
The sum of these divisors (counting 21297851) is 21297852, the average is 10648926.
Base
System
Value
2
Binary
1010001001111101010111011
3
Ternary
1111002001011022
4
Quaternary
1101033222323
5
Quinary
20423012401
6
Senary
2040253055
8
Octal
121175273
10
Decimal
21297851
12
Duodecimal
717118b
16
Hexadecimal
144fabb
20
Vigesimal
6d24cb
36
Base36
cohiz
md5
f11d4d729c8af5bee3ad7d4e5073420d
sha1
34ff63386226300362192f9560835069f87c7f20
sha256
ba402edee8353b8a271a6678630da8dcc9aeab8144649cc45191017cf6ec59df
sha512
e02aa6e1b45abfe9c5e92b125a287a33d9f9e83eeb84a9bd66ab3d9f3f2e91dc255cd3f52b84ce060e1c898291da7cd0c88c4df8f819144d8464694490860471
ripemd-160
901e1275ebb119277ae96a621acc3a7858800366
Diameter
42595702
Circumference
133818344.4777
Area
1.4250215808764E+15
Volume
4.0466529735052E+22
Surface area
5.7000863235055E+15
Circumference
133818344.4777
Perimeter
85191404
Area
453598457218201
Diagonal
30119709.733601
Surface area
2721590743309206
Volume
9.6606723556631E+21
Space diagonal
36888960.024032
Perimeter
63893553
Area
1.964138935342E+14
Altitude
18444480.012016
Surface area
1.964138935342E+14
Volume
1.1385211555851E+21
Height
10039903.244534