21497867 is an odd 8-digits prime number following 21497866
and preceding 21497868 . In scientific notation, it is written as 2.1497867 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 21497866 positive integers (up to 21497867) that are relatively prime to 21497867.
21497867 has 2 divisors, whose sum is 21497868
The reverse of 21497867 is 76879412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
twenty-one million four hundred ninety-seven thousand eight hundred sixty-seven
Scientific notation
2.1497867 × 10^7
Engineering notation
2.1497867 × 10^6
Prime Factorization
21497867
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21497867 Product of the distinct prime numbers
The prime factorization of 21497867 is 21497867.
Since it has a total of 1 prime factors.
2 , 10 , 67 , 32 , 5 , 508 , 9309 , 4421 , 26191 , 50207 , 950946 , 43505 , 6025384 , 3493298 , 23282154 , 38125878 , 724560599 , 561134331 , 1593789079 , 7670677895
n×2
42995734
n×3
64493601
n×4
85991468
n×5
107489335
n÷2
10748933.5
n÷3
7165955.6666667
n÷3
5374466.75
n÷5
4299573.4
n2
462158285549689
n3
9.9354173556952E+21
n4
2.1359028090223E+29
n5
4.5917354513287E+36
2 √n4636.5792347376
3 √n278.05569248076
4 √n68.092431552542
5 √n29.273798177339
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21497868 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10748934 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.5793425757 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069675 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497867 can be divided by 2 positive divisors.
The sum of these divisors (counting 21497867) is 21497868, the average is 10748934.
Base
System
Value
2
Binary
1010010000000100000001011
3
Ternary
1111110012112022
4
Quaternary
1102000200023
5
Quinary
21000412432
6
Senary
2044435055
8
Octal
122004013
10
Decimal
21497867
12
Duodecimal
7248a8b
16
Hexadecimal
148080b
20
Vigesimal
6e74d7
36
Base36
csruz
md5
5cb24af659486cc359b47a64d09a90e2
sha1
c4986ad60333b5142b49b54eea4e844a22edc1de
sha256
66f128bcdcd796a27f2f44a6051ce53b5a1856b6e8130eb2772aad6d01d748f7
sha512
2e17fc57a352d22fc47b9af13de44ca20140e1a4cce9f350039f8edf748ea8697a361054999406a210565a871b4e7349d194ba4a1f762044e6b0732772305c34
ripemd-160
814116674aad0bf3ef4d5f676acffdffe052cd8e
Diameter
42995734
Circumference
135075082.0701
Area
1.4519130746786E+15
Volume
4.1617378900001E+22
Surface area
5.8076522987142E+15
Circumference
135075082.0701
Perimeter
85991468
Area
462158285549689
Diagonal
30402575.073493
Surface area
2772949713298134
Volume
9.9354173556952E+21
Space diagonal
37235397.898358
Perimeter
64493601
Area
2.0012040792775E+14
Altitude
18617698.949179
Surface area
2.0012040792775E+14
Volume
1.1709001643551E+21
Height
10134191.691164