21497375 is an odd 8-digits composite number following 21497374
and preceding 21497376 . In scientific notation, it is written as 2.1497375 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 17100000 positive integers (up to 21497375) that are relatively prime to 21497375.
21497375 has 16 divisors, whose sum is 26981760
The reverse of 21497375 is 57379412
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-seven thousand three hundred seventy-five
Scientific notation
2.1497375 × 10^7
Engineering notation
2.1497375 × 10^6
Prime Factorization
25 × 5 × 229 × 751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497375
Product of the distinct prime numbers
The prime factorization of 21497375 is 25 × 5 × 229 × 751.
Since it has a total of 4 prime factors.
7 , 7 , 66 , 19 , 646 , 577 , 353 , 4625 , 15670 , 40322 , 337798 , 892790 , 9062094 , 9396211 , 21351668 , 72528261 , 447278696 , 171654868 , 2191981448 , 7605593045
n×2
42994750
n×3
64492125
n×4
85989500
n×5
107486875
n÷2
10748687.5
n÷3
7165791.6666667
n÷3
5374343.75
n÷5
4299475
n2
462137131890625
n3
9.9347352256772E+21
n4
2.1357072867209E+29
n5
4.5912100432872E+36
2 √n
4636.5261780777
3 √n
278.05357127118
4 √n
68.092041958497
5 √n
29.273664184134
1 , 5 , 25 , 125 , 229 , 751 , 1145 , 3755 , 5725 , 18775 , 28625 , 93875 , 171979 , 859895 , 4299475 , 21497375
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
-21497374
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 21497375 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497375) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000011000011111
3
Ternary
1111110011212002
4
Quaternary
1102000120133
5
Quinary
21000404000
6
Senary
2044432515
8
Octal
122003037
10
Decimal
21497375
12
Duodecimal
724873b
16
Hexadecimal
148061f
20
Vigesimal
6e738f
36
Base36
csrhb
md5
acded0c6856666220cafc08a365c1791
sha1
196c84a02b135b11ad706c359c2233a7313153ed
sha256
778fda42a71151cf0ae6bda4cca17486d160f3d5379a0f89c6ad4a9126036da9
sha512
908ba1647e5486fbe2d5df013d8fe21d3045afbd8b2e484802202a44bb97827895aa0233ae1215cae001ec5501892c74c1e1c4a42ce579e46f749e815fe131a4
ripemd-160
b80ab9ff68717c34dcbe52eb95b85f17c78cb0c9
Diameter
42994750
Circumference
135071990.74293
Area
1.4518466184986E+15
Volume
4.1614521600463E+22
Surface area
5.8073864739946E+15
Circumference
135071990.74293
Perimeter
85989500
Area
462137131890625
Diagonal
30401879.28042
Surface area
2772822791343750
Volume
9.9347352256772E+21
Space diagonal
37234545.729361
Perimeter
64492125
Area
2.0011124812468E+14
Altitude
18617272.86468
Surface area
2.0011124812468E+14
Volume
1.1708197745615E+21
Height
10133959.76014