21497902 (number)

21497902 is an even 8-digits composite number following 21497901 and preceding 21497903. In scientific notation, it is written as 2.1497902 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10748950 positive integers (up to 21497902) that are relatively prime to 21497902.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred two

Notation

Scientific notation 2.1497902 × 10^7
Engineering notation 2.1497902 × 10^6

Prime Factorization of 21497902

Prime Factorization 2 × 10748951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497902
Product of the distinct prime numbers

The prime factorization of 21497902 is 2 × 10748951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497902)

Multiplication

n×y
n×2 42995804
n×3 64493706
n×4 85991608
n×5 107489510

Division

n÷y
n÷2 10748951
n÷3 7165967.3333333
n÷3 5374475.5
n÷5 4299580.4

Exponentiation

ny
n2 462159790401604
n3 9.9354658823942E+21
n4 2.1359167186405E+29
n5 4.5917728297496E+36

Nth Root

y√n
2√n 4636.5830090704
3√n 278.05584337858
4√n 68.092459267311
5√n 29.273807709283

Divisors of 21497902

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497902 can be divided by 4 positive divisors. The sum of these divisors (counting 21497902) is 1, the average is 0.25.

Base conversion 21497902

Base System Value
2 Binary 1010010000000100000101110
3 Ternary 1111110012120121
4 Quaternary 1102000200232
5 Quinary 21000413102
6 Senary 2044435154
8 Octal 122004056
10 Decimal 21497902
12 Duodecimal 7248aba
16 Hexadecimal 148082e
20 Vigesimal 6e74f2
36 Base36 csrvy

Cryptographic Hash Functions

md5 2adfd88a49835ae7457ceaa0be1d2d0f
sha1 d72bd2ad9b42cca08a50afa01a763c573ca4cf63
sha256 9ab27544542b0c877ec42e1ed57b086936fcd6cf2527b32bff05aefd0d0239ee
sha512 1360abc72b7a8c80de2eae757c2e25bd290fd1f9e00c0288bf2e022fb1b34a498fbba68b5fc3249cced7257487918041eb8c4001b0342c89fa106932c4b350b1
ripemd-160 2417b6c8fb099f6fff273bb8e1ff9b2c8356a77e

21497902 as geometric shapes

Circle

Radius = n
Diameter 42995804
Circumference 135075301.98159
Area 1.4519178023103E+15

Sphere

Radius = n
Volume 4.1617582168162E+22
Surface area 5.8076712092411E+15
Circumference 135075301.98159

Square

Length = n
Perimeter 85991608
Area 462159790401604
Diagonal 30402624.570968

Cube

Length = n
Surface area 2772958742409624
Volume 9.9354658823942E+21
Space diagonal 37235458.520137

Equilateral Triangle

Length = n
Perimeter 64493706
Area 2.0012105954774E+14
Altitude 18617729.260068

Triangular Pyramid

Length = n
Surface area 2.0012105954774E+14
Volume 1.1709058832814E+21
Height 10134208.190323