21497898 (number)

21497898 is an even 8-digits composite number following 21497897 and preceding 21497899. In scientific notation, it is written as 2.1497898 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 7153776 positive integers (up to 21497898) that are relatively prime to 21497898.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred ninety-eight

Notation

Scientific notation 2.1497898 × 10^7
Engineering notation 2.1497898 × 10^6

Prime Factorization of 21497898

Prime Factorization 2 × 3 × 5437 × 659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497898
Product of the distinct prime numbers

The prime factorization of 21497898 is 2 × 3 × 5437 × 659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 20, 18, 425, 231, 3864, 5376, 49600, 98291, 12747, 991261, 1656174, 2183672, 97104630, 38830730, 449962937, 747906835, 2134054900, 8996130999

Basic calculations (n = 21497898)

Multiplication

n×y
n×2 42995796
n×3 64493694
n×4 85991592
n×5 107489490

Division

n÷y
n÷2 10748949
n÷3 7165966
n÷3 5374474.5
n÷5 4299579.6

Exponentiation

ny
n2 462159618418404
n3 9.9354603364778E+21
n4 2.1359151289664E+29
n5 4.5917685579178E+36

Nth Root

y√n
2√n 4636.5825777182
3√n 278.05582613313
4√n 68.09245609991
5√n 29.273806619919

Divisors of 21497898

1, 2, 3, 6, 659, 1318, 1977, 3954, 5437, 10874, 16311, 32622, 3582983, 7165966, 10748949, 21497898

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 -21497897
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 21497898 can be divided by 16 positive divisors. The sum of these divisors (counting 21497898) is 1, the average is 0.0625.

Base conversion 21497898

Base System Value
2 Binary 1010010000000100000101010
3 Ternary 1111110012120110
4 Quaternary 1102000200222
5 Quinary 21000413043
6 Senary 2044435150
8 Octal 122004052
10 Decimal 21497898
12 Duodecimal 7248ab6
16 Hexadecimal 148082a
20 Vigesimal 6e74ei
36 Base36 csrvu

Cryptographic Hash Functions

md5 9669270eb6c00c0a69a02f0bf08385b8
sha1 2eea199a23d3883e4366ee80df3c4bbddd41cf36
sha256 b8cf432d52d8a87af79b083e9ff059aeead50fb888a8055c510fe44ffe0b93e7
sha512 a25da0237e0d71b5bf14c84a36d7779fa72c02888dc1c1dc69051d53918a69d9d1eca2b24a009d4450b20665b05992a63e1f1ff97d9c413311ec73e54b8293dd
ripemd-160 b8567b59bb340614d07fe6fad99e746d89b07a0f

21497898 as geometric shapes

Circle

Radius = n
Diameter 42995796
Circumference 135075276.84885
Area 1.4519172620091E+15

Sphere

Radius = n
Volume 4.1617558937482E+22
Surface area 5.8076690480365E+15
Circumference 135075276.84885

Square

Length = n
Perimeter 85991592
Area 462159618418404
Diagonal 30402618.914113

Cube

Length = n
Surface area 2772957710510424
Volume 9.9354603364778E+21
Space diagonal 37235451.591933

Equilateral Triangle

Length = n
Perimeter 64493694
Area 2.0012098507683E+14
Altitude 18617725.795967

Triangular Pyramid

Length = n
Surface area 2.0012098507683E+14
Volume 1.1709052296889E+21
Height 10134206.304704