21898970 (number)

21898970 is an even 8-digits composite number following 21898969 and preceding 21898971. In scientific notation, it is written as 2.1898970 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 8724480 positive integers (up to 21898970) that are relatively prime to 21898970.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-eight thousand nine hundred seventy

Notation

Scientific notation 2.1898970 × 10^7
Engineering notation 2.1898970 × 10^6

Prime Factorization of 21898970

Prime Factorization 2 × 5 × 257 × 8521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21898970
Product of the distinct prime numbers

The prime factorization of 21898970 is 2 × 5 × 257 × 8521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 85, 46, 210, 485, 2037, 3447, 83725, 92566, 315862, 555375, 6271711, 1854823, 26916269, 99184290, 218737948, 469058587, 329230202, 7421206071

Basic calculations (n = 21898970)

Multiplication

n×y
n×2 43797940
n×3 65696910
n×4 87595880
n×5 109494850

Division

n÷y
n÷2 10949485
n÷3 7299656.6666667
n÷3 5474742.5
n÷5 4379794

Exponentiation

ny
n2 479564887060900
n3 1.05019770748E+22
n4 2.2998248090173E+29
n5 5.0363794497926E+36

Nth Root

y√n
2√n 4679.6335326604
3√n 279.77435051288
4√n 68.407847010854
5√n 29.382228898284

Divisors of 21898970

1, 2, 5, 10, 257, 514, 1285, 2570, 8521, 17042, 42605, 85210, 2189897, 4379794, 10949485, 21898970

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 -21898969
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 21898970 can be divided by 16 positive divisors. The sum of these divisors (counting 21898970) is 1, the average is 0.0625.

Base conversion 21898970

Base System Value
2 Binary 1010011100010011011011010
3 Ternary 1112012120201222
4 Quaternary 1103202123122
5 Quinary 21101231340
6 Senary 2101212042
8 Octal 123423332
10 Decimal 21898970
12 Duodecimal 7401022
16 Hexadecimal 14e26da
20 Vigesimal 6gh78a
36 Base36 d1dcq

Cryptographic Hash Functions

md5 79677289923486e0f73440ae6dcfb871
sha1 0c5af9de06cc9d0688c1b310aba302aba89eb004
sha256 3cd5c6bfa65941a3ebd8ffdbbb30340983c2791fd7d216732477eeb908d47968
sha512 2bd902c0d8f222359c9fd86093650e9b099364792b05f8f4634155e3f4aa927c4262184ed0dc8817ec03070ba1733d88720d654c937de94e3aa9a838947976ad
ripemd-160 2c4eebac7e7c4bd92532cbe6bfa96dccd5395037

21898970 as geometric shapes

Circle

Radius = n
Diameter 43797940
Circumference 137595286.54637
Area 1.5065975261101E+15

Sphere

Radius = n
Volume 4.3990578701814E+22
Surface area 6.0263901044406E+15
Circumference 137595286.54637

Square

Length = n
Perimeter 87595880
Area 479564887060900
Diagonal 30969820.376002

Cube

Length = n
Surface area 2877389322365400
Volume 1.05019770748E+22
Space diagonal 37930128.673427

Equilateral Triangle

Length = n
Perimeter 65696910
Area 2.0765768747888E+14
Altitude 18965064.336713

Triangular Pyramid

Length = n
Surface area 2.0765768747888E+14
Volume 1.2376698675761E+21
Height 10323273.458667