21898955 (number)

21898955 is an odd 8-digits composite number following 21898954 and preceding 21898956. In scientific notation, it is written as 2.1898955 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 16080768 positive integers (up to 21898955) that are relatively prime to 21898955.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-eight thousand nine hundred fifty-five

Notation

Scientific notation 2.1898955 × 10^7
Engineering notation 2.1898955 × 10^6

Prime Factorization of 21898955

Prime Factorization 5 × 13 × 199 × 1693

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21898955
Product of the distinct prime numbers

The prime factorization of 21898955 is 5 × 13 × 199 × 1693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21898955)

Multiplication

n×y
n×2 43797910
n×3 65696865
n×4 87595820
n×5 109494775

Division

n÷y
n÷2 10949477.5
n÷3 7299651.6666667
n÷3 5474738.75
n÷5 4379791

Exponentiation

ny
n2 479564230092025
n3 1.0501955494395E+22
n4 2.2998185078376E+29
n5 5.0363622011302E+36

Nth Root

y√n
2√n 4679.6319299706
3√n 279.77428663444
4√n 68.407835296628
5√n 29.38222487313

Divisors of 21898955

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 -21898954
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 21898955 can be divided by 16 positive divisors. The sum of these divisors (counting 21898955) is 1, the average is 0.0625.

Base conversion 21898955

Base System Value
2 Binary 1010011100010011011001011
3 Ternary 1112012120201102
4 Quaternary 1103202123023
5 Quinary 21101231310
6 Senary 2101212015
8 Octal 123423313
10 Decimal 21898955
12 Duodecimal 740100b
16 Hexadecimal 14e26cb
20 Vigesimal 6gh77f
36 Base36 d1dcb

Cryptographic Hash Functions

md5 efc9cf365f00466fe733f3f0fea527e9
sha1 490219245bd045f04c05626fc9dac70683ad0917
sha256 5cb6d74c51467c9fbe4ee50a1800793c5622ec9219c2e6aea632bc57029919c3
sha512 649ee3ff276456715771dae62c64ec63db7ae7463ac5fee31da83590a13468ee4eaff3ef2d372f1eabbb1bd6884a950a6d1557825ec4996619175a08932bf952
ripemd-160 7a110ad29e5af4055e03c1962fb00f3643f64e24

21898955 as geometric shapes

Circle

Radius = n
Diameter 43797910
Circumference 137595192.29859
Area 1.5065954621816E+15

Sphere

Radius = n
Volume 4.3990488306024E+22
Surface area 6.0263818487262E+15
Circumference 137595192.29859

Square

Length = n
Perimeter 87595820
Area 479564230092025
Diagonal 30969799.162798

Cube

Length = n
Surface area 2877385380552150
Volume 1.0501955494395E+22
Space diagonal 37930102.692665

Equilateral Triangle

Length = n
Perimeter 65696865
Area 2.0765740300301E+14
Altitude 18965051.346332

Triangular Pyramid

Length = n
Surface area 2.0765740300301E+14
Volume 1.237667324301E+21
Height 10323266.387599