21898980 (number)

21898980 is an even 8-digits composite number following 21898979 and preceding 21898981. In scientific notation, it is written as 2.1898980 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 5839680 positive integers (up to 21898980) that are relatively prime to 21898980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1898980 × 10^7
Engineering notation 2.1898980 × 10^6

Prime Factorization of 21898980

Prime Factorization 2 × 2 × 9 × 5 × 121661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10949490
Product of the distinct prime numbers

The prime factorization of 21898980 is 2 × 2 × 9 × 5 × 121661. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 92, 67, 244, 407, 7465, 9366, 23965, 10493, 539980, 727676, 4564171, 644740, 56405364, 97416374, 563133143, 129767230, 6009406008, 2396362617

Basic calculations (n = 21898980)

Multiplication

n×y
n×2 43797960
n×3 65696940
n×4 87595920
n×5 109494900

Division

n÷y
n÷2 10949490
n÷3 7299660
n÷3 5474745
n÷5 4379796

Exponentiation

ny
n2 479565325040400
n3 1.0501991461753E+22
n4 2.299829009811E+29
n5 5.0363909489272E+36

Nth Root

y√n
2√n 4679.63460112
3√n 279.77439309849
4√n 68.407854820335
5√n 29.382231581718

Divisors of 21898980

1, 2, 4, 5, 9, 10, 18, 20, 36, 45, 90, 180, 121661, 243322, 486644, 608305, 1094949, 1216610, 2189898, 2433220, 4379796, 5474745, 10949490, 21898980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21898979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21898980 can be divided by 24 positive divisors. The sum of these divisors (counting 21898980) is 1, the average is 0.041666666666667.

Base conversion 21898980

Base System Value
2 Binary 1010011100010011011100100
3 Ternary 1112012120202100
4 Quaternary 1103202123210
5 Quinary 21101231410
6 Senary 2101212100
8 Octal 123423344
10 Decimal 21898980
12 Duodecimal 7401030
16 Hexadecimal 14e26e4
20 Vigesimal 6gh790
36 Base36 d1dd0

Cryptographic Hash Functions

md5 d158a4fb07cdb55f70300dbfb1f3cd0a
sha1 abc63ca95b4b00361be67108579513ddd638aaff
sha256 ef3b36727b6e1b4fde05e87c1db44177e679fd1b9dd38124a298891bf1729c2a
sha512 8a80e936307935a2c11a781afef8bc5d66cfdd6b4be37fc1febe1fd915c1e5d386f453316dd3cc691965221cbf40d24fdab67d30e37c97b1b36cfa1274817ddc
ripemd-160 dc94877a7bd7917b8c6dffe90d5c705a310bcf87

21898980 as geometric shapes

Circle

Radius = n
Diameter 43797960
Circumference 137595349.37822
Area 1.5065989020633E+15

Sphere

Radius = n
Volume 4.3990638965742E+22
Surface area 6.0263956082533E+15
Circumference 137595349.37822

Square

Length = n
Perimeter 87595920
Area 479565325040400
Diagonal 30969834.518137

Cube

Length = n
Surface area 2877391950242400
Volume 1.0501991461753E+22
Space diagonal 37930145.993935

Equilateral Triangle

Length = n
Perimeter 65696940
Area 2.0765787712956E+14
Altitude 18965072.996967

Triangular Pyramid

Length = n
Surface area 2.0765787712956E+14
Volume 1.2376715630948E+21
Height 10323278.172712