21898851 (number)

21898851 is an odd 8-digits composite number following 21898850 and preceding 21898852. In scientific notation, it is written as 2.1898851 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 13175136 positive integers (up to 21898851) that are relatively prime to 21898851.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1898851 × 10^7
Engineering notation 2.1898851 × 10^6

Prime Factorization of 21898851

Prime Factorization 3 × 13 × 13 × 47 × 919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1684527
Product of the distinct prime numbers

The prime factorization of 21898851 is 3 × 13 × 13 × 47 × 919. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21898851)

Multiplication

n×y
n×2 43797702
n×3 65696553
n×4 87595404
n×5 109494255

Division

n÷y
n÷2 10949425.5
n÷3 7299617
n÷3 5474712.75
n÷5 4379770.2

Exponentiation

ny
n2 479559675120201
n3 1.0501805871066E+22
n4 2.2997748200139E+29
n5 5.0362426117037E+36

Nth Root

y√n
2√n 4679.6208179723
3√n 279.77384374311
4√n 68.407754077826
5√n 29.38219696534

Divisors of 21898851

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 -21898850
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 21898851 can be divided by 24 positive divisors. The sum of these divisors (counting 21898851) is 1, the average is 0.041666666666667.

Base conversion 21898851

Base System Value
2 Binary 1010011100010011001100011
3 Ternary 1112012120120120
4 Quaternary 1103202121203
5 Quinary 21101230401
6 Senary 2101211323
8 Octal 123423143
10 Decimal 21898851
12 Duodecimal 7400b43
16 Hexadecimal 14e2663
20 Vigesimal 6gh72b
36 Base36 d1d9f

Cryptographic Hash Functions

md5 a36e16729a2eabf6feac96bb55107938
sha1 2c3dcdf8bd4f5863c7a909fd1193f927e053a679
sha256 689977f467e78896182a2c83a400eedfc71661f20ec16820805fc99d94a8047b
sha512 4d019f09b13487c0c07c2e0cbb3d5d697322327b63e64843590e48d4af5022d3074995b0733843721878e8e610cdbe10bd5fe2f514e3601a72d14bab7461dbb4
ripemd-160 9311b235727ad6d4becd558f656dd78cd9da28ef

21898851 as geometric shapes

Circle

Radius = n
Diameter 43797702
Circumference 137594538.84731
Area 1.5065811523155E+15

Sphere

Radius = n
Volume 4.3989861565288E+22
Surface area 6.0263246092621E+15
Circumference 137594538.84731

Square

Length = n
Perimeter 87595404
Area 479559675120201
Diagonal 30969652.084588

Cube

Length = n
Surface area 2877358050721206
Volume 1.0501805871066E+22
Space diagonal 37929922.559381

Equilateral Triangle

Length = n
Perimeter 65696553
Area 2.0765543064235E+14
Altitude 18964961.27969

Triangular Pyramid

Length = n
Surface area 2.0765543064235E+14
Volume 1.2376496910225E+21
Height 10323217.361529