21897071 (number)

21897071 is an odd 8-digits composite number following 21897070 and preceding 21897072. In scientific notation, it is written as 2.1897071 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 17418240 positive integers (up to 21897071) that are relatively prime to 21897071.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1897071 × 10^7
Engineering notation 2.1897071 × 10^6

Prime Factorization of 21897071

Prime Factorization 17 × 7 × 7 × 271 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3128153
Product of the distinct prime numbers

The prime factorization of 21897071 is 17 × 7 × 7 × 271 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897071)

Multiplication

n×y
n×2 43794142
n×3 65691213
n×4 87588284
n×5 109485355

Division

n÷y
n÷2 10948535.5
n÷3 7299023.6666667
n÷3 5474267.75
n÷5 4379414.2

Exponentiation

ny
n2 479481718379041
n3 1.0499245230548E+22
n4 2.2990271825972E+29
n5 5.034196144826E+36

Nth Root

y√n
2√n 4679.430627758
3√n 279.76626327027
4√n 68.406363941947
5√n 29.381719296342

Divisors of 21897071

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 -21897070
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 21897071 can be divided by 24 positive divisors. The sum of these divisors (counting 21897071) is 1, the average is 0.041666666666667.

Base conversion 21897071

Base System Value
2 Binary 1010011100001111101101111
3 Ternary 1112012111010122
4 Quaternary 1103201331233
5 Quinary 21101201241
6 Senary 2101155155
8 Octal 123417557
10 Decimal 21897071
12 Duodecimal 73bbabb
16 Hexadecimal 14e1f6f
20 Vigesimal 6gh2db
36 Base36 d1bvz

Cryptographic Hash Functions

md5 3b2f463fd56138da73e652d0e31385e5
sha1 addf79bcad907d2996e03754cd9f876af70a93d4
sha256 495bf2aee8d66e025c800d36305c0421fdc2d75726f281dbccac8d8de7b6e102
sha512 4c924952eee8ff4b6e3a70587b55345f832852e0ca6bd35e6e14ab69480526b8a156afbf62467b93b71f5cac61f3933fe21a6863609febadf3de6ae7cb27ab7e
ripemd-160 c380adc9987f5307586a0c72f797754fe3744793

21897071 as geometric shapes

Circle

Radius = n
Diameter 43794142
Circumference 137583354.77747
Area 1.5063362439902E+15

Sphere

Radius = n
Volume 4.3979135579369E+22
Surface area 6.0253449759608E+15
Circumference 137583354.77747

Square

Length = n
Perimeter 87588284
Area 479481718379041
Diagonal 30967134.784447

Cube

Length = n
Surface area 2876890310274246
Volume 1.0499245230548E+22
Space diagonal 37926839.508943

Equilateral Triangle

Length = n
Perimeter 65691213
Area 2.0762167438323E+14
Altitude 18963419.754472

Triangular Pyramid

Length = n
Surface area 2.0762167438323E+14
Volume 1.2373479166435E+21
Height 10322378.261482