21371947 (number)

21371947 is an odd 8-digits composite number following 21371946 and preceding 21371948. In scientific notation, it is written as 2.1371947 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20850640 positive integers (up to 21371947) that are relatively prime to 21371947.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand nine hundred forty-seven

Notation

Scientific notation 2.1371947 × 10^7
Engineering notation 2.1371947 × 10^6

Prime Factorization of 21371947

Prime Factorization 41 × 521267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21371947
Product of the distinct prime numbers

The prime factorization of 21371947 is 41 × 521267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371947)

Multiplication

n×y
n×2 42743894
n×3 64115841
n×4 85487788
n×5 106859735

Division

n÷y
n÷2 10685973.5
n÷3 7123982.3333333
n÷3 5342986.75
n÷5 4274389.4

Exponentiation

ny
n2 456760118570809
n3 9.761853045809E+21
n4 2.0862980591682E+29
n5 4.4588251546746E+36

Nth Root

y√n
2√n 4622.9803157703
3√n 277.51174151547
4√n 67.992501908448
5√n 29.239424315498

Divisors of 21371947

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21371946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21371947 can be divided by 4 positive divisors. The sum of these divisors (counting 21371947) is 1, the average is 0.25.

Base conversion 21371947

Base System Value
2 Binary 1010001100001110000101011
3 Ternary 1111012210210121
4 Quaternary 1101201300223
5 Quinary 20432400242
6 Senary 2042024111
8 Octal 121416053
10 Decimal 21371947
12 Duodecimal 71a8037
16 Hexadecimal 1461c2b
20 Vigesimal 6db9h7
36 Base36 cq2p7

Cryptographic Hash Functions

md5 2818d51c813a4b096d691947f6c146aa
sha1 ffd2a63a43239d949d0482d895dd69ea9913855b
sha256 0b70c9504f7a402b22ee78620af01fbbedbb4843a63391b5af3a59268f6fd0ab
sha512 da06ae04fb823fdbb3e76a8109c0afb30a9ac20dd2c50764154d0298d16868535f59cf3f411afc9ec250e94d2266bb38657be1f043cb41d09001d84ac1adc135
ripemd-160 f0494f92fcf8e435ffcef301b1a8329ac658ac8b

21371947 as geometric shapes

Circle

Radius = n
Diameter 42743894
Circumference 134283903.37622
Area 1.4349542329549E+15

Sphere

Radius = n
Volume 4.0890354418849E+22
Surface area 5.7398169318194E+15
Circumference 134283903.37622

Square

Length = n
Perimeter 85487788
Area 456760118570809
Diagonal 30224497.301719

Cube

Length = n
Surface area 2740560711424854
Volume 9.761853045809E+21
Space diagonal 37017298.060669

Equilateral Triangle

Length = n
Perimeter 64115841
Area 1.9778293305896E+14
Altitude 18508649.030335

Triangular Pyramid

Length = n
Surface area 1.9778293305896E+14
Volume 1.150445414273E+21
Height 10074832.433906