21897142 (number)

21897142 is an even 8-digits composite number following 21897141 and preceding 21897143. In scientific notation, it is written as 2.1897142 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10762944 positive integers (up to 21897142) that are relatively prime to 21897142.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-seven thousand one hundred forty-two

Notation

Scientific notation 2.1897142 × 10^7
Engineering notation 2.1897142 × 10^6

Prime Factorization of 21897142

Prime Factorization 2 × 59 × 185569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21897142
Product of the distinct prime numbers

The prime factorization of 21897142 is 2 × 59 × 185569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21897142)

Multiplication

n×y
n×2 43794284
n×3 65691426
n×4 87588568
n×5 109485710

Division

n÷y
n÷2 10948571
n÷3 7299047.3333333
n÷3 5474285.5
n÷5 4379428.4

Exponentiation

ny
n2 479484827768164
n3 1.0499347360485E+22
n4 2.2990570005987E+29
n5 5.0342777608203E+36

Nth Root

y√n
2√n 4679.4382141449
3√n 279.76656564531
4√n 68.406419392809
5√n 29.381738350026

Divisors of 21897142

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21897141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21897142 can be divided by 8 positive divisors. The sum of these divisors (counting 21897142) is 1, the average is 0.125.

Base conversion 21897142

Base System Value
2 Binary 1010011100001111110110110
3 Ternary 1112012111020021
4 Quaternary 1103201332312
5 Quinary 21101202032
6 Senary 2101155354
8 Octal 123417666
10 Decimal 21897142
12 Duodecimal 73bbb5a
16 Hexadecimal 14e1fb6
20 Vigesimal 6gh2h2
36 Base36 d1bxy

Cryptographic Hash Functions

md5 c75b5c129a1e7b2fbfb845ce0219ccbc
sha1 dce3dfb6d61d28ef1abe86f4910f1f32bb9af37d
sha256 397349d8a0e0f65b18147d647862bfdfa70c3dbced68642c001a0fdf9505044e
sha512 d3c4e3126748102294785a2cca0574ed01d2cddbc2a125add43ff198c97e46600766a2463a3ae2f532575558e1c5a279459c23e3813eed490682402ed74525d5
ripemd-160 fea3d102d5a08147b04e365d40a32346df7a3340

21897142 as geometric shapes

Circle

Radius = n
Diameter 43794284
Circumference 137583800.88363
Area 1.5063460124242E+15

Sphere

Radius = n
Volume 4.397956338025E+22
Surface area 6.0253840496969E+15
Circumference 137583800.88363

Square

Length = n
Perimeter 87588568
Area 479484827768164
Diagonal 30967235.19361

Cube

Length = n
Surface area 2876908966608984
Volume 1.0499347360485E+22
Space diagonal 37926962.48455

Equilateral Triangle

Length = n
Perimeter 65691426
Area 2.0762302078822E+14
Altitude 18963481.242275

Triangular Pyramid

Length = n
Surface area 2.0762302078822E+14
Volume 1.237359952772E+21
Height 10322411.731203