21158087 (number)

21158087 is an odd 8-digits composite number following 21158086 and preceding 21158088. In scientific notation, it is written as 2.1158087 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21077376 positive integers (up to 21158087) that are relatively prime to 21158087.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-eight thousand eighty-seven

Notation

Scientific notation 2.1158087 × 10^7
Engineering notation 2.1158087 × 10^6

Prime Factorization of 21158087

Prime Factorization 263 × 80449

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21158087
Product of the distinct prime numbers

The prime factorization of 21158087 is 263 × 80449. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21158087)

Multiplication

n×y
n×2 42316174
n×3 63474261
n×4 84632348
n×5 105790435

Division

n÷y
n÷2 10579043.5
n÷3 7052695.6666667
n÷3 5289521.75
n÷5 4231617.4

Exponentiation

ny
n2 447664645499569
n3 9.471727516304E+21
n4 2.0040363483025E+29
n5 4.2401575408548E+36

Nth Root

y√n
2√n 4599.7920605175
3√n 276.58298932328
4√n 67.821766863725
5√n 29.180671375135

Divisors of 21158087

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 -21158086
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 21158087 can be divided by 4 positive divisors. The sum of these divisors (counting 21158087) is 1, the average is 0.25.

Base conversion 21158087

Base System Value
2 Binary 1010000101101100011000111
3 Ternary 1110210221102212
4 Quaternary 1100231203013
5 Quinary 20404024322
6 Senary 2033254035
8 Octal 120554307
10 Decimal 21158087
12 Duodecimal 710431b
16 Hexadecimal 142d8c7
20 Vigesimal 6c4f47
36 Base36 clhon

Cryptographic Hash Functions

md5 eb9a1ecb69299ba7b5bc96bc4dda3609
sha1 970d8fbbb3b0861a758ab1f325a34021492b7e9c
sha256 2f7902cd50a90239dcc9d5086212c8af06cc704a24648076448710f0ad79a77e
sha512 9c4a06f87eab708bb8fea51e5c3ba35e430d4af2d94112a9e3b31c36161f5a673d2ae7ceed81e1bbb2d4db8f99a8546ac9230e228062c49b4a52d64fd47135b7
ripemd-160 02c0fce9d473bbb0960bdc6f70defb838a389c4c

21158087 as geometric shapes

Circle

Radius = n
Diameter 42316174
Circumference 132940181.36643
Area 1.4063799615733E+15

Sphere

Radius = n
Volume 3.96750794427E+22
Surface area 5.6255198462933E+15
Circumference 132940181.36643

Square

Length = n
Perimeter 84632348
Area 447664645499569
Diagonal 29922053.58927

Cube

Length = n
Surface area 2685987872997414
Volume 9.471727516304E+21
Space diagonal 36646881.674963

Equilateral Triangle

Length = n
Perimeter 63474261
Area 1.9384447768939E+14
Altitude 18323440.837481

Triangular Pyramid

Length = n
Surface area 1.9384447768939E+14
Volume 1.1162537927216E+21
Height 9974017.86309