21802642 (number)

21802642 is an even 8-digits composite number following 21802641 and preceding 21802643. In scientific notation, it is written as 2.1802642 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10669332 positive integers (up to 21802642) that are relatively prime to 21802642.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred two thousand six hundred forty-two

Notation

Scientific notation 2.1802642 × 10^7
Engineering notation 2.1802642 × 10^6

Prime Factorization of 21802642

Prime Factorization 2 × 47 × 231943

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21802642
Product of the distinct prime numbers

The prime factorization of 21802642 is 2 × 47 × 231943. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21802642)

Multiplication

n×y
n×2 43605284
n×3 65407926
n×4 87210568
n×5 109013210

Division

n÷y
n÷2 10901321
n÷3 7267547.3333333
n÷3 5450660.5
n÷5 4360528.4

Exponentiation

ny
n2 475355198180164
n3 1.0363999208761E+22
n4 2.259625644369E+29
n5 4.9265808978197E+36

Nth Root

y√n
2√n 4669.3299305147
3√n 279.36352881613
4√n 68.332495421393
5√n 29.35633430605

Divisors of 21802642

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 -21802641
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 21802642 can be divided by 8 positive divisors. The sum of these divisors (counting 21802642) is 1, the average is 0.125.

Base conversion 21802642

Base System Value
2 Binary 1010011001010111010010010
3 Ternary 1112000200121021
4 Quaternary 1103022322102
5 Quinary 21040141032
6 Senary 2055150054
8 Octal 123127222
10 Decimal 21802642
12 Duodecimal 737532a
16 Hexadecimal 14cae92
20 Vigesimal 6g56c2
36 Base36 czb0y

Cryptographic Hash Functions

md5 1eac245816ea4c62597a9ca9c3d13592
sha1 fd6e785813373c1b143acdeef73198251190bf3e
sha256 18b89c83c539b6163a23a0bfdca2e763fa835054aeabc5ea42f253f303a51878
sha512 db5b181d2033d58fff1ac9519a8ceb5dfd7a06e219aef4c5683f6f3ae16a7d3bcf5bf6544e976245f0a44c0ba30af5bb27e59e015875456b83709c6dc35cb788
ripemd-160 fc765a37353e4a20480b771f6d44c9da05447397

21802642 as geometric shapes

Circle

Radius = n
Diameter 43605284
Circumference 136990039.8721
Area 1.4933723984485E+15

Sphere

Radius = n
Volume 4.3412618368073E+22
Surface area 5.9734895937941E+15
Circumference 136990039.8721

Square

Length = n
Perimeter 87210568
Area 475355198180164
Diagonal 30833592.011965

Cube

Length = n
Surface area 2852131189080984
Volume 1.0363999208761E+22
Space diagonal 37763283.683235

Equilateral Triangle

Length = n
Perimeter 65407926
Area 2.058348387225E+14
Altitude 18881641.841618

Triangular Pyramid

Length = n
Surface area 2.058348387225E+14
Volume 1.2214090201212E+21
Height 10277864.003988