21902042 (number)

21902042 is an even 8-digits composite number following 21902041 and preceding 21902043. In scientific notation, it is written as 2.1902042 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 10951020 positive integers (up to 21902042) that are relatively prime to 21902042.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred two thousand forty-two

Notation

Scientific notation 2.1902042 × 10^7
Engineering notation 2.1902042 × 10^6

Prime Factorization of 21902042

Prime Factorization 2 × 10951021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21902042
Product of the distinct prime numbers

The prime factorization of 21902042 is 2 × 10951021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21902042)

Multiplication

n×y
n×2 43804084
n×3 65706126
n×4 87608168
n×5 109510210

Division

n÷y
n÷2 10951021
n÷3 7300680.6666667
n÷3 5475510.5
n÷5 4380408.4

Exponentiation

ny
n2 479699443769764
n3 1.0506397364822E+22
n4 2.3011155635302E+29
n5 5.0399129719292E+36

Nth Root

y√n
2√n 4679.9617519805
3√n 279.78743220301
4√n 68.410245957608
5√n 29.383053203196

Divisors of 21902042

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 -21902041
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 21902042 can be divided by 4 positive divisors. The sum of these divisors (counting 21902042) is 1, the average is 0.25.

Base conversion 21902042

Base System Value
2 Binary 1010011100011001011011010
3 Ternary 1112012201221202
4 Quaternary 1103203023122
5 Quinary 21101331132
6 Senary 2101234202
8 Octal 123431332
10 Decimal 21902042
12 Duodecimal 7402962
16 Hexadecimal 14e32da
20 Vigesimal 6ghf22
36 Base36 d1fq2

Cryptographic Hash Functions

md5 cda155be69dccb75fb38356703442fb8
sha1 5adb3f042d6316dd9f8d4dd174515dfce4fafb04
sha256 1c9e2ac84b6d2f20895b3264eabe7cfe98a2caa87cbc991ebb7a7fe8a1aa8fe6
sha512 5933acea2f2cbbc1dfb8985cf45fcd4edb0300578de08148f5016bee0da9d4c37e3311b89df05ef549d4aae4a89b2c478a47bcf30cf3ff3abbbc441935221dcd
ripemd-160 548fec25f7440e26866837b262c11860d4c71646

21902042 as geometric shapes

Circle

Radius = n
Diameter 43804084
Circumference 137614588.49163
Area 1.5070202484782E+15

Sphere

Radius = n
Volume 4.400909436936E+22
Surface area 6.0280809939128E+15
Circumference 137614588.49163

Square

Length = n
Perimeter 87608168
Area 479699443769764
Diagonal 30974164.840065

Cube

Length = n
Surface area 2878196662618584
Volume 1.0506397364822E+22
Space diagonal 37935449.533507

Equilateral Triangle

Length = n
Perimeter 65706126
Area 2.0771595224294E+14
Altitude 18967724.766754

Triangular Pyramid

Length = n
Surface area 2.0771595224294E+14
Volume 1.238190803751E+21
Height 10324721.613355