21702978 (number)

21702978 is an even 8-digits composite number following 21702977 and preceding 21702979. In scientific notation, it is written as 2.1702978 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 6220800 positive integers (up to 21702978) that are relatively prime to 21702978.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred two thousand nine hundred seventy-eight

Notation

Scientific notation 2.1702978 × 10^7
Engineering notation 2.1702978 × 10^6

Prime Factorization of 21702978

Prime Factorization 2 × 9 × 9 × 209 × 641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2411442
Product of the distinct prime numbers

The prime factorization of 21702978 is 2 × 9 × 9 × 209 × 641. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 31, 60, 954, 216, 8016, 1992, 73571, 65759, 356695, 699679, 3909401, 5796202, 36516268, 46246863, 423635911, 327195017, 66039775, 3432284148

Basic calculations (n = 21702978)

Multiplication

n×y
n×2 43405956
n×3 65108934
n×4 86811912
n×5 108514890

Division

n÷y
n÷2 10851489
n÷3 7234326
n÷3 5425744.5
n÷5 4340595.6

Exponentiation

ny
n2 471019254068484
n3 1.0222520508625E+22
n4 2.2185913770323E+29
n5 4.8150039846722E+36

Nth Root

y√n
2√n 4658.6455113048
3√n 278.93720404276
4√n 68.254271011452
5√n 29.329446425942

Divisors of 21702978

1, 2, 9, 18, 81, 162, 209, 418, 641, 1282, 1881, 3762, 5769, 11538, 16929, 33858, 51921, 103842, 133969, 267938, 1205721, 2411442, 10851489, 21702978

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21702977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21702978 can be divided by 24 positive divisors. The sum of these divisors (counting 21702978) is 1, the average is 0.041666666666667.

Base conversion 21702978

Base System Value
2 Binary 1010010110010100101000010
3 Ternary 1111211121220000
4 Quaternary 1102302211002
5 Quinary 21023443403
6 Senary 2053100430
8 Octal 122624502
10 Decimal 21702978
12 Duodecimal 7327716
16 Hexadecimal 14b2942
20 Vigesimal 6fch8i
36 Base36 cx64i

Cryptographic Hash Functions

md5 de6f6710419fdbbe2143cb4fe944dda4
sha1 ffa15f1cd9f1848e4bb9173c6e4beb4883bd8cea
sha256 744a7e8ee534be751023bee5f39baadfd09a9ee4caada981a73436d948238001
sha512 cdbb46906f83aad8d3190846ca324fb34383e4984bbd5ef313ecf426c3a725b2c6accb96b65be92e5ce8739b1340a173a3ac92342dda9ac8111ec5a82309da04
ripemd-160 247caa1cea84c66aafd27b3944414ce0ebfe418d

21702978 as geometric shapes

Circle

Radius = n
Diameter 43405956
Circumference 136363832.49164
Area 1.4797506282809E+15

Sphere

Radius = n
Volume 4.2819993774755E+22
Surface area 5.9190025131236E+15
Circumference 136363832.49164

Square

Length = n
Perimeter 86811912
Area 471019254068484
Diagonal 30692645.831485

Cube

Length = n
Surface area 2826115524410904
Volume 1.0222520508625E+22
Space diagonal 37590660.57155

Equilateral Triangle

Length = n
Perimeter 65108934
Area 2.0395731984745E+14
Altitude 18795330.285775

Triangular Pyramid

Length = n
Surface area 2.0395731984745E+14
Volume 1.2047355954112E+21
Height 10230881.943828