21031789 (number)

21031789 is an odd 8-digits composite number following 21031788 and preceding 21031790. In scientific notation, it is written as 2.1031789 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 20557056 positive integers (up to 21031789) that are relatively prime to 21031789.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred eighty-nine

Notation

Scientific notation 2.1031789 × 10^7
Engineering notation 2.1031789 × 10^6

Prime Factorization of 21031789

Prime Factorization 59 × 193 × 1847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031789
Product of the distinct prime numbers

The prime factorization of 21031789 is 59 × 193 × 1847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 4, 5, 55, 770, 301, 6318, 8740, 7849, 87377, 71773, 640244, 2550772, 9545305, 18064130, 94716103, 514638772, 945688254, 4333358023, 8389362118

Basic calculations (n = 21031789)

Multiplication

n×y
n×2 42063578
n×3 63095367
n×4 84127156
n×5 105158945

Division

n÷y
n÷2 10515894.5
n÷3 7010596.3333333
n÷3 5257947.25
n÷5 4206357.8

Exponentiation

ny
n2 442336148540521
n3 9.3031205431769E+21
n4 1.9566126830566E+29
n5 4.1151065104771E+36

Nth Root

y√n
2√n 4586.0428475975
3√n 276.03155926316
4√n 67.72032817107
5√n 29.145750525603

Divisors of 21031789

1, 59, 193, 1847, 11387, 108973, 356471, 21031789

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 -21031788
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 21031789 can be divided by 8 positive divisors. The sum of these divisors (counting 21031789) is 1, the average is 0.125.

Base conversion 21031789

Base System Value
2 Binary 1010000001110101101101101
3 Ternary 1110120112012011
4 Quaternary 1100032231231
5 Quinary 20341004124
6 Senary 2030441221
8 Octal 120165555
10 Decimal 21031789
12 Duodecimal 7063211
16 Hexadecimal 140eb6d
20 Vigesimal 6b8j99
36 Base36 cis8d

Cryptographic Hash Functions

md5 4f53b49c99560c6591d692418cbc6d2f
sha1 cb5ea1c9593c7785e641725fc3868cfeb56b5174
sha256 3a28503f88705bb6af7bbc02f3115870c6af3cbc88f281dd113082f3979e86e6
sha512 e9457b4601514d32904754f6520a1d1ffaaeae56a72c3a056e38b4d00a5e4a0314fece29b1e92e57e16fb1f8579b4b30475c527abdee9e15329cdfccea67993c
ripemd-160 bcf54d50e3e70520aa0c7775a27ae14a4e835ff6

21031789 as geometric shapes

Circle

Radius = n
Diameter 42063578
Circumference 132146627.6285
Area 1.3896399946721E+15

Sphere

Radius = n
Volume 3.8968820205206E+22
Surface area 5.5585599786884E+15
Circumference 132146627.6285

Square

Length = n
Perimeter 84127156
Area 442336148540521
Diagonal 29743441.244769

Cube

Length = n
Surface area 2654016891243126
Volume 9.3031205431769E+21
Space diagonal 36428127.122068

Equilateral Triangle

Length = n
Perimeter 63095367
Area 1.9153717082413E+14
Altitude 18214063.561034

Triangular Pyramid

Length = n
Surface area 1.9153717082413E+14
Volume 1.0963832703794E+21
Height 9914480.4149231