20851449 (number)

20851449 is an odd 8-digits composite number following 20851448 and preceding 20851450. In scientific notation, it is written as 2.0851449 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13815360 positive integers (up to 20851449) that are relatively prime to 20851449.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-one thousand four hundred forty-nine

Notation

Scientific notation 2.0851449 × 10^7
Engineering notation 2.0851449 × 10^6

Prime Factorization of 20851449

Prime Factorization 3 × 163 × 42641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20851449
Product of the distinct prime numbers

The prime factorization of 20851449 is 3 × 163 × 42641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20851449)

Multiplication

n×y
n×2 41702898
n×3 62554347
n×4 83405796
n×5 104257245

Division

n÷y
n÷2 10425724.5
n÷3 6950483
n÷3 5212862.25
n÷5 4170289.8

Exponentiation

ny
n2 434782925399601
n3 9.0658539950406E+21
n4 1.8903619221904E+29
n5 3.9416785212094E+36

Nth Root

y√n
2√n 4566.338686519
3√n 275.24033645306
4√n 67.574689688662
5√n 29.095595345968

Divisors of 20851449

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 -20851448
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 20851449 can be divided by 8 positive divisors. The sum of these divisors (counting 20851449) is 1, the average is 0.125.

Base conversion 20851449

Base System Value
2 Binary 1001111100010101011111001
3 Ternary 1110020100210220
4 Quaternary 1033202223321
5 Quinary 20314221244
6 Senary 2022530253
8 Octal 117425371
10 Decimal 20851449
12 Duodecimal 6b96989
16 Hexadecimal 13e2af9
20 Vigesimal 6a68c9
36 Base36 cex2x

Cryptographic Hash Functions

md5 3205852cfb87f495b97fd3b7f6f9ee2e
sha1 82cf791ab2c150d957914690b1bd3b9514ca085c
sha256 1bcda06e3d8bcb762efb4afdb8bf383f49359c66224141a196372212c28573eb
sha512 7e29c536b085b7f8f2b0365a9084febb05f9ea4d1ccb547597439cce25ce93b1629d94f1bb63641d6465894fbf435b9478bee479d71da62088ec407dbcaff8f1
ripemd-160 e201a25b59ba6a5428dd72ddc92b6b162a293a5e

20851449 as geometric shapes

Circle

Radius = n
Diameter 41702898
Circumference 131013517.9902
Area 1.3659108443417E+15

Sphere

Radius = n
Volume 3.797496041245E+22
Surface area 5.4636433773667E+15
Circumference 131013517.9902

Square

Length = n
Perimeter 83405796
Area 434782925399601
Diagonal 29488401.970931

Cube

Length = n
Surface area 2608697552397606
Volume 9.0658539950406E+21
Space diagonal 36115769.079431

Equilateral Triangle

Length = n
Perimeter 62554347
Area 1.8826652926388E+14
Altitude 18057884.539716

Triangular Pyramid

Length = n
Surface area 1.8826652926388E+14
Volume 1.0684211395234E+21
Height 9829467.3236436