20857729 (number)

20857729 is an odd 8-digits prime number following 20857728 and preceding 20857730. In scientific notation, it is written as 2.0857729 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 20857728 positive integers (up to 20857729) that are relatively prime to 20857729.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-seven thousand seven hundred twenty-nine

Notation

Scientific notation 2.0857729 × 10^7
Engineering notation 2.0857729 × 10^6

Prime Factorization of 20857729

Prime Factorization 20857729

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20857729
Product of the distinct prime numbers

The prime factorization of 20857729 is 20857729. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20857729)

Multiplication

n×y
n×2 41715458
n×3 62573187
n×4 83430916
n×5 104288645

Division

n÷y
n÷2 10428864.5
n÷3 6952576.3333333
n÷3 5214432.25
n÷5 4171545.8

Exponentiation

ny
n2 435044859037441
n3 9.0740477726461E+21
n4 1.8926402937491E+29
n5 3.9476178341498E+36

Nth Root

y√n
2√n 4567.0262753788
3√n 275.26796580091
4√n 67.579777118445
5√n 29.097347726152

Divisors of 20857729

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20857730
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10428865
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4567.0263848592
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999041123
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20857729 can be divided by 2 positive divisors. The sum of these divisors (counting 20857729) is 20857730, the average is 10428865.

Base conversion 20857729

Base System Value
2 Binary 1001111100100001110000001
3 Ternary 1110020200102111
4 Quaternary 1033210032001
5 Quinary 20314421404
6 Senary 2023015321
8 Octal 117441601
10 Decimal 20857729
12 Duodecimal 6b9a541
16 Hexadecimal 13e4381
20 Vigesimal 6a7469
36 Base36 cf1xd

Cryptographic Hash Functions

md5 85e51a42adb8c3b16e603ba38698542e
sha1 87b2a7ab9dc347be2da8f63dab935c45d947c53d
sha256 e0f48888ab731a66e94c838ce14ca7610b41377cd70292eabcc9e34bd00bd290
sha512 47dde45107e7df89c0fbbc07cc918930c9142d67569191a5c2de19064070fe94c323184c32da97d508170efac44430830655d446da8d7202fe3f8f3f3f25f8b5
ripemd-160 816b05c8ecfd6e99b779fc652cb4563b973b239b

20857729 as geometric shapes

Circle

Radius = n
Diameter 41715458
Circumference 131052976.39393
Area 1.366733733134E+15

Sphere

Radius = n
Volume 3.8009282427824E+22
Surface area 5.4669349325361E+15
Circumference 131052976.39393

Square

Length = n
Perimeter 83430916
Area 435044859037441
Diagonal 29497283.232103

Cube

Length = n
Surface area 2610269154224646
Volume 9.0740477726461E+21
Space diagonal 36126646.358503

Equilateral Triangle

Length = n
Perimeter 62573187
Area 1.8837994985612E+14
Altitude 18063323.179251

Triangular Pyramid

Length = n
Surface area 1.8837994985612E+14
Volume 1.0693867854748E+21
Height 9832427.7440342