20157790 (number)

20157790 is an even 8-digits composite number following 20157789 and preceding 20157791. In scientific notation, it is written as 2.0157790 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 8063112 positive integers (up to 20157790) that are relatively prime to 20157790.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand seven hundred ninety

Notation

Scientific notation 2.0157790 × 10^7
Engineering notation 2.0157790 × 10^6

Prime Factorization of 20157790

Prime Factorization 2 × 5 × 2015779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157790
Product of the distinct prime numbers

The prime factorization of 20157790 is 2 × 5 × 2015779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157790)

Multiplication

n×y
n×2 40315580
n×3 60473370
n×4 80631160
n×5 100788950

Division

n÷y
n÷2 10078895
n÷3 6719263.3333333
n÷3 5039447.5
n÷5 4031558

Exponentiation

ny
n2 406336497684100
n3 8.1908457896516E+21
n4 1.6510934935018E+29
n5 3.3282395912376E+36

Nth Root

y√n
2√n 4489.7427543235
3√n 272.15373914007
4√n 67.005542713446
5√n 28.899383838631

Divisors of 20157790

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 -20157789
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 20157790 can be divided by 8 positive divisors. The sum of these divisors (counting 20157790) is 1, the average is 0.125.

Base conversion 20157790

Base System Value
2 Binary 1001100111001010101011110
3 Ternary 1101221010021211
4 Quaternary 1030321111132
5 Quinary 20130022130
6 Senary 2000015034
8 Octal 114712536
10 Decimal 20157790
12 Duodecimal 690147a
16 Hexadecimal 133955e
20 Vigesimal 65je9a
36 Base36 c01um

Cryptographic Hash Functions

md5 dbc7fe01663f350fc26aeda2bbfd419e
sha1 cefda1c747d4b79ad8ae97e7dd39314f3461857f
sha256 6a64ed1b6b48f552b2c754bc83518ab5171dd1cc30f48e4d7afd4376a00ceaac
sha512 710c0aa3075d8ba49630d42f24e9ea583a23f3d6d89679b0e7e7a39ba8a1ea5940a961fc89910751112bb02fa9c1170b5fa85ce82b44f8e18344b4241144f476
ripemd-160 4d8424b504434bcac246c90364b0e91753debab7

20157790 as geometric shapes

Circle

Radius = n
Diameter 40315580
Circumference 126655129.95321
Area 1.2765437560098E+15

Sphere

Radius = n
Volume 3.4309734612608E+22
Surface area 5.1061750240391E+15
Circumference 126655129.95321

Square

Length = n
Perimeter 80631160
Area 406336497684100
Diagonal 28507420.005469

Cube

Length = n
Surface area 2438018986104600
Volume 8.1908457896516E+21
Space diagonal 34914316.448304

Equilateral Triangle

Length = n
Perimeter 60473370
Area 1.7594886473961E+14
Altitude 17457158.224152

Triangular Pyramid

Length = n
Surface area 1.7594886473961E+14
Volume 9.6530043358599E+20
Height 9502473.3351563