20157997 (number)

20157997 is an odd 8-digits composite number following 20157996 and preceding 20157998. In scientific notation, it is written as 2.0157997 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20148480 positive integers (up to 20157997) that are relatively prime to 20157997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157997 × 10^7
Engineering notation 2.0157997 × 10^6

Prime Factorization of 20157997

Prime Factorization 3181 × 6337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157997
Product of the distinct prime numbers

The prime factorization of 20157997 is 3181 × 6337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157997)

Multiplication

n×y
n×2 40315994
n×3 60473991
n×4 80631988
n×5 100789985

Division

n÷y
n÷2 10078998.5
n÷3 6719332.3333333
n÷3 5039499.25
n÷5 4031599.4

Exponentiation

ny
n2 406344843052009
n3 8.1910981272079E+21
n4 1.6511613147496E+29
n5 3.3284104829239E+36

Nth Root

y√n
2√n 4489.76580681
3√n 272.15467071757
4√n 67.005714732476
5√n 28.899443191843

Divisors of 20157997

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157997 can be divided by 4 positive divisors. The sum of these divisors (counting 20157997) is 1, the average is 0.25.

Base conversion 20157997

Base System Value
2 Binary 1001100111001011000101101
3 Ternary 1101221010120111
4 Quaternary 1030321120231
5 Quinary 20130023442
6 Senary 2000020021
8 Octal 114713055
10 Decimal 20157997
12 Duodecimal 6901611
16 Hexadecimal 133962d
20 Vigesimal 65jejh
36 Base36 c020d

Cryptographic Hash Functions

md5 be4d188a7c31fa0266a6f05fc9417ec6
sha1 5e2332b9fbb0e14f671a173500355bd9dde43ddc
sha256 f7c28a055580585ffa38f27f67859abf69b00c35f1befb77b9fdb1891faa94d7
sha512 1739e2e6f73f8d45b8c39219848b41930d9b77a9887f43ab2f65fb04cf736b694a7001d2499a1458ac893ff8b7b479743da8ed43b18efd599a29cb10bcf8fb1a
ripemd-160 6e3182a5983cbd758bf6e4397f8d783b8db68d9f

20157997 as geometric shapes

Circle

Radius = n
Diameter 40315994
Circumference 126656430.57257
Area 1.2765699737563E+15

Sphere

Radius = n
Volume 3.4310791601692E+22
Surface area 5.1062798950252E+15
Circumference 126656430.57257

Square

Length = n
Perimeter 80631988
Area 406344843052009
Diagonal 28507712.747676

Cube

Length = n
Surface area 2438069058312054
Volume 8.1910981272079E+21
Space diagonal 34914674.982821

Equilateral Triangle

Length = n
Perimeter 60473991
Area 1.7595247838992E+14
Altitude 17457337.491411

Triangular Pyramid

Length = n
Surface area 1.7595247838992E+14
Volume 9.6533017185219E+20
Height 9502570.9158921