157215 (number)

157215 is an odd 6-digits composite number following 157214 and preceding 157216. In scientific notation, it is written as 1.57215 × 10^5. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 81696 positive integers (up to 157215) that are relatively prime to 157215.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven thousand two hundred fifteen

Notation

Scientific notation 1.57215 × 10^5
Engineering notation 1.57215 × 10^3

Prime Factorization of 157215

Prime Factorization 15 × 47 × 223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157215
Product of the distinct prime numbers

The prime factorization of 157215 is 15 × 47 × 223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157215)

Multiplication

n×y
n×2 314430
n×3 471645
n×4 628860
n×5 786075

Division

n÷y
n÷2 78607.5
n÷3 52405
n÷3 39303.75
n÷5 31443

Exponentiation

ny
n2 24716556225
n3 3885813386913375
n4 6.1090815162359E+20
n5 9.6043925057502E+25

Nth Root

y√n
2√n 396.50346782847
3√n 53.971521334651
4√n 19.912394829062
5√n 10.947092707602

Divisors of 157215

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 -157214
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 157215 can be divided by 8 positive divisors. The sum of these divisors (counting 157215) is 1, the average is 0.125.

Base conversion 157215

Base System Value
2 Binary 100110011000011111
3 Ternary 21222122210
4 Quaternary 212120133
5 Quinary 20012330
6 Senary 3211503
8 Octal 463037
10 Decimal 157215
12 Duodecimal 76b93
16 Hexadecimal 2661f
20 Vigesimal jd0f
36 Base36 3db3

Cryptographic Hash Functions

md5 f381c55ea5a71db498d4751ac9be1055
sha1 f7e7145c10fe8a3ecb3a4aa6a734e5c13d8ef6e0
sha256 26d4f18d786e63f226778bc8d1ceb1505084e9f647733198768686192ea0f6fc
sha512 491d74471e7097b7ff719802ec8aeb9c815cd97c3bfb9532d83eee81bbe4a9bc97f4876a1bff810c0b41a4ac9ed3b27db85eb51a5b10e6823e02511b817823b4
ripemd-160 0c843fab5491a3c97bf5d54311f5f791cddcc4b5

157215 as geometric shapes

Circle

Radius = n
Diameter 314430
Circumference 987810.97806824
Area 77649351458.499

Sphere

Radius = n
Volume 1.6276857052731E+16
Surface area 310597405834
Circumference 987810.97806824

Square

Length = n
Perimeter 628860
Area 24716556225
Diagonal 222335.58520849

Cube

Length = n
Surface area 148299337350
Volume 3885813386913375
Space diagonal 272304.36771194

Equilateral Triangle

Length = n
Perimeter 471645
Area 10702582792.458
Altitude 136152.18385597

Triangular Pyramid

Length = n
Surface area 10702582792.458
Volume 4.5794749938532E+14
Height 74111.861736162