156987 (number)

156987 is an odd 6-digits composite number following 156986 and preceding 156988. In scientific notation, it is written as 1.56987 × 10^5. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 104652 positive integers (up to 156987) that are relatively prime to 156987.

Interesting facts

Basic properties

Name

Name one hundred fifty-six thousand nine hundred eighty-seven

Notation

Scientific notation 1.56987 × 10^5
Engineering notation 1.56987 × 10^3

Prime Factorization of 156987

Prime Factorization 9 × 17443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156987
Product of the distinct prime numbers

The prime factorization of 156987 is 9 × 17443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 156987)

Multiplication

n×y
n×2 313974
n×3 470961
n×4 627948
n×5 784935

Division

n÷y
n÷2 78493.5
n÷3 52329
n÷3 39246.75
n÷5 31397.4

Exponentiation

ny
n2 24644918169
n3 3868931768596803
n4 6.0737199155671E+20
n5 9.5349506838513E+25

Nth Root

y√n
2√n 396.21585026346
3√n 53.945418099546
4√n 19.905171445217
5√n 10.943915674514

Divisors of 156987

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 -156986
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 156987 can be divided by 4 positive divisors. The sum of these divisors (counting 156987) is 1, the average is 0.25.

Base conversion 156987

Base System Value
2 Binary 100110010100111011
3 Ternary 21222100100
4 Quaternary 212110323
5 Quinary 20010422
6 Senary 3210443
8 Octal 462473
10 Decimal 156987
12 Duodecimal 76a23
16 Hexadecimal 2653b
20 Vigesimal jc97
36 Base36 3d4r

Cryptographic Hash Functions

md5 5bdef02eadb858d490d245c2cb660f16
sha1 55187efc344e54ede69ab40f2bc0d68240492d5b
sha256 5a791bddd1ac14dd10eb6be97ed8d800a1853e56980fabffd25f1e4d83a81b7a
sha512 befdc0551cf0b8b8384e88aef6f3e8dbb58906c8f38391f56e55634f845d762b2cb5d64d1b645a654538e74e5caaf3bcc8bc2c54df99d07c974fc7f04c24b7e5
ripemd-160 874a1b2183abdc50f60bf5afeeaa3fed794c0d78

156987 as geometric shapes

Circle

Radius = n
Diameter 313974
Circumference 986378.4118182
Area 77424293868.052

Sphere

Radius = n
Volume 1.6206143495285E+16
Surface area 309697175472.21
Circumference 986378.4118182

Square

Length = n
Perimeter 627948
Area 24644918169
Diagonal 222013.14451627

Cube

Length = n
Surface area 147869509014
Volume 3868931768596803
Space diagonal 271909.46012782

Equilateral Triangle

Length = n
Perimeter 470961
Area 10671562604.271
Altitude 135954.73006391

Triangular Pyramid

Length = n
Surface area 10671562604.271
Volume 4.5595798158714E+14
Height 74004.381505422