161871 (number)

161871 is an odd 6-digits composite number following 161870 and preceding 161872. In scientific notation, it is written as 1.61871 × 10^5. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 106392 positive integers (up to 161871) that are relatively prime to 161871.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand eight hundred seventy-one

Notation

Scientific notation 1.61871 × 10^5
Engineering notation 1.61871 × 10^3

Prime Factorization of 161871

Prime Factorization 3 × 79 × 683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161871
Product of the distinct prime numbers

The prime factorization of 161871 is 3 × 79 × 683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161871)

Multiplication

n×y
n×2 323742
n×3 485613
n×4 647484
n×5 809355

Division

n÷y
n÷2 80935.5
n÷3 53957
n÷3 40467.75
n÷5 32374.2

Exponentiation

ny
n2 26202220641
n3 4241379657379311
n4 6.8655636651965E+20
n5 1.111335656049E+26

Nth Root

y√n
2√n 402.33195249694
3√n 54.499144278571
4√n 20.058214090415
5√n 11.011178677054

Divisors of 161871

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 -161870
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 161871 can be divided by 8 positive divisors. The sum of these divisors (counting 161871) is 1, the average is 0.125.

Base conversion 161871

Base System Value
2 Binary 100111100001001111
3 Ternary 22020001020
4 Quaternary 213201033
5 Quinary 20134441
6 Senary 3245223
8 Octal 474117
10 Decimal 161871
12 Duodecimal 79813
16 Hexadecimal 2784f
20 Vigesimal 104db
36 Base36 3gwf

Cryptographic Hash Functions

md5 5b5c9c0ddd4a4f08b2800662c0042659
sha1 536dc928f10c3b663623aa3d12877736a5bbf243
sha256 92a02dece56651aaf5c4e3d516fd9aa51abb6f8bdd08ed0123f3ba254504d645
sha512 d6817bff05d0e29ba0a71fffc9f427f10122259de06248d7212d4c68de15e7cf7157f8deff50604d38736bc23be8f3084c9cef248963f41d2db35246dba56ffc
ripemd-160 837e7beced0e916afc4d8cd1b7cf0fa43f03215a

161871 as geometric shapes

Circle

Radius = n
Diameter 323742
Circumference 1017065.4888585
Area 82316703873.504

Sphere

Radius = n
Volume 1.7766249563611E+16
Surface area 329266815494.02
Circumference 1017065.4888585

Square

Length = n
Perimeter 647484
Area 26202220641
Diagonal 228920.1635549

Cube

Length = n
Surface area 157213323846
Volume 4241379657379311
Space diagonal 280368.79627198

Equilateral Triangle

Length = n
Perimeter 485613
Area 11345894355.335
Altitude 140184.39813599

Triangular Pyramid

Length = n
Surface area 11345894355.335
Volume 4.9985138621993E+14
Height 76306.721184965