161639 (number)

161639 is an odd 6-digits prime number following 161638 and preceding 161640. In scientific notation, it is written as 1.61639 × 10^5. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 161638 positive integers (up to 161639) that are relatively prime to 161639.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand six hundred thirty-nine

Notation

Scientific notation 1.61639 × 10^5
Engineering notation 1.61639 × 10^3

Prime Factorization of 161639

Prime Factorization 161639

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161639
Product of the distinct prime numbers

The prime factorization of 161639 is 161639. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161639)

Multiplication

n×y
n×2 323278
n×3 484917
n×4 646556
n×5 808195

Division

n÷y
n÷2 80819.5
n÷3 53879.666666667
n÷3 40409.75
n÷5 32327.8

Exponentiation

ny
n2 26127166321
n3 4223169036960119
n4 6.826288199652E+20
n5 1.1033943983035E+26

Nth Root

y√n
2√n 402.04352998152
3√n 54.473095044261
4√n 20.051023165453
5√n 11.00802053353

Divisors of 161639

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161640
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80820
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 402.04477362602
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999987626825
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161639 can be divided by 2 positive divisors. The sum of these divisors (counting 161639) is 161640, the average is 80820.

Base conversion 161639

Base System Value
2 Binary 100111011101100111
3 Ternary 22012201122
4 Quaternary 213131213
5 Quinary 20133024
6 Senary 3244155
8 Octal 473547
10 Decimal 161639
12 Duodecimal 7965b
16 Hexadecimal 27767
20 Vigesimal 1041j
36 Base36 3gpz

Cryptographic Hash Functions

md5 8384ded04116e0a5a9c8bd5f003b5e38
sha1 4df2e9ba8e42e0e4c145c19cc63e04ad3cbd302c
sha256 ba1d6f02e46ea21b03ce13722383dc94e1e2c23f7482b82294702b34d807b942
sha512 0c70107757b760aa9c3212faec7b57ce5e64f47df2098bbbaff04fcddd49ad58c0d0a4ea692c3d1ce1bca6aeebe2a72f388ed0bd8cffb8d3d1a535b0cb6f1f0e
ripemd-160 c0ec84b66ef0f5db3b506f47917323a0c5321daf

161639 as geometric shapes

Circle

Radius = n
Diameter 323278
Circumference 1015607.7898672
Area 82080913773.172

Sphere

Radius = n
Volume 1.7689969095176E+16
Surface area 328323655092.69
Circumference 1015607.7898672

Square

Length = n
Perimeter 646556
Area 26127166321
Diagonal 228592.06600842

Cube

Length = n
Surface area 156762997926
Volume 4223169036960119
Space diagonal 279966.96048463

Equilateral Triangle

Length = n
Perimeter 484917
Area 11313394881.444
Altitude 139983.48024231

Triangular Pyramid

Length = n
Surface area 11313394881.444
Volume 4.9770524402193E+14
Height 76197.355336142