161661542 (number)

161661542 is an even 9-digits composite number following 161661541 and preceding 161661543. In scientific notation, it is written as 1.61661542 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 69136008 positive integers (up to 161661542) that are relatively prime to 161661542.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred sixty-one thousand five hundred forty-two

Notation

Scientific notation 1.61661542 × 10^8
Engineering notation 1.61661542 × 10^6

Prime Factorization of 161661542

Prime Factorization 2 × 7 × 479 × 24107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161661542
Product of the distinct prime numbers

The prime factorization of 161661542 is 2 × 7 × 479 × 24107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 46, 65, 409, 790, 283, 908, 46199, 88493, 919958, 271640, 8539669, 9631057, 73919518, 91572582, 139812506, 5383455, 8325049009, 5307766009

Basic calculations (n = 161661542)

Multiplication

n×y
n×2 323323084
n×3 484984626
n×4 646646168
n×5 808307710

Division

n÷y
n÷2 80830771
n÷3 53887180.666667
n÷3 40415385.5
n÷5 32332308.4

Exponentiation

ny
n2 26134454161817764
n3 4.2249361591278E+24
n4 6.8300969433615E+32
n5 1.1041640038733E+41

Nth Root

y√n
2√n 12714.619223555
3√n 544.75627179514
4√n 112.75912035643
5√n 43.82494133349

Divisors of 161661542

1, 2, 7, 14, 479, 958, 3353, 6706, 24107, 48214, 168749, 337498, 11547253, 23094506, 80830771, 161661542

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161661541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161661542 can be divided by 16 positive divisors. The sum of these divisors (counting 161661542) is 1, the average is 0.0625.

Base conversion 161661542

Base System Value
2 Binary 1001101000101100001001100110
3 Ternary 102021012020221112
4 Quaternary 21220230021212
5 Quinary 312341132132
6 Senary 24012545022
8 Octal 1150541146
10 Decimal 161661542
12 Duodecimal 46182172
16 Hexadecimal 9a2c266
20 Vigesimal 2aa7dh2
36 Base36 2o8yue

Cryptographic Hash Functions

md5 5bfe99ff5393ba45e58af0b81d25c102
sha1 8f8a98060aaf3d9468eaca5326a8907b26ffdf93
sha256 35766b385350754f7de2aff5e9a06ce295673b663070e9712f47ab6b965ba615
sha512 520e9189292ced31d6dab3030c8070884cf9d58048cfd77aae7fa9f24317a562d776df9c7bb11162b9cd52dd75982bf2d75cae7bcb9f8c971a6264937765d672
ripemd-160 d233e3cbb7ad5128f84d6384f1a70902e0f1041f

161661542 as geometric shapes

Circle

Radius = n
Diameter 323323084
Circumference 1015749425.4304
Area 8.2103809200346E+16

Sphere

Radius = n
Volume 1.7697371199202E+25
Surface area 3.2841523680138E+17
Circumference 1015749425.4304

Square

Length = n
Perimeter 646646168
Area 26134454161817764
Diagonal 228623945.21055

Cube

Length = n
Surface area 156806724970906584
Volume 4.2249361591278E+24
Space diagonal 280006004.37393

Equilateral Triangle

Length = n
Perimeter 484984626
Area 1.1316550609087E+16
Altitude 140003002.18696

Triangular Pyramid

Length = n
Surface area 1.1316550609087E+16
Volume 4.9791350136658E+23
Height 76207981.736849