161009581 (number)

161009581 is an odd 9-digits composite number following 161009580 and preceding 161009582. In scientific notation, it is written as 1.61009581 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 160737472 positive integers (up to 161009581) that are relatively prime to 161009581.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine thousand five hundred eighty-one

Notation

Scientific notation 1.61009581 × 10^8
Engineering notation 1.61009581 × 10^6

Prime Factorization of 161009581

Prime Factorization 593 × 271517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161009581
Product of the distinct prime numbers

The prime factorization of 161009581 is 593 × 271517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 98, 36, 123, 270, 8673, 7871, 44691, 40692, 66312, 267973, 7867312, 8445875, 75899553, 23833176, 564359558, 557917360, 3280583668, 274074447

Basic calculations (n = 161009581)

Multiplication

n×y
n×2 322019162
n×3 483028743
n×4 644038324
n×5 805047905

Division

n÷y
n÷2 80504790.5
n÷3 53669860.333333
n÷3 40252395.25
n÷5 32201916.2

Exponentiation

ny
n2 25924085173795561
n3 4.1740260916411E+24
n4 6.7205819209821E+32
n5 1.0820780791735E+41

Nth Root

y√n
2√n 12688.955079123
3√n 544.02297359186
4√n 112.64526212461
5√n 43.789536059917

Divisors of 161009581

1, 593, 271517, 161009581

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 -161009580
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 161009581 can be divided by 4 positive divisors. The sum of these divisors (counting 161009581) is 1, the average is 0.25.

Base conversion 161009581

Base System Value
2 Binary 1001100110001100111110101101
3 Ternary 102012222010121211
4 Quaternary 21212030332231
5 Quinary 312204301311
6 Senary 23550554421
8 Octal 1146147655
10 Decimal 161009581
12 Duodecimal 45b08a11
16 Hexadecimal 998cfad
20 Vigesimal 2a663j1
36 Base36 2nuzsd

Cryptographic Hash Functions

md5 bf1464e6cc93b19637abd916fe96470b
sha1 50954afac2f26a7f5238bf93159de259f0f4f4d8
sha256 17d284fe0328a112978a5bb110d94cc1e8442ad1d748b85f37cf54493a5942fc
sha512 d62c2edc9a4d306b5ee0a13e2d6e1c23aec4aef475451499b48eec8187ee6cb0dd140c3e611a4f6f2c5010f666839e45c2fce50f6d4349029e85633748bc2a63
ripemd-160 55d4aa54ce251b9dc0dcc37eb81e3780c39434c7

161009581 as geometric shapes

Circle

Radius = n
Diameter 322019162
Circumference 1011653033.6543
Area 8.1442915533032E+16

Sphere

Radius = n
Volume 1.7484119607189E+25
Surface area 3.2577166213213E+17
Circumference 1011653033.6543

Square

Length = n
Perimeter 644038324
Area 25924085173795561
Diagonal 227701933.12221

Cube

Length = n
Surface area 155544511042773366
Volume 4.1740260916411E+24
Space diagonal 278876774.79738

Equilateral Triangle

Length = n
Perimeter 483028743
Area 1.1225458165189E+16
Altitude 139438387.39869

Triangular Pyramid

Length = n
Surface area 1.1225458165189E+16
Volume 4.9191369237484E+23
Height 75900644.37407