161242005 (number)

161242005 is an odd 9-digits composite number following 161242004 and preceding 161242006. In scientific notation, it is written as 1.61242005 × 10^8. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 82555200 positive integers (up to 161242005) that are relatively prime to 161242005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61242005 × 10^8
Engineering notation 1.61242005 × 10^6

Prime Factorization of 161242005

Prime Factorization 3 × 155 × 131 × 2647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161242005
Product of the distinct prime numbers

The prime factorization of 161242005 is 3 × 155 × 131 × 2647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 4, 25, 263, 189, 2757, 4862, 98592, 87855, 146588, 568799, 8212031, 694984, 82743542, 69758369, 305513234, 37494171, 3766390751, 4170961094

Basic calculations (n = 161242005)

Multiplication

n×y
n×2 322484010
n×3 483726015
n×4 644968020
n×5 806210025

Division

n÷y
n÷2 80621002.5
n÷3 53747335
n÷3 40310501.25
n÷5 32248401

Exponentiation

ny
n2 25998984176420025
n3 4.1921283365692E+24
n4 6.7594717820574E+32
n5 1.0899107828799E+41

Nth Root

y√n
2√n 12698.110292481
3√n 544.28462096546
4√n 112.6858921626
5√n 43.802171168158

Divisors of 161242005

1, 3, 131, 155, 393, 465, 2647, 7941, 20305, 60915, 346757, 410285, 1040271, 1230855, 53747335, 161242005

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 -161242004
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 161242005 can be divided by 16 positive divisors. The sum of these divisors (counting 161242005) is 1, the average is 0.0625.

Base conversion 161242005

Base System Value
2 Binary 1001100111000101101110010101
3 Ternary 102020101221110010
4 Quaternary 21213011232111
5 Quinary 312234221010
6 Senary 23555550433
8 Octal 1147055625
10 Decimal 161242005
12 Duodecimal 45bbb419
16 Hexadecimal 99c5b95
20 Vigesimal 2a7f505
36 Base36 2nzz4l

Cryptographic Hash Functions

md5 d2cf8275e2db8378e86ff3356651564b
sha1 7ef0da225190c95217a0fd611fa9123c100229c2
sha256 a7c67d7066dc2c4818c62d1a5c46fcbf594acf7468859e508758a8fcd732ec88
sha512 a4e62358a3a0fbc0e3068f117042ad00351e07a37ef761e26c9a4d34ece4f76e0d269457cb92774a7f29ee2e02f5fa871a392a5252e00895e4c99456daa28dbd
ripemd-160 c9416f32ae86b0bd184d6b975f98d9903b9afd7d

161242005 as geometric shapes

Circle

Radius = n
Diameter 322484010
Circumference 1013113396.7162
Area 8.1678217689438E+16

Sphere

Radius = n
Volume 1.7559946113429E+25
Surface area 3.2671287075775E+17
Circumference 1013113396.7162

Square

Length = n
Perimeter 644968020
Area 25998984176420025
Diagonal 228030630.29523

Cube

Length = n
Surface area 155993905058520150
Volume 4.1921283365692E+24
Space diagonal 279279344.97427

Equilateral Triangle

Length = n
Perimeter 483726015
Area 1.1257890384685E+16
Altitude 139639672.48714

Triangular Pyramid

Length = n
Surface area 1.1257890384685E+16
Volume 4.9404706239873E+23
Height 76010210.09841