161005540 (number)

161005540 is an even 9-digits composite number following 161005539 and preceding 161005541. In scientific notation, it is written as 1.61005540 × 10^8. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 64231008 positive integers (up to 161005540) that are relatively prime to 161005540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61005540 × 10^8
Engineering notation 1.61005540 × 10^6

Prime Factorization of 161005540

Prime Factorization 2 × 2 × 5 × 383 × 21019

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80502770
Product of the distinct prime numbers

The prime factorization of 161005540 is 2 × 2 × 5 × 383 × 21019. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 87, 75, 546, 195, 6823, 7197, 71541, 9152, 704303, 334482, 5020930, 294970, 24935198, 77024130, 834408564, 785526077, 3119504715, 2113507027

Basic calculations (n = 161005540)

Multiplication

n×y
n×2 322011080
n×3 483016620
n×4 644022160
n×5 805027700

Division

n÷y
n÷2 80502770
n÷3 53668513.333333
n÷3 40251385
n÷5 32201108

Exponentiation

ny
n2 25922783910691600
n3 4.1737118218442E+24
n4 6.7199072568041E+32
n5 1.0819422966317E+41

Nth Root

y√n
2√n 12688.795845154
3√n 544.01842227838
4√n 112.64455532849
5√n 43.78931625276

Divisors of 161005540

1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 21019, 42038, 84076, 105095, 210190, 420380, 8050277, 16100554, 32201108, 40251385, 80502770, 161005540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161005539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161005540 can be divided by 24 positive divisors. The sum of these divisors (counting 161005540) is 1, the average is 0.041666666666667.

Base conversion 161005540

Base System Value
2 Binary 1001100110001011111111100100
3 Ternary 102012221221002011
4 Quaternary 21212023333210
5 Quinary 312204134130
6 Senary 23550524004
8 Octal 1146137744
10 Decimal 161005540
12 Duodecimal 45b06604
16 Hexadecimal 998bfe4
20 Vigesimal 2a65dh0
36 Base36 2nuwo4

Cryptographic Hash Functions

md5 478f571ee63ba15005bdfa93782f22ca
sha1 221e92c399f835379e815af4b1f19040728f31fe
sha256 0488952486c55cfdb3e5ae8d52d8c5489f1ce41d179f94bec4eb016d71f727e2
sha512 b102a1fe65e1bd983ca20dfa576fa2516eb8125c4ee37ad2d5d3f3f748183a442dee1cba06ae2d12704c78270e36dd0f562e51b708d288f167c98f3a0032d864
ripemd-160 aca73292ab8eb8e286fe92df25cd6fe289d5a510

161005540 as geometric shapes

Circle

Radius = n
Diameter 322011080
Circumference 1011627643.3025
Area 8.1438827494424E+16

Sphere

Radius = n
Volume 1.7482803196942E+25
Surface area 3.257553099777E+17
Circumference 1011627643.3025

Square

Length = n
Perimeter 644022160
Area 25922783910691600
Diagonal 227696218.2852

Cube

Length = n
Surface area 155536703464149600
Volume 4.1737118218442E+24
Space diagonal 278869775.58006

Equilateral Triangle

Length = n
Perimeter 483016620
Area 1.1224894701737E+16
Altitude 139434887.79003

Triangular Pyramid

Length = n
Surface area 1.1224894701737E+16
Volume 4.9187665532408E+23
Height 75898739.428401