161808401 (number)

161808401 is an odd 9-digits prime number following 161808400 and preceding 161808402. In scientific notation, it is written as 1.61808401 × 10^8. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 161808400 positive integers (up to 161808401) that are relatively prime to 161808401.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred eight thousand four hundred one

Notation

Scientific notation 1.61808401 × 10^8
Engineering notation 1.61808401 × 10^6

Prime Factorization of 161808401

Prime Factorization 161808401

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161808401
Product of the distinct prime numbers

The prime factorization of 161808401 is 161808401. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 8, 46, 66, 742, 988, 9595, 9064, 77791, 93403, 285929, 292362, 6505426, 2706488, 17674705, 84997795, 847028789, 204220177, 5629489043, 808203210

Basic calculations (n = 161808401)

Multiplication

n×y
n×2 323616802
n×3 485425203
n×4 647233604
n×5 809042005

Division

n÷y
n÷2 80904200.5
n÷3 53936133.666667
n÷3 40452100.25
n÷5 32361680.2

Exponentiation

ny
n2 26181958634176801
n3 4.2364608616443E+24
n4 6.8549495792175E+32
n5 1.1091884303488E+41

Nth Root

y√n
2√n 12720.393114995
3√n 544.92118042029
4√n 112.78472021952
5√n 43.832900863687

Divisors of 161808401

1, 161808401

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161808402
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80904201
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12720.393154301
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999876397
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161808401 can be divided by 2 positive divisors. The sum of these divisors (counting 161808401) is 161808402, the average is 80904201.

Base conversion 161808401

Base System Value
2 Binary 1001101001010000000000010001
3 Ternary 102021110201101202
4 Quaternary 21221100000101
5 Quinary 312410332101
6 Senary 24020040545
8 Octal 1151200021
10 Decimal 161808401
12 Duodecimal 46233155
16 Hexadecimal 9a50011
20 Vigesimal 2ab6101
36 Base36 2oc45t

Cryptographic Hash Functions

md5 b756893023b974382725b26badd7f4f9
sha1 526e40ec4c1fd05c3fab775f4682d0f6777955b2
sha256 01ca85dea652e5edc49ee1277988d2a00ac6d986a01301d8b0c2738b9a39efff
sha512 b4cdeb53559aeddc3f1ec5bb4cb92e29ad450a94e047c57e0981bb9f3bc473fb883ac20f778902a73f67a487923c7418cf565b87acf2f92226665a3c939ebad7
ripemd-160 9805ec4e8a262e1249c1a56b77ee0dfa3e03dd39

161808401 as geometric shapes

Circle

Radius = n
Diameter 323616802
Circumference 1016672167.7414
Area 8.2253048901722E+16

Sphere

Radius = n
Volume 1.7745645760217E+25
Surface area 3.2901219560689E+17
Circumference 1016672167.7414

Square

Length = n
Perimeter 647233604
Area 26181958634176801
Diagonal 228831635.2001

Cube

Length = n
Surface area 157091751805060806
Volume 4.2364608616443E+24
Space diagonal 280260371.62348

Equilateral Triangle

Length = n
Perimeter 485425203
Area 1.1337120649015E+16
Altitude 140130185.81174

Triangular Pyramid

Length = n
Surface area 1.1337120649015E+16
Volume 4.9927170058335E+23
Height 76277211.733368