161640368 (number)

161640368 is an even 9-digits composite number following 161640367 and preceding 161640369. In scientific notation, it is written as 1.61640368 × 10^8. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 78848640 positive integers (up to 161640368) that are relatively prime to 161640368.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred forty thousand three hundred sixty-eight

Notation

Scientific notation 1.61640368 × 10^8
Engineering notation 1.61640368 × 10^6

Prime Factorization of 161640368

Prime Factorization 2 × 2 × 2 × 2 × 41 × 246403

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20205046
Product of the distinct prime numbers

The prime factorization of 161640368 is 2 × 2 × 2 × 2 × 41 × 246403. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 72, 87, 874, 588, 2896, 6000, 47118, 69098, 93548, 729971, 9641113, 3965578, 13712576, 70565719, 883678795, 836802313, 6439369488, 4961258417

Basic calculations (n = 161640368)

Multiplication

n×y
n×2 323280736
n×3 484921104
n×4 646561472
n×5 808201840

Division

n÷y
n÷2 80820184
n÷3 53880122.666667
n÷3 40410092
n÷5 32328073.6

Exponentiation

ny
n2 26127608567175424
n3 4.2232762637582E+24
n4 6.8265192943954E+32
n5 1.1034410909052E+41

Nth Root

y√n
2√n 12713.786532737
3√n 544.73248717949
4√n 112.75542795244
5√n 43.823793258423

Divisors of 161640368

1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 246403, 492806, 985612, 1971224, 3942448, 10102523, 20205046, 40410092, 80820184, 161640368

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161640367
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161640368 can be divided by 20 positive divisors. The sum of these divisors (counting 161640368) is 1, the average is 0.05.

Base conversion 161640368

Base System Value
2 Binary 1001101000100110111110110000
3 Ternary 102021011011220022
4 Quaternary 21220212332300
5 Quinary 312334442433
6 Senary 24012303012
8 Octal 1150467660
10 Decimal 161640368
12 Duodecimal 46171a68
16 Hexadecimal 9a26fb0
20 Vigesimal 2aa50i8
36 Base36 2o8ii8

Cryptographic Hash Functions

md5 bc1e5f3565fad92d23ea9d4f06259bbe
sha1 5c4023112e5407df6f0fa9bc867022833ff849c2
sha256 b26e1555da1dcab7563f288d3dc9550634a8e8b8172ee56201b0ebcc41eea91f
sha512 c6f21726aeebe148f45652f672d445b46e3dfeede10d32a8c596aa694ae723b297ad8cefa07196edb33c435339c06519af5eea3a8eb5399d467c5cef808f8a12
ripemd-160 5675864feac7404143ac611efe1929a5de8a7554

161640368 as geometric shapes

Circle

Radius = n
Diameter 323280736
Circumference 1015616385.2647
Area 8.2082303130508E+16

Sphere

Radius = n
Volume 1.7690418245737E+25
Surface area 3.2832921252203E+17
Circumference 1015616385.2647

Square

Length = n
Perimeter 646561472
Area 26127608567175424
Diagonal 228594000.65258

Cube

Length = n
Surface area 156765651403052544
Volume 4.2232762637582E+24
Space diagonal 279969329.93013

Equilateral Triangle

Length = n
Perimeter 484921104
Area 1.1313586379655E+16
Altitude 139984664.96507

Triangular Pyramid

Length = n
Surface area 1.1313586379655E+16
Volume 4.9771788082127E+23
Height 76198000.217526