161745340 (number)

161745340 is an even 9-digits composite number following 161745339 and preceding 161745341. In scientific notation, it is written as 1.61745340 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 64698128 positive integers (up to 161745340) that are relatively prime to 161745340.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61745340 × 10^8
Engineering notation 1.61745340 × 10^6

Prime Factorization of 161745340

Prime Factorization 2 × 2 × 5 × 8087267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80872670
Product of the distinct prime numbers

The prime factorization of 161745340 is 2 × 2 × 5 × 8087267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 29, 18, 269, 700, 5611, 3475, 74580, 89464, 953776, 692235, 7116155, 3057577, 27671165, 22850643, 113166502, 561548643, 9501410104, 5924255604

Basic calculations (n = 161745340)

Multiplication

n×y
n×2 323490680
n×3 485236020
n×4 646981360
n×5 808726700

Division

n÷y
n÷2 80872670
n÷3 53915113.333333
n÷3 40436335
n÷5 32349068

Exponentiation

ny
n2 26161555011715600
n3 4.2315096102986E+24
n4 6.8442696063102E+32
n5 1.1070287145243E+41

Nth Root

y√n
2√n 12717.914137153
3√n 544.8503811717
4√n 112.7737298184
5√n 43.829483763525

Divisors of 161745340

1, 2, 4, 5, 10, 20, 8087267, 16174534, 32349068, 40436335, 80872670, 161745340

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161745339
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161745340 can be divided by 12 positive divisors. The sum of these divisors (counting 161745340) is 1, the average is 0.083333333333333.

Base conversion 161745340

Base System Value
2 Binary 1001101001000000100110111100
3 Ternary 102021100111220011
4 Quaternary 21221000212330
5 Quinary 312401322330
6 Senary 24014433004
8 Octal 1151004674
10 Decimal 161745340
12 Duodecimal 46202764
16 Hexadecimal 9a409bc
20 Vigesimal 2aai370
36 Base36 2oari4

Cryptographic Hash Functions

md5 319f5545c66eeb8c8ec5bf498be55434
sha1 cc596392f105b29181e33761706511b9fc68654d
sha256 43494d1ddb489556995ca71bcfd1960191ec53e378223edff83738214111d1ed
sha512 4650016c95b0bd63c5ffc5919508bc03b74331f1d8f2c4401ae0eb3d0f9ba900cee9a7869d7f0417822afd66edf5c3798a4a939d31abed1b4f8e5c718248420f
ripemd-160 9bb820e6b364d1032cd5b69416088ecb949d467d

161745340 as geometric shapes

Circle

Radius = n
Diameter 323490680
Circumference 1016275943.7928
Area 8.2188949031291E+16

Sphere

Radius = n
Volume 1.7724906007078E+25
Surface area 3.2875579612516E+17
Circumference 1016275943.7928

Square

Length = n
Perimeter 646981360
Area 26161555011715600
Diagonal 228742453.47865

Cube

Length = n
Surface area 156969330070293600
Volume 4.2315096102986E+24
Space diagonal 280151146.7675

Equilateral Triangle

Length = n
Perimeter 485236020
Area 1.1328285621325E+16
Altitude 140075573.38375

Triangular Pyramid

Length = n
Surface area 1.1328285621325E+16
Volume 4.9868819001637E+23
Height 76247484.492882