161745960 (number)

161745960 is an even 9-digits composite number following 161745959 and preceding 161745961. In scientific notation, it is written as 1.61745960 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 42817536 positive integers (up to 161745960) that are relatively prime to 161745960.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61745960 × 10^8
Engineering notation 1.61745960 × 10^6

Prime Factorization of 161745960

Prime Factorization 2 × 2 × 2 × 3 × 5 × 139 × 9697

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 40436490
Product of the distinct prime numbers

The prime factorization of 161745960 is 2 × 2 × 2 × 3 × 5 × 139 × 9697. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 10, 43, 45, 735, 234, 7965, 6232, 90487, 21177, 305714, 524329, 9973571, 9650678, 74551525, 92325936, 83691170, 63569844, 9123077121, 1327664877

Basic calculations (n = 161745960)

Multiplication

n×y
n×2 323491920
n×3 485237880
n×4 646983840
n×5 808729800

Division

n÷y
n÷2 80872980
n÷3 53915320
n÷3 40436490
n÷5 32349192

Exponentiation

ny
n2 26161755576321600
n3 4.2315582709775E+24
n4 6.8443745483519E+32
n5 1.1070499319228E+41

Nth Root

y√n
2√n 12717.938512196
3√n 544.8510773418
4√n 112.77383788892
5√n 43.829517364788

Divisors of 161745960

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 9697, 16680, 19394, 29091, 38788, 48485, 58182, 77576, 96970, 116364, 145455, 193940, 232728, 290910, 387880, 581820, 1163640, 1347883, 2695766, 4043649, 5391532, 6739415, 8087298, 10783064, 13478830, 16174596, 20218245, 26957660, 32349192, 40436490, 53915320, 80872980, 161745960

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161745959
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161745960 can be divided by 64 positive divisors. The sum of these divisors (counting 161745960) is 1, the average is 0.015625.

Base conversion 161745960

Base System Value
2 Binary 1001101001000000110000101000
3 Ternary 102021100112202010
4 Quaternary 21221000300220
5 Quinary 312401332320
6 Senary 24014435520
8 Octal 1151006050
10 Decimal 161745960
12 Duodecimal 46202ba0
16 Hexadecimal 9a40c28
20 Vigesimal 2aai4i0
36 Base36 2oarzc

Cryptographic Hash Functions

md5 bcc67d95e9362163c3ada41cccc2bd60
sha1 56de6283f91f8104a05a85bd4806f136640a94d1
sha256 5e1a6155e9a813d693381e2c6547f2118eafc296bd7597472c7ad687459e66de
sha512 b4b76e728421e94812add666f0c2356628da6d18bd307b790b82e3def7e5c46a6754c474df1223a7d5a232541b6e0c31c2cb6f2d6d86a896c5f9d6992d641c3b
ripemd-160 dd2a609cc148ab2e78b2fa8adb666fa9cfb31c7a

161745960 as geometric shapes

Circle

Radius = n
Diameter 323491920
Circumference 1016279839.3677
Area 8.2189579123584E+16

Sphere

Radius = n
Volume 1.7725109836453E+25
Surface area 3.2875831649433E+17
Circumference 1016279839.3677

Square

Length = n
Perimeter 646983840
Area 26161755576321600
Diagonal 228743330.29106

Cube

Length = n
Surface area 156970533457929600
Volume 4.2315582709775E+24
Space diagonal 280152220.639

Equilateral Triangle

Length = n
Perimeter 485237880
Area 1.1328372468347E+16
Altitude 140076110.3195

Triangular Pyramid

Length = n
Surface area 1.1328372468347E+16
Volume 4.9869392473237E+23
Height 76247776.763685