161661650 (number)

161661650 is an even 9-digits composite number following 161661649 and preceding 161661651. In scientific notation, it is written as 1.61661650 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 63844560 positive integers (up to 161661650) that are relatively prime to 161661650.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred sixty-one thousand six hundred fifty

Notation

Scientific notation 1.61661650 × 10^8
Engineering notation 1.61661650 × 10^6

Prime Factorization of 161661650

Prime Factorization 2 × 79 × 25 × 40927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161661650
Product of the distinct prime numbers

The prime factorization of 161661650 is 2 × 79 × 25 × 40927. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 67, 18, 853, 976, 8509, 5209, 78658, 68802, 564620, 322471, 9359681, 701705, 51038325, 23048934, 382751708, 72861899, 2607415403, 1388732326

Basic calculations (n = 161661650)

Multiplication

n×y
n×2 323323300
n×3 484984950
n×4 646646600
n×5 808308250

Division

n÷y
n÷2 80830825
n÷3 53887216.666667
n÷3 40415412.5
n÷5 32332330

Exponentiation

ny
n2 26134489080722500
n3 4.2249446266966E+24
n4 6.830115195104E+32
n5 1.1041676921306E+41

Nth Root

y√n
2√n 12714.623470634
3√n 544.75639310551
4√n 112.75913918895
5√n 43.824947189047

Divisors of 161661650

1, 2, 25, 50, 79, 158, 1975, 3950, 40927, 81854, 1023175, 2046350, 3233233, 6466466, 80830825, 161661650

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161661649
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161661650 can be divided by 16 positive divisors. The sum of these divisors (counting 161661650) is 1, the average is 0.0625.

Base conversion 161661650

Base System Value
2 Binary 1001101000101100001011010010
3 Ternary 102021012021002112
4 Quaternary 21220230023102
5 Quinary 312341133100
6 Senary 24012545322
8 Octal 1150541322
10 Decimal 161661650
12 Duodecimal 46182242
16 Hexadecimal 9a2c2d2
20 Vigesimal 2aa7e2a
36 Base36 2o8yxe

Cryptographic Hash Functions

md5 97944692147f4a86148e786ecc5f6144
sha1 e343245a48e77166e5eb7bd0478443e5b69c7ab7
sha256 661c962788a9377b79881186ff62e4b50439517b01a5a7e28e63e3f8f5fd9ab8
sha512 05ad1b257ee389953a1220dd505d5a97298852af91506dc51dd8a79abf01173cc79f6ef07701e9ecf4957cbf8bfa5ba150fdd2258d28583bfc2f6bf4b8515bcc
ripemd-160 73360f4f2b37eb2639f9e531730adad0ca5802dd

161661650 as geometric shapes

Circle

Radius = n
Diameter 323323300
Circumference 1015750104.0144
Area 8.210391890132E+16

Sphere

Radius = n
Volume 1.7697406668072E+25
Surface area 3.2841567560528E+17
Circumference 1015750104.0144

Square

Length = n
Perimeter 646646600
Area 26134489080722500
Diagonal 228624097.94561

Cube

Length = n
Surface area 156806934484335000
Volume 4.2249446266966E+24
Space diagonal 280006191.43542

Equilateral Triangle

Length = n
Perimeter 484984950
Area 1.1316565729416E+16
Altitude 140003095.71771

Triangular Pyramid

Length = n
Surface area 1.1316565729416E+16
Volume 4.9791449927914E+23
Height 76208032.648538