161997306 (number)

161997306 is an even 9-digits composite number following 161997305 and preceding 161997307. In scientific notation, it is written as 1.61997306 × 10^8. The sum of its digits is 42. It has a total of 6 prime factors and 48 positive divisors. There are 49373856 positive integers (up to 161997306) that are relatively prime to 161997306.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine hundred ninety-seven thousand three hundred six

Notation

Scientific notation 1.61997306 × 10^8
Engineering notation 1.61997306 × 10^6

Prime Factorization of 161997306

Prime Factorization 2 × 3 × 19 × 29 × 19 × 2579

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8526174
Product of the distinct prime numbers

The prime factorization of 161997306 is 2 × 3 × 19 × 29 × 19 × 2579. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161997306)

Multiplication

n×y
n×2 323994612
n×3 485991918
n×4 647989224
n×5 809986530

Division

n÷y
n÷2 80998653
n÷3 53999102
n÷3 40499326.5
n÷5 32399461.2

Exponentiation

ny
n2 26243127151257636
n3 4.2513158995192E+24
n4 6.8870172267708E+32
n5 1.1156782371125E+41

Nth Root

y√n
2√n 12727.816230603
3√n 545.13315602865
4√n 112.81762375889
5√n 43.843130728198

Divisors of 161997306

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161997305
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161997306 can be divided by 48 positive divisors. The sum of these divisors (counting 161997306) is 1, the average is 0.020833333333333.

Base conversion 161997306

Base System Value
2 Binary 1001101001111110000111111010
3 Ternary 102021211022112020
4 Quaternary 21221332013322
5 Quinary 312432403211
6 Senary 24024055310
8 Octal 1151760772
10 Decimal 161997306
12 Duodecimal 46304536
16 Hexadecimal 9a7e1fa
20 Vigesimal 2ac9d56
36 Base36 2og5x6

Cryptographic Hash Functions

md5 e76eacde82480286eff90aaf541d6f4c
sha1 5d74bc587e2b28ed9ece7efa560a5f35b25ac98a
sha256 8307acd5bf80947ec3acdb12ba1cd84736d12d3aacf74512d4183aef54924d07
sha512 aede028325cefde35351b4c25c060010067d357efb2c77682dcbae1c545f44a41bcd4698549ea30a39b422fe47d3f9ac81482f7fc44133d64f9d7c25acb98764
ripemd-160 ad4f299c9e9f2fe3083d6be3aac480e7bb04fb94

161997306 as geometric shapes

Circle

Radius = n
Diameter 323994612
Circumference 1017859092.8619
Area 8.2445215465614E+16

Sphere

Radius = n
Volume 1.7807870397359E+25
Surface area 3.2978086186246E+17
Circumference 1017859092.8619

Square

Length = n
Perimeter 647989224
Area 26243127151257636
Diagonal 229098787.2131

Cube

Length = n
Surface area 157458762907545816
Volume 4.2513158995192E+24
Space diagonal 280587564.68128

Equilateral Triangle

Length = n
Perimeter 485991918
Area 1.1363607393867E+16
Altitude 140293782.34064

Triangular Pyramid

Length = n
Surface area 1.1363607393867E+16
Volume 5.0102238358603E+23
Height 76366262.404368