161812982 (number)

161812982 is an even 9-digits composite number following 161812981 and preceding 161812983. In scientific notation, it is written as 1.61812982 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 77173152 positive integers (up to 161812982) that are relatively prime to 161812982.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred twelve thousand nine hundred eighty-two

Notation

Scientific notation 1.61812982 × 10^8
Engineering notation 1.61812982 × 10^6

Prime Factorization of 161812982

Prime Factorization 2 × 83 × 29 × 33613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161812982
Product of the distinct prime numbers

The prime factorization of 161812982 is 2 × 83 × 29 × 33613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 84, 18, 419, 519, 8737, 1657, 50678, 72854, 982735, 231613, 7224080, 6923519, 3896253, 22711244, 202618843, 273626926, 2667236934, 3489697705

Basic calculations (n = 161812982)

Multiplication

n×y
n×2 323625964
n×3 485438946
n×4 647251928
n×5 809064910

Division

n÷y
n÷2 80906491
n÷3 53937660.666667
n÷3 40453245.5
n÷5 32362596.4

Exponentiation

ny
n2 26183441143732324
n3 4.2368206904888E+24
n4 6.8557259012729E+32
n5 1.1093454518596E+41

Nth Root

y√n
2√n 12720.57317891
3√n 544.92632284049
4√n 112.78551848048
5√n 43.833149053823

Divisors of 161812982

1, 2, 29, 58, 83, 166, 2407, 4814, 33613, 67226, 974777, 1949554, 2789879, 5579758, 80906491, 161812982

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 -161812981
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 161812982 can be divided by 16 positive divisors. The sum of these divisors (counting 161812982) is 1, the average is 0.0625.

Base conversion 161812982

Base System Value
2 Binary 1001101001010001000111110110
3 Ternary 102021110221200102
4 Quaternary 21221101013312
5 Quinary 312411003412
6 Senary 24020114102
8 Octal 1151210766
10 Decimal 161812982
12 Duodecimal 46235932
16 Hexadecimal 9a511f6
20 Vigesimal 2ab6c92
36 Base36 2oc7p2

Cryptographic Hash Functions

md5 19e382787e1ee41223472aef70188f62
sha1 9debf7c7528789702634e310c7fb2cd1b03e0d00
sha256 b715c119de2b6c371688a352d57c8f76831071116475f011e654b9b9b6f5bc5a
sha512 b3d086b0e90c56fa906069afbbf79540a0a6ab682628b5d303cfc1cd2bd342aac551fc0eb937051611511209f147879172cbe59eff6de2fdc17885f9c138e072
ripemd-160 1ed45f71adf02a3fd2d3b092eee6b2b1fe3cdd98

161812982 as geometric shapes

Circle

Radius = n
Diameter 323625964
Circumference 1016700951.0133
Area 8.225770634285E+16

Sphere

Radius = n
Volume 1.7747153007756E+25
Surface area 3.290308253714E+17
Circumference 1016700951.0133

Square

Length = n
Perimeter 647251928
Area 26183441143732324
Diagonal 228838113.71243

Cube

Length = n
Surface area 157100646862393944
Volume 4.2368206904888E+24
Space diagonal 280268306.14823

Equilateral Triangle

Length = n
Perimeter 485438946
Area 1.1337762594483E+16
Altitude 140134153.07411

Triangular Pyramid

Length = n
Surface area 1.1337762594483E+16
Volume 4.9931410681935E+23
Height 76279371.237478