161640249 (number)

161640249 is an odd 9-digits composite number following 161640248 and preceding 161640250. In scientific notation, it is written as 1.61640249 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 107726496 positive integers (up to 161640249) that are relatively prime to 161640249.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred forty thousand two hundred forty-nine

Notation

Scientific notation 1.61640249 × 10^8
Engineering notation 1.61640249 × 10^6

Prime Factorization of 161640249

Prime Factorization 3 × 4297 × 12539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161640249
Product of the distinct prime numbers

The prime factorization of 161640249 is 3 × 4297 × 12539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 86, 79, 980, 864, 3767, 167, 93344, 35172, 539041, 574710, 4256566, 778420, 34420404, 40099748, 311096238, 807993927, 3762254968, 7647709976

Basic calculations (n = 161640249)

Multiplication

n×y
n×2 323280498
n×3 484920747
n×4 646560996
n×5 808201245

Division

n÷y
n÷2 80820124.5
n÷3 53880083
n÷3 40410062.25
n÷5 32328049.8

Exponentiation

ny
n2 26127570096782001
n3 4.2232669362088E+24
n4 6.8264991916226E+32
n5 1.1034370291322E+41

Nth Root

y√n
2√n 12713.781852777
3√n 544.7323535017
4√n 112.75540719973
5√n 43.823786805787

Divisors of 161640249

1, 3, 4297, 12539, 12891, 37617, 53880083, 161640249

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161640248
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161640249 can be divided by 8 positive divisors. The sum of these divisors (counting 161640249) is 1, the average is 0.125.

Base conversion 161640249

Base System Value
2 Binary 1001101000100110111100111001
3 Ternary 102021011011201220
4 Quaternary 21220212330321
5 Quinary 312334441444
6 Senary 24012302253
8 Octal 1150467471
10 Decimal 161640249
12 Duodecimal 46171989
16 Hexadecimal 9a26f39
20 Vigesimal 2aa50c9
36 Base36 2o8iex

Cryptographic Hash Functions

md5 cbb00428043155e37e51430e463d92fe
sha1 0fcdb23d5e0a98e03073a7c45f3bb8985cf9ef7f
sha256 7546eb38bbf96ddce5ddda68667e0a29cacb0a1438bbb0a8cb48ccdda67cbc2a
sha512 ef53fd8942d020a8d041bbe0a669b7211e1ffda06d798ffa26a05069c8dfc3d195157f4d12e01223767c8756d7d230b7d5a3a15195b8ef3027ef10cb17da2421
ripemd-160 8ff765860f0217514ae3c8347ad7b4fe6b18e363

161640249 as geometric shapes

Circle

Radius = n
Diameter 323280498
Circumference 1015615637.5656
Area 8.2082182272203E+16

Sphere

Radius = n
Volume 1.769037917459E+25
Surface area 3.2832872908881E+17
Circumference 1015615637.5656

Square

Length = n
Perimeter 646560996
Area 26127570096782001
Diagonal 228593832.36116

Cube

Length = n
Surface area 156765420580692006
Volume 4.2232669362088E+24
Space diagonal 279969123.81608

Equilateral Triangle

Length = n
Perimeter 484920747
Area 1.1313569721486E+16
Altitude 139984561.90804

Triangular Pyramid

Length = n
Surface area 1.1313569721486E+16
Volume 4.9771678155903E+23
Height 76197944.120388