161749806 (number)

161749806 is an even 9-digits composite number following 161749805 and preceding 161749807. In scientific notation, it is written as 1.61749806 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 53916600 positive integers (up to 161749806) that are relatively prime to 161749806.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred forty-nine thousand eight hundred six

Notation

Scientific notation 1.61749806 × 10^8
Engineering notation 1.61749806 × 10^6

Prime Factorization of 161749806

Prime Factorization 2 × 3 × 26958301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161749806
Product of the distinct prime numbers

The prime factorization of 161749806 is 2 × 3 × 26958301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161749806)

Multiplication

n×y
n×2 323499612
n×3 485249418
n×4 646999224
n×5 808749030

Division

n÷y
n÷2 80874903
n÷3 53916602
n÷3 40437451.5
n÷5 32349961.2

Exponentiation

ny
n2 26162999741037636
n3 4.2318601324909E+24
n4 6.8450255544954E+32
n5 1.1071815555047E+41

Nth Root

y√n
2√n 12718.089715048
3√n 544.85539580233
4√n 112.77450826782
5√n 43.829725798705

Divisors of 161749806

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 -161749805
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 161749806 can be divided by 8 positive divisors. The sum of these divisors (counting 161749806) is 1, the average is 0.125.

Base conversion 161749806

Base System Value
2 Binary 1001101001000001101100101110
3 Ternary 102021100202000120
4 Quaternary 21221001230232
5 Quinary 312401443211
6 Senary 24014505410
8 Octal 1151015456
10 Decimal 161749806
12 Duodecimal 46205266
16 Hexadecimal 9a41b2e
20 Vigesimal 2aaiea6
36 Base36 2oauy6

Cryptographic Hash Functions

md5 d36b731e9414f87f4a0d1546768ea945
sha1 9bb2a1fd4da794d0e9f046512a9490ad1a0de112
sha256 52c2ffd9c9f0deaa3223ff9dbba666ec9eacb7fd3a2d3bc4a3b0547af801e07e
sha512 43298891c0e936617e747249574854f673a64a56633434edaca1fc8c3736bb048464c0c2925cf02c6c551dd7a8b75d54a339d6567f86593f3bc4aa4f7b7c72b8
ripemd-160 f161e33768b82129c16cedd15295f4642b3ab39d

161749806 as geometric shapes

Circle

Radius = n
Diameter 323499612
Circumference 1016304004.4983
Area 8.2193487782316E+16

Sphere

Radius = n
Volume 1.7726374271004E+25
Surface area 3.2877395112926E+17
Circumference 1016304004.4983

Square

Length = n
Perimeter 646999224
Area 26162999741037636
Diagonal 228748769.35642

Cube

Length = n
Surface area 156977998446225816
Volume 4.2318601324909E+24
Space diagonal 280158882.10641

Equilateral Triangle

Length = n
Perimeter 485249418
Area 1.1328911207472E+16
Altitude 140079441.0532

Triangular Pyramid

Length = n
Surface area 1.1328911207472E+16
Volume 4.9872949945288E+23
Height 76249589.785472