19961491 (number)

19961491 is an odd 8-digits composite number following 19961490 and preceding 19961492. In scientific notation, it is written as 1.9961491 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 18033840 positive integers (up to 19961491) that are relatively prime to 19961491.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred sixty-one thousand four hundred ninety-one

Notation

Scientific notation 1.9961491 × 10^7
Engineering notation 1.9961491 × 10^6

Prime Factorization of 19961491

Prime Factorization 121 × 199 × 829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19961491
Product of the distinct prime numbers

The prime factorization of 19961491 is 121 × 199 × 829. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19961491)

Multiplication

n×y
n×2 39922982
n×3 59884473
n×4 79845964
n×5 99807455

Division

n÷y
n÷2 9980745.5
n÷3 6653830.3333333
n÷3 4990372.75
n÷5 3992298.2

Exponentiation

ny
n2 398461122943081
n3 7.9538781194782E+21
n4 1.5877126649706E+29
n5 3.1693112072397E+36

Nth Root

y√n
2√n 4467.8284434387
3√n 271.26743387843
4√n 66.841816577938
5√n 28.842878164342

Divisors of 19961491

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 -19961490
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 19961491 can be divided by 8 positive divisors. The sum of these divisors (counting 19961491) is 1, the average is 0.125.

Base conversion 19961491

Base System Value
2 Binary 1001100001001011010010011
3 Ternary 1101120011000111
4 Quaternary 1030021122103
5 Quinary 20102231431
6 Senary 1551502151
8 Octal 114113223
10 Decimal 19961491
12 Duodecimal 6827957
16 Hexadecimal 1309693
20 Vigesimal 64f3eb
36 Base36 bvudv

Cryptographic Hash Functions

md5 4c2cd4a61c076a23f9bc5bcefac44492
sha1 4e957bc7a1f994fc6fdb13dc665da8abcfaf5795
sha256 fb5f16c672ee6f694c8c55d3f0242b4089c9f5e89ebafefc9920e4548a5d0393
sha512 d98feecf837d30223a8c221e6d2f53a2db7279e2ba40c56ef4d5c0fbfcaadd8693f10b3804e8dda90dbca094439d5819f6b6eac14bb007bd496adc543d8e600c
ripemd-160 45c29ac14caa2cdc2583df7aa124930edb3a7916

19961491 as geometric shapes

Circle

Radius = n
Diameter 39922982
Circumference 125421746.9606
Area 1.2518025365791E+15

Sphere

Radius = n
Volume 3.3317126756935E+22
Surface area 5.0072101463165E+15
Circumference 125421746.9606

Square

Length = n
Perimeter 79845964
Area 398461122943081
Diagonal 28229811.297388

Cube

Length = n
Surface area 2390766737658486
Volume 7.9538781194782E+21
Space diagonal 34574316.606829

Equilateral Triangle

Length = n
Perimeter 59884473
Area 1.7253872744459E+14
Altitude 17287158.303414

Triangular Pyramid

Length = n
Surface area 1.7253872744459E+14
Volume 9.3737352583572E+20
Height 9409937.0991295