19981272 (number)

19981272 is an even 8-digits composite number following 19981271 and preceding 19981273. In scientific notation, it is written as 1.9981272 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 6641184 positive integers (up to 19981272) that are relatively prime to 19981272.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand two hundred seventy-two

Notation

Scientific notation 1.9981272 × 10^7
Engineering notation 1.9981272 × 10^6

Prime Factorization of 19981272

Prime Factorization 2 × 2 × 2 × 3 × 419 × 1987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4995318
Product of the distinct prime numbers

The prime factorization of 19981272 is 2 × 2 × 2 × 3 × 419 × 1987. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981272)

Multiplication

n×y
n×2 39962544
n×3 59943816
n×4 79925088
n×5 99906360

Division

n÷y
n÷2 9990636
n÷3 6660424
n÷3 4995318
n÷5 3996254.4

Exponentiation

ny
n2 399251230737984
n3 7.9775474377104E+21
n4 1.5940154524579E+29
n5 3.1850456327765E+36

Nth Root

y√n
2√n 4470.0416105446
3√n 271.35700917804
4√n 66.858369786771
5√n 28.8485923162

Divisors of 19981272

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19981271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981272 can be divided by 32 positive divisors. The sum of these divisors (counting 19981272) is 1, the average is 0.03125.

Base conversion 19981272

Base System Value
2 Binary 1001100001110001111011000
3 Ternary 1101121011011010
4 Quaternary 1030032033120
5 Quinary 20103400042
6 Senary 1552133520
8 Octal 114161730
10 Decimal 19981272
12 Duodecimal 68372a0
16 Hexadecimal 130e3d8
20 Vigesimal 64hd3c
36 Base36 bw9nc

Cryptographic Hash Functions

md5 961dbb6485cb587678fc196a4e6f338c
sha1 3335250deea15b3519a28d686f720aecd2246146
sha256 d42db8de88fe7e7ad857f3a6e7af82173363ba456ba470bacaaf7a46ac618a61
sha512 dec16f9df1de0a7da1786610a5704ca28d5b8592e40aa0c6456fe7989a56f05466de62eb1a7f204287c752d602b7cba3a03c420e2cd532222c7f6991e8544179
ripemd-160 760806ee413d0dbb3bb8b4e362055f16c0caab1c

19981272 as geometric shapes

Circle

Radius = n
Diameter 39962544
Circumference 125546034.64916
Area 1.2542847334231E+15

Sphere

Radius = n
Volume 3.34162725653E+22
Surface area 5.0171389336925E+15
Circumference 125546034.64916

Square

Length = n
Perimeter 79925088
Area 399251230737984
Diagonal 28257785.855866

Cube

Length = n
Surface area 2395507384427904
Volume 7.9775474377104E+21
Space diagonal 34608578.303853

Equilateral Triangle

Length = n
Perimeter 59943816
Area 1.7288085415565E+14
Altitude 17304289.151927

Triangular Pyramid

Length = n
Surface area 1.7288085415565E+14
Volume 9.401629817404E+20
Height 9419261.9519553