1991451 (number)

1991451 is an odd 7-digits composite number following 1991450 and preceding 1991452. In scientific notation, it is written as 1.991451 × 10^6. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 1002240 positive integers (up to 1991451) that are relatively prime to 1991451.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-one thousand four hundred fifty-one

Notation

Scientific notation 1.991451 × 10^6
Engineering notation 1.991451 × 10^6

Prime Factorization of 1991451

Prime Factorization 3 × 7 × 11 × 37 × 233

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1991451
Product of the distinct prime numbers

The prime factorization of 1991451 is 3 × 7 × 11 × 37 × 233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991451)

Multiplication

n×y
n×2 3982902
n×3 5974353
n×4 7965804
n×5 9957255

Division

n÷y
n÷2 995725.5
n÷3 663817
n÷3 497862.75
n÷5 398290.2

Exponentiation

ny
n2 3965877085401
n3 7897849887598906851
n4 1.5728181056509E+25
n5 3.1321901893165E+31

Nth Root

y√n
2√n 1411.1877975663
3√n 125.81233084654
4√n 37.565779608126
5√n 18.190051347101

Divisors of 1991451

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 -1991450
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 1991451 can be divided by 32 positive divisors. The sum of these divisors (counting 1991451) is 1, the average is 0.03125.

Base conversion 1991451

Base System Value
2 Binary 111100110001100011011
3 Ternary 10202011202110
4 Quaternary 13212030123
5 Quinary 1002211301
6 Senary 110403403
8 Octal 7461433
10 Decimal 1991451
12 Duodecimal 800563
16 Hexadecimal 1e631b
20 Vigesimal c8icb
36 Base36 16om3

Cryptographic Hash Functions

md5 45a0b44c367d1cd3d887c3784426c663
sha1 c9bd6e36b971c168a333873e874586c2e7939173
sha256 e43896866b8a5e1789c776f490f554aa0f8eb6b1d419ccd3b96be8043c2456e8
sha512 c106e782b44a03448125d419d43480b7350e7451a464de6c5244194b168e4ad395c24e1dca5867b6c50af58295acd870bc25889d0038ea397f357be2c1499cd1
ripemd-160 755d1a9d42393aaa3cc4afb7a0be0ddbb24c462a

1991451 as geometric shapes

Circle

Radius = n
Diameter 3982902
Circumference 12512655.663168
Area 12459170316536

Sphere

Radius = n
Volume 3.3082436248048E+19
Surface area 49836681266144
Circumference 12512655.663168

Square

Length = n
Perimeter 7965804
Area 3965877085401
Diagonal 2816337.0130015

Cube

Length = n
Surface area 23795262512406
Volume 7897849887598906851
Space diagonal 3449294.3127838

Equilateral Triangle

Length = n
Perimeter 5974353
Area 1717275152121.9
Altitude 1724647.1563919

Triangular Pyramid

Length = n
Surface area 1717275152121.9
Volume 9.3077053538577E+17
Height 938779.00433382