1991312 (number)

1991312 is an even 7-digits composite number following 1991311 and preceding 1991313. In scientific notation, it is written as 1.991312 × 10^6. The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors. There are 936960 positive integers (up to 1991312) that are relatively prime to 1991312.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-one thousand three hundred twelve

Notation

Scientific notation 1.991312 × 10^6
Engineering notation 1.991312 × 10^6

Prime Factorization of 1991312

Prime Factorization 2 × 2 × 2 × 2 × 17 × 7321

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 248914
Product of the distinct prime numbers

The prime factorization of 1991312 is 2 × 2 × 2 × 2 × 17 × 7321. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991312)

Multiplication

n×y
n×2 3982624
n×3 5973936
n×4 7965248
n×5 9956560

Division

n÷y
n÷2 995656
n÷3 663770.66666667
n÷3 497828
n÷5 398262.4

Exponentiation

ny
n2 3965323481344
n3 7896196232282083328
n4 1.5723790311698E+25
n5 3.1310972333168E+31

Nth Root

y√n
2√n 1411.1385474148
3√n 125.80940361393
4√n 37.565124083581
5√n 18.189797412886

Divisors of 1991312

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991312 can be divided by 20 positive divisors. The sum of these divisors (counting 1991312) is 1, the average is 0.05.

Base conversion 1991312

Base System Value
2 Binary 111100110001010010000
3 Ternary 10202011120022
4 Quaternary 13212022100
5 Quinary 1002210222
6 Senary 110403012
8 Octal 7461220
10 Decimal 1991312
12 Duodecimal 800468
16 Hexadecimal 1e6290
20 Vigesimal c8i5c
36 Base36 16oi8

Cryptographic Hash Functions

md5 90c8a67e02cea433c185dfdebef23358
sha1 85f6ac0a719dc20c52c093f54962ca5035097dea
sha256 a9ddf813d9d58830dc131a0040fa7f97a89d2f279d5f70150b56e6bdbd1dcf7e
sha512 8a2b1cb82fc341398ea6c5f67e658bb3e46cea0152cdd0b7c2e110cbaee6849e95f7dcb8cfd568f0ccb7273ccbe659792002e54f6767a6ffd764e9fa569c456c
ripemd-160 ae3db95e7b2e4cd812e034981318ddc962d8ead7

1991312 as geometric shapes

Circle

Radius = n
Diameter 3982624
Circumference 12511782.30041
Area 12457431118097

Sphere

Radius = n
Volume 3.3075509432854E+19
Surface area 49829724472390
Circumference 12511782.30041

Square

Length = n
Perimeter 7965248
Area 3965323481344
Diagonal 2816140.4373163

Cube

Length = n
Surface area 23791940888064
Volume 7896196232282083328
Space diagonal 3449053.5577216

Equilateral Triangle

Length = n
Perimeter 5973936
Area 1717035434533.4
Altitude 1724526.7788608

Triangular Pyramid

Length = n
Surface area 1717035434533.4
Volume 9.3057565023772E+17
Height 938713.47910543