812781664 (number)

812781664 is an even 9-digits composite number following 812781663 and preceding 812781665. In scientific notation, it is written as 8.12781664 × 10^8. The sum of its digits is 43. It has a total of 8 prime factors and 48 positive divisors. There are 394412544 positive integers (up to 812781664) that are relatively prime to 812781664.

Interesting facts

Basic properties

Name

Name eight hundred twelve million seven hundred eighty-one thousand six hundred sixty-four

Notation

Scientific notation 8.12781664 × 10^8
Engineering notation 8.12781664 × 10^6

Prime Factorization of 812781664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 37 × 1109 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 50798854
Product of the distinct prime numbers

The prime factorization of 812781664 is 2 × 2 × 2 × 2 × 2 × 37 × 1109 × 619. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 812781664)

Multiplication

n×y
n×2 1625563328
n×3 2438344992
n×4 3251126656
n×5 4063908320

Division

n÷y
n÷2 406390832
n÷3 270927221.33333
n÷3 203195416
n÷5 162556332.8

Exponentiation

ny
n2 660614033334608896
n3 5.3693497327545E+26
n4 4.3641090103862E+35
n5 3.5470677833391E+44

Nth Root

y√n
2√n 28509.325912761
3√n 933.23560382604
4√n 168.84704887193
5√n 60.533359822526

Divisors of 812781664

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -812781663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 812781664 can be divided by 48 positive divisors. The sum of these divisors (counting 812781664) is 1, the average is 0.020833333333333.

Base conversion 812781664

Base System Value
2 Binary 110000011100100001000001100000
3 Ternary 2002122101120211121
4 Quaternary 300130201001200
5 Quinary 3131033003124
6 Senary 212352422024
8 Octal 6034410140
10 Decimal 812781664
12 Duodecimal 1a8247914
16 Hexadecimal 30721060
20 Vigesimal cdjhe34
36 Base36 dfwqcg

Cryptographic Hash Functions

md5 5f13978b617c9c563cf7a77fbde2a0df
sha1 3499267c5a5e25ab41850d542c456b25edb9155f
sha256 76f2475006f5a523167a6ddb62aa08f44e515a0e2d2c0fbd00994a5dc4de6cd2
sha512 b2d4fb7357fee1f58b989fd65aca6e168b2565be0f7553b44856dbadeadd64d61dfd60975625eafec97ea05c9538c621805404028c98715922110b7ba865c12c
ripemd-160 4be65089bf2b0bfb6b132d64e78dabd66e0acef1

812781664 as geometric shapes

Circle

Radius = n
Diameter 1625563328
Circumference 5106857809.1898
Area 2.0753801939823E+18

Sphere

Radius = n
Volume 2.2491079566635E+27
Surface area 8.3015207759293E+18
Circumference 5106857809.1898

Square

Length = n
Perimeter 3251126656
Area 660614033334608896
Diagonal 1149446852.477

Cube

Length = n
Surface area 3963684200007653376
Volume 5.3693497327545E+26
Space diagonal 1407779137.5084

Equilateral Triangle

Length = n
Perimeter 2438344992
Area 2.8605426748214E+17
Altitude 703889568.75419

Triangular Pyramid

Length = n
Surface area 2.8605426748214E+17
Volume 6.3278393443215E+25
Height 383148950.82566