812821681 (number)

812821681 is an odd 9-digits composite number following 812821680 and preceding 812821682. In scientific notation, it is written as 8.12821681 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 696704292 positive integers (up to 812821681) that are relatively prime to 812821681.

Interesting facts

Basic properties

Name

Name eight hundred twelve million eight hundred twenty-one thousand six hundred eighty-one

Notation

Scientific notation 8.12821681 × 10^8
Engineering notation 8.12821681 × 10^6

Prime Factorization of 812821681

Prime Factorization 7 × 116117383

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 812821681
Product of the distinct prime numbers

The prime factorization of 812821681 is 7 × 116117383. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 78, 96, 524, 113, 2545, 2805, 96766, 69619, 600700, 738866, 2293673, 5020172, 68492152, 2752548, 327749221, 808258696, 1878720639, 6657489366

Basic calculations (n = 812821681)

Multiplication

n×y
n×2 1625643362
n×3 2438465043
n×4 3251286724
n×5 4064108405

Division

n÷y
n÷2 406410840.5
n÷3 270940560.33333
n÷3 203205420.25
n÷5 162564336.2

Exponentiation

ny
n2 660679085103665761
n3 5.370142845555E+26
n4 4.3649685349342E+35
n5 3.5479410620773E+44

Nth Root

y√n
2√n 28510.0277271
3√n 933.25091940952
4√n 168.84912711382
5√n 60.533955878235

Divisors of 812821681

1, 7, 116117383, 812821681

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -812821680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 812821681 can be divided by 4 positive divisors. The sum of these divisors (counting 812821681) is 1, the average is 0.25.

Base conversion 812821681

Base System Value
2 Binary 110000011100101010110010110001
3 Ternary 2002122110121201201
4 Quaternary 300130222302301
5 Quinary 3131040243211
6 Senary 212353331201
8 Octal 6034526261
10 Decimal 812821681
12 Duodecimal 1a8266b01
16 Hexadecimal 3072acb1
20 Vigesimal ce02e41
36 Base36 dfxl81

Cryptographic Hash Functions

md5 eca159f5a422b1c3a368aac4704297b5
sha1 01503011dadd9344a0a8297e5be42a6f137dbd31
sha256 70c2487430377d8cf2b8e48a05b8cb409c01774b65419540fb3a23c4ab0fbd80
sha512 3a78e025eb2751bb557e6384e9267b80a00407513144061fed411c8c9ee8a2f38ff6b881bf3f9ba37e679f998cf125f6c228b122862a873791e6c57a5d912c63
ripemd-160 d9d40bd88712c4c3aa65816a651d6bfbdbea6b45

812821681 as geometric shapes

Circle

Radius = n
Diameter 1625643362
Circumference 5107109243.4162
Area 2.0755845601421E+18

Sphere

Radius = n
Volume 2.2494401749765E+27
Surface area 8.3023382405684E+18
Circumference 5107109243.4162

Square

Length = n
Perimeter 3251286724
Area 660679085103665761
Diagonal 1149503445.0611

Cube

Length = n
Surface area 3964074510621994566
Volume 5.370142845555E+26
Space diagonal 1407848448.9855

Equilateral Triangle

Length = n
Perimeter 2438465043
Area 2.8608243572442E+17
Altitude 703924224.49277

Triangular Pyramid

Length = n
Surface area 2.8608243572442E+17
Volume 6.3287740367206E+25
Height 383167815.02037