816781641 (number)

816781641 is an odd 9-digits composite number following 816781640 and preceding 816781642. In scientific notation, it is written as 8.16781641 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 502217856 positive integers (up to 816781641) that are relatively prime to 816781641.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million seven hundred eighty-one thousand six hundred forty-one

Notation

Scientific notation 8.16781641 × 10^8
Engineering notation 8.16781641 × 10^6

Prime Factorization of 816781641

Prime Factorization 3 × 13 × 1303 × 16073

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 816781641
Product of the distinct prime numbers

The prime factorization of 816781641 is 3 × 13 × 1303 × 16073. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 85, 18, 800, 928, 2248, 3691, 22408, 28160, 175375, 851912, 3466865, 4475288, 86824460, 14891423, 577224749, 428752416, 3035300858, 1148234801

Basic calculations (n = 816781641)

Multiplication

n×y
n×2 1633563282
n×3 2450344923
n×4 3267126564
n×5 4083908205

Division

n÷y
n÷2 408390820.5
n÷3 272260547
n÷3 204195410.25
n÷5 163356328.2

Exponentiation

ny
n2 667132249074652881
n3 5.4490137316322E+26
n4 4.450654377554E+35
n5 3.6352127860224E+44

Nth Root

y√n
2√n 28579.391893461
3√n 934.7640233032
4√n 169.05440512882
5√n 60.592823960175

Divisors of 816781641

1, 3, 13, 39, 1303, 3909, 16073, 16939, 48219, 50817, 208949, 626847, 20943119, 62829357, 272260547, 816781641

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -816781640
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816781641 can be divided by 16 positive divisors. The sum of these divisors (counting 816781641) is 1, the average is 0.0625.

Base conversion 816781641

Base System Value
2 Binary 110000101011110001100101001001
3 Ternary 2002220220210202220
4 Quaternary 300223301211021
5 Quinary 3133044003031
6 Senary 213014244253
8 Octal 6053614511
10 Decimal 816781641
12 Duodecimal 1a9656689
16 Hexadecimal 30af1949
20 Vigesimal cf4he21
36 Base36 diagqx

Cryptographic Hash Functions

md5 910ca0d83597a65eda04bcdba5aac2eb
sha1 42b5c16f96f690f9c2acf1c5b2b214fdef837bf5
sha256 5c09c4fa434d9494b0063ac5bfa57b2827896964cc9cb4dbc809013b81e01dad
sha512 59d446c117bcb13b17bba87abae7fcc54482c113cc557f843b0f57515d1e6fadbcc365bde84f8dff1cde9211d83b58cf46aae9c179f37ced6d12a744d5bdfd5c
ripemd-160 01510fe2bde66506fef11df7fb5e45729ac5ea22

816781641 as geometric shapes

Circle

Radius = n
Diameter 1633563282
Circumference 5131990405.9052
Area 2.0958577726658E+18

Sphere

Radius = n
Volume 2.2824775344807E+27
Surface area 8.3834310906631E+18
Circumference 5131990405.9052

Square

Length = n
Perimeter 3267126564
Area 667132249074652881
Diagonal 1155103674.1996

Cube

Length = n
Surface area 4002793494447917286
Volume 5.4490137316322E+26
Space diagonal 1414707300.9015

Equilateral Triangle

Length = n
Perimeter 2450344923
Area 2.8887673769125E+17
Altitude 707353650.45074

Triangular Pyramid

Length = n
Surface area 2.8887673769125E+17
Volume 6.4217242673595E+25
Height 385034558.06652