81799690 (number)

81799690 is an even 8-digits composite number following 81799689 and preceding 81799691. In scientific notation, it is written as 8.1799690 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 27988800 positive integers (up to 81799690) that are relatively prime to 81799690.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ninety-nine thousand six hundred ninety

Notation

Scientific notation 8.1799690 × 10^7
Engineering notation 8.1799690 × 10^6

Prime Factorization of 81799690

Prime Factorization 2 × 35 × 701 × 1667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81799690
Product of the distinct prime numbers

The prime factorization of 81799690 is 2 × 35 × 701 × 1667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 65, 88, 957, 627, 825, 7245, 57986, 67257, 749834, 44549, 4838546, 3466684, 35466145, 13521062, 947236689, 316450324, 8723451484, 4533076008

Basic calculations (n = 81799690)

Multiplication

n×y
n×2 163599380
n×3 245399070
n×4 327198760
n×5 408998450

Division

n÷y
n÷2 40899845
n÷3 27266563.333333
n÷3 20449922.5
n÷5 16359938

Exponentiation

ny
n2 6691189284096100
n3 5.4733720917038E+23
n4 4.4772014035602E+31
n5 3.6623368687879E+39

Nth Root

y√n
2√n 9044.3181058607
3√n 434.09410277971
4√n 95.101619890834
5√n 38.242857177121

Divisors of 81799690

1, 2, 35, 70, 701, 1402, 1667, 3334, 24535, 49070, 58345, 116690, 1168567, 2337134, 40899845, 81799690

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 -81799689
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 81799690 can be divided by 16 positive divisors. The sum of these divisors (counting 81799690) is 1, the average is 0.0625.

Base conversion 81799690

Base System Value
2 Binary 100111000000010101000001010
3 Ternary 12200220212002011
4 Quaternary 10320002220022
5 Quinary 131420042230
6 Senary 12041130134
8 Octal 470025012
10 Decimal 81799690
12 Duodecimal 2348994a
16 Hexadecimal 4e02a0a
20 Vigesimal 15b4j4a
36 Base36 1cp91m

Cryptographic Hash Functions

md5 55b5cf7c7da7350dfef178b1033bb21e
sha1 f53a0b80a9f05fffd4f0e69fc0ed08c45d929dce
sha256 b78c9c0e0390b0375d09cc0fc21ed846486bc49bdb9074c688da97e24164247f
sha512 af58134b6a9598edf178ce41f730b969331dad82d9b8b3c7e0b3e5c52804fc8d10ed7ca685d3365dba008ed86caba4cbfbdada62acac4010e3561f54637abf45
ripemd-160 92b90ada33a0560d6ad006ffcf7fe3c86f6a7007

81799690 as geometric shapes

Circle

Radius = n
Diameter 163599380
Circumference 513962610.33984
Area 2.1020991098695E+16

Sphere

Radius = n
Volume 2.292680740488E+24
Surface area 8.408396439478E+16
Circumference 513962610.33984

Square

Length = n
Perimeter 327198760
Area 6691189284096100
Diagonal 115682230.99591

Cube

Length = n
Surface area 40147135704576600
Volume 5.4733720917038E+23
Space diagonal 141681219.12338

Equilateral Triangle

Length = n
Perimeter 245399070
Area 2.8973699507787E+15
Altitude 70840609.561692

Triangular Pyramid

Length = n
Surface area 2.8973699507787E+15
Volume 6.4504308700016E+22
Height 38560743.665305