81844984 (number)

81844984 is an even 8-digits composite number following 81844983 and preceding 81844985. In scientific notation, it is written as 8.1844984 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors. There are 37774560 positive integers (up to 81844984) that are relatively prime to 81844984.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred forty-four thousand nine hundred eighty-four

Notation

Scientific notation 8.1844984 × 10^7
Engineering notation 8.1844984 × 10^6

Prime Factorization of 81844984

Prime Factorization 2 × 2 × 2 × 13 × 786971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20461246
Product of the distinct prime numbers

The prime factorization of 81844984 is 2 × 2 × 2 × 13 × 786971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 12, 42, 885, 695, 7262, 2060, 20154, 55722, 596030, 535237, 2041570, 6793325, 44764042, 7596254, 128866533, 25486252, 9657382453, 8086378897

Basic calculations (n = 81844984)

Multiplication

n×y
n×2 163689968
n×3 245534952
n×4 327379936
n×5 409224920

Division

n÷y
n÷2 40922492
n÷3 27281661.333333
n÷3 20461246
n÷5 16368996.8

Exponentiation

ny
n2 6698601405960256
n3 5.4824692489319E+23
n4 4.4871260795933E+31
n5 3.6724876219029E+39

Nth Root

y√n
2√n 9046.8217623649
3√n 434.17420997148
4√n 95.114782039202
5√n 38.247091394747

Divisors of 81844984

1, 2, 4, 8, 13, 26, 52, 104, 786971, 1573942, 3147884, 6295768, 10230623, 20461246, 40922492, 81844984

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 -81844983
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 81844984 can be divided by 16 positive divisors. The sum of these divisors (counting 81844984) is 1, the average is 0.0625.

Base conversion 81844984

Base System Value
2 Binary 100111000001101101011111000
3 Ternary 12201000011012201
4 Quaternary 10320031223320
5 Quinary 131423014414
6 Senary 12042115544
8 Octal 470155370
10 Decimal 81844984
12 Duodecimal 234abbb4
16 Hexadecimal 4e0daf8
20 Vigesimal 15bac94
36 Base36 1cq7zs

Cryptographic Hash Functions

md5 75e566be43edb96714b4027de3518a5f
sha1 87b561148ef69d525f29fdd3439fe1524d366570
sha256 3266006dd121e6f25eab160a85a1c42b52b5037e90d2d050f64627032afbbf78
sha512 3005caa5009057de6d6c79d036021a4b372130ba6782716b5e5b2bac450f415325518e6b373fe2356f9d50d367ca79829b1416742ca0708fc139b1411e47b443
ripemd-160 9a6745986121e89c16e1a4a35a991e50df1bcbda

81844984 as geometric shapes

Circle

Radius = n
Diameter 163689968
Circumference 514247200.93515
Area 2.1044276966291E+16

Sphere

Radius = n
Volume 2.2964913487969E+24
Surface area 8.4177107865164E+16
Circumference 514247200.93515

Square

Length = n
Perimeter 327379936
Area 6698601405960256
Diagonal 115746286.38501

Cube

Length = n
Surface area 40191608435761536
Volume 5.4824692489319E+23
Space diagonal 141759670.63266

Equilateral Triangle

Length = n
Perimeter 245534952
Area 2.9005794936939E+15
Altitude 70879835.316331

Triangular Pyramid

Length = n
Surface area 2.9005794936939E+15
Volume 6.4611519726108E+22
Height 38582095.46167