81304839 (number)

81304839 is an odd 8-digits composite number following 81304838 and preceding 81304840. In scientific notation, it is written as 8.1304839 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 40392000 positive integers (up to 81304839) that are relatively prime to 81304839.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred four thousand eight hundred thirty-nine

Notation

Scientific notation 8.1304839 × 10^7
Engineering notation 8.1304839 × 10^6

Prime Factorization of 81304839

Prime Factorization 11 × 63 × 23 × 5101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81304839
Product of the distinct prime numbers

The prime factorization of 81304839 is 11 × 63 × 23 × 5101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 37, 46, 831, 533, 32, 2522, 86476, 68536, 345516, 683685, 4566012, 6392814, 80576822, 87842105, 84981306, 316013532, 4763218356, 5347341002

Basic calculations (n = 81304839)

Multiplication

n×y
n×2 162609678
n×3 243914517
n×4 325219356
n×5 406524195

Division

n÷y
n÷2 40652419.5
n÷3 27101613
n÷3 20326209.75
n÷5 16260967.8

Exponentiation

ny
n2 6610476844815921
n3 5.3746375558099E+23
n4 4.3698404115847E+31
n5 3.5528917111959E+39

Nth Root

y√n
2√n 9016.9195959596
3√n 433.21697421486
4√n 94.957462034111
5√n 38.196474417145

Divisors of 81304839

1, 11, 23, 63, 253, 693, 1449, 5101, 15939, 56111, 117323, 321363, 1290553, 3534993, 7391349, 81304839

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 -81304838
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 81304839 can be divided by 16 positive divisors. The sum of these divisors (counting 81304839) is 1, the average is 0.0625.

Base conversion 81304839

Base System Value
2 Binary 100110110001001110100000111
3 Ternary 12122222201021100
4 Quaternary 10312021310013
5 Quinary 131303223324
6 Senary 12022351143
8 Octal 466116407
10 Decimal 81304839
12 Duodecimal 2328b4b3
16 Hexadecimal 4d89d07
20 Vigesimal 158321j
36 Base36 1cen7r

Cryptographic Hash Functions

md5 e0601f6a1c6ac763ab8b5d6b99fec6cd
sha1 c9ee76d44aa1ad4b127fc87b98191d61af17aa8c
sha256 c42619938dde444d1a50aed82da09c65be6d56063b71ea21dc86993991f835e0
sha512 06e73d1456bbcc7e5ed91044605b325401829dd0ccc9eaabe37d27c2ab75dabd632e42ac60a4ca5592c87e7062bca4fb97e91a0449e84ca3b5fcf80f87a48a92
ripemd-160 e44924dd9cfced3b3e67580acd845bd714b26285

81304839 as geometric shapes

Circle

Radius = n
Diameter 162609678
Circumference 510853369.8074
Area 2.0767425492399E+16

Sphere

Radius = n
Volume 2.2513229148053E+24
Surface area 8.3069701969597E+16
Circumference 510853369.8074

Square

Length = n
Perimeter 325219356
Area 6610476844815921
Diagonal 114982406.00036

Cube

Length = n
Surface area 39662861068895526
Volume 5.3746375558099E+23
Space diagonal 140824112.04921

Equilateral Triangle

Length = n
Perimeter 243914517
Area 2.8624204393697E+15
Altitude 70412056.024604

Triangular Pyramid

Length = n
Surface area 2.8624204393697E+15
Volume 6.3340711035551E+22
Height 38327468.666787