81795384 (number)

81795384 is an even 8-digits composite number following 81795383 and preceding 81795385. In scientific notation, it is written as 8.1795384 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 24575040 positive integers (up to 81795384) that are relatively prime to 81795384.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred ninety-five thousand three hundred eighty-four

Notation

Scientific notation 8.1795384 × 10^7
Engineering notation 8.1795384 × 10^6

Prime Factorization of 81795384

Prime Factorization 2 × 2 × 2 × 9 × 11 × 743 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20448846
Product of the distinct prime numbers

The prime factorization of 81795384 is 2 × 2 × 2 × 9 × 11 × 743 × 139. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 8, 49, 7, 127, 124, 4796, 6282, 91787, 17638, 196501, 673889, 1713925, 1112219, 97988736, 16993118, 602625855, 719669493, 1953623919, 2483175318

Basic calculations (n = 81795384)

Multiplication

n×y
n×2 163590768
n×3 245386152
n×4 327181536
n×5 408976920

Division

n÷y
n÷2 40897692
n÷3 27265128
n÷3 20448846
n÷5 16359076.8

Exponentiation

ny
n2 6690484843707456
n3 5.4725077693723E+23
n4 4.4762587443879E+31
n5 3.6613730288057E+39

Nth Root

y√n
2√n 9044.0800527196
3√n 434.08648562775
4√n 95.100368310115
5√n 38.242454541829

Divisors of 81795384

1, 2, 4, 8, 9, 11, 18, 22, 36, 44, 72, 88, 99, 139, 198, 278, 396, 556, 743, 792, 1112, 1251, 1486, 1529, 2502, 2972, 3058, 5004, 5944, 6116, 6687, 8173, 10008, 12232, 13374, 13761, 16346, 26748, 27522, 32692, 53496, 55044, 65384, 73557, 103277, 110088, 147114, 206554, 294228, 413108, 588456, 826216, 929493, 1136047, 1858986, 2272094, 3717972, 4544188, 7435944, 9088376, 10224423, 20448846, 40897692, 81795384

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81795383
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81795384 can be divided by 64 positive divisors. The sum of these divisors (counting 81795384) is 1, the average is 0.015625.

Base conversion 81795384

Base System Value
2 Binary 100111000000001100100111000
3 Ternary 12200220122011200
4 Quaternary 10320001210320
5 Quinary 131414423014
6 Senary 12041054200
8 Octal 470014470
10 Decimal 81795384
12 Duodecimal 23487360
16 Hexadecimal 4e01938
20 Vigesimal 15b4894
36 Base36 1cp5q0

Cryptographic Hash Functions

md5 7a98d107f9d468fe8253595b6f1f3e10
sha1 964aec2b0496732d506a0d7538db6555be90b2eb
sha256 a24344f49f9c347e3bbe948df19a4fb03415b96f0bb12bef445b128a79b99fcc
sha512 d7eccd5d1187c1b60c0e710f2d35e69c5d7bc67caad2fcded47fe0834b52aad5392f2c69ad836c045abdbcbbec7a52f8fd2713a34717ea2ec94229638d1377ef
ripemd-160 5ea832434a0092e1bb45ee635e19d02d7a0bf157

81795384 as geometric shapes

Circle

Radius = n
Diameter 163590768
Circumference 513935554.94391
Area 2.1018778033945E+16

Sphere

Radius = n
Volume 2.2923186939964E+24
Surface area 8.4075112135781E+16
Circumference 513935554.94391

Square

Length = n
Perimeter 327181536
Area 6690484843707456
Diagonal 115676141.39232

Cube

Length = n
Surface area 40142909062244736
Volume 5.4725077693723E+23
Space diagonal 141673760.91261

Equilateral Triangle

Length = n
Perimeter 245386152
Area 2.8970649191427E+15
Altitude 70836880.456303

Triangular Pyramid

Length = n
Surface area 2.8970649191427E+15
Volume 6.4494122563654E+22
Height 38558713.797438