81508734 (number)

81508734 is an even 8-digits composite number following 81508733 and preceding 81508735. In scientific notation, it is written as 8.1508734 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 64 positive divisors. There are 23950080 positive integers (up to 81508734) that are relatively prime to 81508734.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred eight thousand seven hundred thirty-four

Notation

Scientific notation 8.1508734 × 10^7
Engineering notation 8.1508734 × 10^6

Prime Factorization of 81508734

Prime Factorization 2 × 27 × 31 × 23 × 73 × 29

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 81508734
Product of the distinct prime numbers

The prime factorization of 81508734 is 2 × 27 × 31 × 23 × 73 × 29. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 6, 2, 52, 904, 263, 8643, 6634, 43018, 87852, 169529, 302004, 7109810, 9255994, 47475443, 99356659, 421714504, 264582453, 3703069677, 8785127902

Basic calculations (n = 81508734)

Multiplication

n×y
n×2 163017468
n×3 244526202
n×4 326034936
n×5 407543670

Division

n÷y
n÷2 40754367
n÷3 27169578
n÷3 20377183.5
n÷5 16301746.8

Exponentiation

ny
n2 6643673718282756
n3 5.415174338863E+23
n4 4.4138400475001E+31
n5 3.5976651435023E+39

Nth Root

y√n
2√n 9028.2187611954
3√n 433.57881015873
4√n 95.01693933818
5√n 38.215612932543

Divisors of 81508734

1, 2, 23, 27, 29, 31, 46, 54, 58, 62, 73, 146, 621, 667, 713, 783, 837, 899, 1242, 1334, 1426, 1566, 1674, 1679, 1798, 1971, 2117, 2263, 3358, 3942, 4234, 4526, 18009, 19251, 20677, 24273, 36018, 38502, 41354, 45333, 48546, 48691, 52049, 57159, 61101, 65627, 90666, 97382, 104098, 114318, 122202, 131254, 558279, 1116558, 1314657, 1405323, 1509421, 1771929, 2629314, 2810646, 3018842, 3543858, 40754367, 81508734

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 -81508733
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 81508734 can be divided by 64 positive divisors. The sum of these divisors (counting 81508734) is 1, the average is 0.015625.

Base conversion 81508734

Base System Value
2 Binary 100110110111011100101111110
3 Ternary 12200101001222000
4 Quaternary 10312323211332
5 Quinary 131331234414
6 Senary 12031003130
8 Octal 466734576
10 Decimal 81508734
12 Duodecimal 233694a6
16 Hexadecimal 4dbb97e
20 Vigesimal 1598bge
36 Base36 1cj0ji

Cryptographic Hash Functions

md5 5f5e7dbdd3720d4b7adc3cf3e266ba34
sha1 16f50777824e0f7e68d509acf9f635a261c1c47a
sha256 c9236b91457743806443fa4cd22f6ae5202486217159c29e53b33de78ebec9e7
sha512 f9ed9bd5aa122d555b4e32a3baa85ac730f9746a0f011ede5674230d0b5ecb2d1448b4edbe5f33db1cf1bf40aca88b26dac0ba6328568f45185fc0e63a5f82dc
ripemd-160 ed6f512a11c76fcd606a1a8982732e8e7a81c161

81508734 as geometric shapes

Circle

Radius = n
Diameter 163017468
Circumference 512134479.87561
Area 2.0871716546205E+16

Sphere

Radius = n
Volume 2.268302922784E+24
Surface area 8.3486866184819E+16
Circumference 512134479.87561

Square

Length = n
Perimeter 326034936
Area 6643673718282756
Diagonal 115270757.07466

Cube

Length = n
Surface area 39862042309696536
Volume 5.415174338863E+23
Space diagonal 141177268.54862

Equilateral Triangle

Length = n
Perimeter 244526202
Area 2.8767951072439E+15
Altitude 70588634.274308

Triangular Pyramid

Length = n
Surface area 2.8767951072439E+15
Volume 6.381844160529E+22
Height 38423585.691554