81465246 (number)

81465246 is an even 8-digits composite number following 81465245 and preceding 81465247. In scientific notation, it is written as 8.1465246 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 27155076 positive integers (up to 81465246) that are relatively prime to 81465246.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-five thousand two hundred forty-six

Notation

Scientific notation 8.1465246 × 10^7
Engineering notation 8.1465246 × 10^6

Prime Factorization of 81465246

Prime Factorization 2 × 9 × 4525847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81465246
Product of the distinct prime numbers

The prime factorization of 81465246 is 2 × 9 × 4525847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81465246)

Multiplication

n×y
n×2 162930492
n×3 244395738
n×4 325860984
n×5 407326230

Division

n÷y
n÷2 40732623
n÷3 27155082
n÷3 20366311.5
n÷5 16293049.2

Exponentiation

ny
n2 6636586305840516
n3 5.4065113600553E+23
n4 4.404427779487E+31
n5 3.5880779254514E+39

Nth Root

y√n
2√n 9025.8099913526
3√n 433.50168619611
4√n 95.004263016733
5√n 38.21153416629

Divisors of 81465246

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81465245
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81465246 can be divided by 8 positive divisors. The sum of these divisors (counting 81465246) is 1, the average is 0.125.

Base conversion 81465246

Base System Value
2 Binary 100110110110000111110011110
3 Ternary 12200021212022100
4 Quaternary 10312300332132
5 Quinary 131323341441
6 Senary 12030025530
8 Octal 466607636
10 Decimal 81465246
12 Duodecimal 233482a6
16 Hexadecimal 4db0f9e
20 Vigesimal 1593326
36 Base36 1ci2zi

Cryptographic Hash Functions

md5 3b0c0403fa6c7721b76dd94e342585a3
sha1 a4afc5fdcd9b2a7a49aa8482fa9c56290d41436c
sha256 29ec213d5814d00bc69f5fdaf34f8d92501833ab381f0efa3b783aeb1a56865e
sha512 f434a91f55d54652e023da6d46f627c0e0fe2109e15812d3ad26d5ffe1cfe5f3dfdaa03802f5ddf7b1db928561b01faa9578ef63adc1b14c562ae42e5475e81e
ripemd-160 3af9c669a4edd650810a8e14ca5b54dd1c9b23b3

81465246 as geometric shapes

Circle

Radius = n
Diameter 162930492
Circumference 511861236.71297
Area 2.0849450783343E+16

Sphere

Radius = n
Volume 2.2646741827066E+24
Surface area 8.3397803133373E+16
Circumference 511861236.71297

Square

Length = n
Perimeter 325860984
Area 6636586305840516
Diagonal 115209255.75526

Cube

Length = n
Surface area 39819517835043096
Volume 5.4065113600553E+23
Space diagonal 141101945.1231

Equilateral Triangle

Length = n
Perimeter 244395738
Area 2.8737261676329E+15
Altitude 70550972.561549

Triangular Pyramid

Length = n
Surface area 2.8737261676329E+15
Volume 6.3716347420953E+22
Height 38403085.251754