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.
81465246 has 8 divisors, whose sum is 135775440
The reverse of 81465246 is 64256418
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million four hundred sixty-five thousand two hundred forty-six
Scientific notation
8.1465246 × 10^7
Engineering notation
8.1465246 × 10^6
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.
1 , 8 , 54 , 97 , 769 , 130 , 8276 , 8912 , 89864 , 65239 , 782675 , 566567 , 1469957 , 3407489 , 88341826 , 31856411 , 307366770 , 712916965 , 5446769049 , 1307722865
n×2
162930492
n×3
244395738
n×4
325860984
n×5
407326230
n÷2
40732623
n÷3
27155082
n÷3
20366311.5
n÷5
16293049.2
n2
6636586305840516
n3
5.4065113600553E+23
n4
4.404427779487E+31
n5
3.5880779254514E+39
2 √n
9025.8099913526
3 √n
433.50168619611
4 √n
95.004263016733
5 √n
38.21153416629
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
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
md5
3b0c0403fa6c7721b76dd94e342585a3
sha1
a4afc5fdcd9b2a7a49aa8482fa9c56290d41436c
sha256
29ec213d5814d00bc69f5fdaf34f8d92501833ab381f0efa3b783aeb1a56865e
sha512
f434a91f55d54652e023da6d46f627c0e0fe2109e15812d3ad26d5ffe1cfe5f3dfdaa03802f5ddf7b1db928561b01faa9578ef63adc1b14c562ae42e5475e81e
ripemd-160
3af9c669a4edd650810a8e14ca5b54dd1c9b23b3
Diameter
162930492
Circumference
511861236.71297
Area
2.0849450783343E+16
Volume
2.2646741827066E+24
Surface area
8.3397803133373E+16
Circumference
511861236.71297
Perimeter
325860984
Area
6636586305840516
Diagonal
115209255.75526
Surface area
39819517835043096
Volume
5.4065113600553E+23
Space diagonal
141101945.1231
Perimeter
244395738
Area
2.8737261676329E+15
Altitude
70550972.561549
Surface area
2.8737261676329E+15
Volume
6.3716347420953E+22
Height
38403085.251754