81344488 is an even 8-digits composite number following 81344487
and preceding 81344489 . In scientific notation, it is written as 8.1344488 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 8 positive divisors.
There are 40672240 positive integers (up to 81344488) that are relatively prime to 81344488.
81344488 has 8 divisors, whose sum is 152520930
The reverse of 81344488 is 88444318
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million three hundred forty-four thousand four hundred eighty-eight
Scientific notation
8.1344488 × 10^7
Engineering notation
8.1344488 × 10^6
Prime Factorization
2 × 2 × 2 × 10168061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20336122
Product of the distinct prime numbers
The prime factorization of 81344488 is 2 × 2 × 2 × 10168061.
Since it has a total of 4 prime factors.
4 , 1 , 92 , 50 , 903 , 51 , 894 , 305 , 90432 , 38653 , 49124 , 419913 , 6270013 , 3471811 , 29386703 , 62723739 , 340384338 , 236101819 , 2723973528 , 3160037952
n×2
162688976
n×3
244033464
n×4
325377952
n×5
406722440
n÷2
40672244
n÷3
27114829.333333
n÷3
20336122
n÷5
16268897.6
n2
6616925727982144
n3
5.3825043547673E+23
n4
4.3783706089632E+31
n5
3.5615631546036E+39
2 √n
9019.1179169584
3 √n
433.2873834249
4 √n
94.969036622251
5 √n
38.20019905815
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
-81344487
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 81344488 can be divided by 8 positive divisors.
The sum of these divisors (counting 81344488) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010011011111101000
3
Ternary
12200001201122211
4
Quaternary
10312103133220
5
Quinary
131311010423
6
Senary
12023254504
8
Octal
466233750
10
Decimal
81344488
12
Duodecimal
232aa434
16
Hexadecimal
4d937e8
20
Vigesimal
1588148
36
Base36
1cfht4
md5
282eb8cbb2a706ba35950579c0e711bb
sha1
9a99d019f4683c961c908fd39c158ec157669d79
sha256
014efab36bc2e6e602cdf439a7db087f10fb77906714397ed94b3bc7bce653f0
sha512
15f47b4dbcb7077bd05d385bd3ecfc5edb43f71515079cfc97ab32a2ec385a0fb6737257704d6c9101ef87f1570ad848bb2b799625b93e74f1f4ed24dc3fd5ab
ripemd-160
0999ef8cc96ef8679690d5386e878583eff6a5ef
Diameter
162688976
Circumference
511102491.82165
Area
2.0787685256378E+16
Volume
2.254618151847E+24
Surface area
8.3150741025512E+16
Circumference
511102491.82165
Perimeter
325377952
Area
6616925727982144
Diagonal
115038478.1539
Surface area
39701554367892864
Volume
5.3825043547673E+23
Space diagonal
140892786.13168
Perimeter
244033464
Area
2.8652128876937E+15
Altitude
70446393.065838
Surface area
2.8652128876937E+15
Volume
6.3433422150369E+22
Height
38346159.384632