81488596 is an even 8-digits composite number following 81488595
and preceding 81488597 . In scientific notation, it is written as 8.1488596 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 34923672 positive integers (up to 81488596) that are relatively prime to 81488596.
81488596 has 12 divisors, whose sum is 162977248
The reverse of 81488596 is 69588418
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-one million four hundred eighty-eight thousand five hundred ninety-six
Scientific notation
8.1488596 × 10^7
Engineering notation
8.1488596 × 10^6
Prime Factorization
2 × 2 × 7 × 2910307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40744298
Product of the distinct prime numbers
The prime factorization of 81488596 is 2 × 2 × 7 × 2910307.
Since it has a total of 4 prime factors.
1 , 1 , 6 , 64 , 643 , 896 , 1230 , 429 , 38432 , 97312 , 710092 , 956719 , 9461535 , 3886240 , 74804717 , 2416775 , 393521215 , 913370324 , 866402013 , 9126282525
n×2
162977192
n×3
244465788
n×4
325954384
n×5
407442980
n÷2
40744298
n÷3
27162865.333333
n÷3
20372149
n÷5
16297719.2
n2
6640391278051216
n3
5.4111616213904E+23
n4
4.4094796325619E+31
n5
3.5932230434806E+39
2 √n
9027.1034113939
3 √n
433.54309975557
4 √n
95.011069941318
5 √n
38.213724393629
1 , 2 , 4 , 7 , 14 , 28 , 2910307 , 5820614 , 11641228 , 20372149 , 40744298 , 81488596
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81488595
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81488596 can be divided by 12 positive divisors.
The sum of these divisors (counting 81488596) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110110110101011010100
3
Ternary
12200100001100011
4
Quaternary
10312312223110
5
Quinary
131330113341
6
Senary
12030330004
8
Octal
466665324
10
Decimal
81488596
12
Duodecimal
23359904
16
Hexadecimal
4db6ad4
20
Vigesimal
159619g
36
Base36
1cil04
md5
c8331a677091a1dbe0deb16d5a00546f
sha1
af0d0f2c124be04154c2fbcea769f1b3a048b6ed
sha256
60c4276d8bf67e29e865e8c3c7b5850759b3890458b2f317a5955d9f16876a4d
sha512
47c33d351918b803b9538b28a184ba078ba44f0407388c4be44c554ba0708426e185331943402bf2a071eb02297523b008b134b0d1add770d330b2f8e6265c8d
ripemd-160
1c514ae89912610aac711ebfa723b1f45a71af07
Diameter
162977192
Circumference
512007949.08989
Area
2.0861404456087E+16
Volume
2.2666220796196E+24
Surface area
8.344561782435E+16
Circumference
512007949.08989
Perimeter
325954384
Area
6640391278051216
Diagonal
115242277.64194
Surface area
39842347668307296
Volume
5.4111616213904E+23
Space diagonal
141142388.50945
Perimeter
244465788
Area
2.8753737689305E+15
Altitude
70571194.254727
Surface area
2.8753737689305E+15
Volume
6.3771151276359E+22
Height
38414092.547314