81332488 is an even 8-digits composite number following 81332487
and preceding 81332489 . In scientific notation, it is written as 8.1332488 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 37730560 positive integers (up to 81332488) that are relatively prime to 81332488.
81332488 has 32 divisors, whose sum is 163762560
The reverse of 81332488 is 88423318
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million three hundred thirty-two thousand four hundred eighty-eight
Scientific notation
8.1332488 × 10^7
Engineering notation
8.1332488 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 71 × 8423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20333122
Product of the distinct prime numbers
The prime factorization of 81332488 is 2 × 2 × 2 × 17 × 71 × 8423.
Since it has a total of 6 prime factors.
5 , 5 , 22 , 84 , 359 , 974 , 2111 , 166 , 74666 , 12197 , 824170 , 111667 , 5665505 , 1005703 , 56446087 , 95785927 , 158403853 , 312739450 , 4757511554 , 3067353427
n×2
162664976
n×3
243997464
n×4
325329952
n×5
406662440
n÷2
40666244
n÷3
27110829.333333
n÷3
20333122
n÷5
16266497.6
n2
6614973604270144
n3
5.3801226128962E+23
n4
4.3757875785191E+31
n5
3.5589369072045E+39
2 √n
9018.4526388954
3 √n
433.26607608363
4 √n
94.965533952563
5 √n
38.199071927224
1 , 2 , 4 , 8 , 17 , 34 , 68 , 71 , 136 , 142 , 284 , 568 , 1207 , 2414 , 4828 , 8423 , 9656 , 16846 , 33692 , 67384 , 143191 , 286382 , 572764 , 598033 , 1145528 , 1196066 , 2392132 , 4784264 , 10166561 , 20333122 , 40666244 , 81332488
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81332487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81332488 can be divided by 32 positive divisors.
The sum of these divisors (counting 81332488) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000100100001000
3
Ternary
12200001010012101
4
Quaternary
10312100210020
5
Quinary
131310114423
6
Senary
12023123144
8
Octal
466204410
10
Decimal
81332488
12
Duodecimal
232a34b4
16
Hexadecimal
4d90908
20
Vigesimal
1586b48
36
Base36
1cf8js
md5
bdec1e847484cfe4db9363cfd79d1e0f
sha1
558153db750943fcf7e2219d9767d518bb746f33
sha256
03ef645e2511cd2c1beec5102c6239f46b6e488308565406e9132c25f439278d
sha512
6e019b2f9a4b874bfbbaa78995c80b5ab51d6455c2fabc2614da76cefb512037e44ca40e6005663a9266b5e44795664eab8816d910716716bef8ae43afdc8c7c
ripemd-160
0cbbeab381d4b2d62782a58be7f8e739be93c305
Diameter
162664976
Circumference
511027093.59796
Area
2.0781552478865E+16
Volume
2.2536204901449E+24
Surface area
8.3126209915462E+16
Circumference
511027093.59796
Perimeter
325329952
Area
6614973604270144
Diagonal
115021507.59115
Surface area
39689841625620864
Volume
5.3801226128962E+23
Space diagonal
140872001.52199
Perimeter
243997464
Area
2.8643675933307E+15
Altitude
70436000.760993
Surface area
2.8643675933307E+15
Volume
6.3405353053233E+22
Height
38340502.530382