81452008 is an even 8-digits composite number following 81452007
and preceding 81452009 . In scientific notation, it is written as 8.1452008 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 36936000 positive integers (up to 81452008) that are relatively prime to 81452008.
81452008 has 32 divisors, whose sum is 167001120
The reverse of 81452008 is 80025418
Previous prime number is 571
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million four hundred fifty-two thousand eight
Scientific notation
8.1452008 × 10^7
Engineering notation
8.1452008 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 571 × 1621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20363002
Product of the distinct prime numbers
The prime factorization of 81452008 is 2 × 2 × 2 × 11 × 571 × 1621.
Since it has a total of 6 prime factors.
2 , 7 , 66 , 62 , 275 , 895 , 9630 , 8489 , 62681 , 95130 , 201695 , 973114 , 7305070 , 1851985 , 68008772 , 70099782 , 161899586 , 741983006 , 1696551650 , 1829126358
n×2
162904016
n×3
244356024
n×4
325808032
n×5
407260040
n÷2
40726004
n÷3
27150669.333333
n÷3
20363002
n÷5
16290401.6
n2
6634429607232064
n3
5.403876134437E+23
n4
4.4015656213317E+31
n5
3.5851635820124E+39
2 √n
9025.0766201734
3 √n
433.47820376454
4 √n
95.000403263214
5 √n
38.210292220314
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 571 , 1142 , 1621 , 2284 , 3242 , 4568 , 6281 , 6484 , 12562 , 12968 , 17831 , 25124 , 35662 , 50248 , 71324 , 142648 , 925591 , 1851182 , 3702364 , 7404728 , 10181501 , 20363002 , 40726004 , 81452008
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
-81452007
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 81452008 can be divided by 32 positive divisors.
The sum of these divisors (counting 81452008) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110101101101111101000
3
Ternary
12200021012011001
4
Quaternary
10312231233220
5
Quinary
131322431013
6
Senary
12025444344
8
Octal
466555750
10
Decimal
81452008
12
Duodecimal
233406b4
16
Hexadecimal
4dadbe8
20
Vigesimal
1591a08
36
Base36
1chsrs
md5
a966d729fdf7cd6fb158fb4c9afa77aa
sha1
ff0af89db73e97debf1ca142ace58aa991a7e905
sha256
23e0de22bf1dd04ddb0c88b429cfeac6c0ca648dd3637c1789799b136ddc2a42
sha512
999a0c952c401c9f74a3d50b99db485e51e213770bf325e46712da0b60ae6b6270bd5e04a58f09d2896c0483a3950f1f2f6a4c41ec551673d058aa81f16ff2f3
ripemd-160
1201e0d139b6775bbb53849fbe11b149a4a71ce3
Diameter
162904016
Circumference
511778059.90587
Area
2.0842675314839E+16
Volume
2.2635703419809E+24
Surface area
8.3370701259355E+16
Circumference
511778059.90587
Perimeter
325808032
Area
6634429607232064
Diagonal
115190534.39612
Surface area
39806577643392384
Volume
5.403876134437E+23
Space diagonal
141079016.23451
Perimeter
244356024
Area
2.8727922897413E+15
Altitude
70539508.117253
Surface area
2.8727922897413E+15
Volume
6.368529098921E+22
Height
38396844.798707