81072552 is an even 8-digits composite number following 81072551
and preceding 81072553 . In scientific notation, it is written as 8.1072552 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 24567360 positive integers (up to 81072552) that are relatively prime to 81072552.
81072552 has 32 divisors, whose sum is 221107680
The reverse of 81072552 is 25527018
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million seventy-two thousand five hundred fifty-two
Scientific notation
8.1072552 × 10^7
Engineering notation
8.1072552 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 11 × 307093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20268138
Product of the distinct prime numbers
The prime factorization of 81072552 is 2 × 2 × 2 × 3 × 11 × 307093.
Since it has a total of 6 prime factors.
3 , 7 , 58 , 63 , 264 , 826 , 6717 , 7476 , 48409 , 19729 , 462776 , 989232 , 1288498 , 9180502 , 38893520 , 17454309 , 701258023 , 445546825 , 2655852852 , 2653728832
n×2
162145104
n×3
243217656
n×4
324290208
n×5
405362760
n÷2
40536276
n÷3
27024184
n÷3
20268138
n÷5
16214510.4
n2
6572758687792704
n3
5.3287032049953E+23
n4
4.3201156767954E+31
n5
3.5024280285301E+39
2 √n
9004.0297644999
3 √n
432.80401536974
4 √n
94.889566151922
5 √n
38.174624053793
1 , 2 , 3 , 4 , 6 , 8 , 11 , 12 , 22 , 24 , 33 , 44 , 66 , 88 , 132 , 264 , 307093 , 614186 , 921279 , 1228372 , 1842558 , 2456744 , 3378023 , 3685116 , 6756046 , 7370232 , 10134069 , 13512092 , 20268138 , 27024184 , 40536276 , 81072552
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
-81072551
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 81072552 can be divided by 32 positive divisors.
The sum of these divisors (counting 81072552) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101010001000110101000
3
Ternary
12122112220122010
4
Quaternary
10311101012220
5
Quinary
131223310202
6
Senary
12013355520
8
Octal
465210650
10
Decimal
81072552
12
Duodecimal
23198ba0
16
Hexadecimal
4d511a8
20
Vigesimal
156e17c
36
Base36
1c9nzc
md5
a22677ad89cbcaada7d747a8567b8aec
sha1
bdb7a049edcb736d882f20e7cabdbc9faca1820b
sha256
16f729f729e0fa7815e326c7e93853b889e5871ef87fe7f5734ed7a6539307d0
sha512
65d50daf08337359be02b247ac3acdc2be4c5f28034d93b1a825e71f0da0cc2665fead23b713b6bf932da1e49a4d748326de289a26ced10c22eef93b7fbfb41d
ripemd-160
279fca4cf2ca4ddbfe8ef0a1f42c0d43ea45ed34
Diameter
162145104
Circumference
509393867.54195
Area
2.0648930407388E+16
Volume
2.2320819789298E+24
Surface area
8.2595721629552E+16
Circumference
509393867.54195
Perimeter
324290208
Area
6572758687792704
Diagonal
114653902.5746
Surface area
39436552126756224
Volume
5.3287032049953E+23
Space diagonal
140421779.16327
Perimeter
243217656
Area
2.8460879982867E+15
Altitude
70210889.581635
Surface area
2.8460879982867E+15
Volume
6.2799369519711E+22
Height
38217967.524866