81124772 is an even 8-digits composite number following 81124771
and preceding 81124773 . In scientific notation, it is written as 8.1124772 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 38707328 positive integers (up to 81124772) that are relatively prime to 81124772.
81124772 has 24 divisors, whose sum is 148490496
The reverse of 81124772 is 27742118
Previous prime number is 593
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million one hundred twenty-four thousand seven hundred seventy-two
Scientific notation
8.1124772 × 10^7
Engineering notation
8.1124772 × 10^6
Prime Factorization
2 × 2 × 23 × 593 × 1487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40562386
Product of the distinct prime numbers
The prime factorization of 81124772 is 2 × 2 × 23 × 593 × 1487.
Since it has a total of 5 prime factors.
1 , 6 , 49 , 87 , 404 , 673 , 4756 , 8392 , 98382 , 88674 , 750543 , 293899 , 7195633 , 2794735 , 73682072 , 560003 , 938437374 , 834578015 , 2771982066 , 1828131098
n×2
162249544
n×3
243374316
n×4
324499088
n×5
405623860
n÷2
40562386
n÷3
27041590.666667
n÷3
20281193
n÷5
16224954.4
n2
6581228632051984
n3
5.3390067225509E+23
n4
4.3312570307341E+31
n5
3.513722390917E+39
2 √n
9006.9291104127
3 √n
432.89692052819
4 √n
94.90484239707
5 √n
38.179540552425
1 , 2 , 4 , 23 , 46 , 92 , 593 , 1186 , 1487 , 2372 , 2974 , 5948 , 13639 , 27278 , 34201 , 54556 , 68402 , 136804 , 881791 , 1763582 , 3527164 , 20281193 , 40562386 , 81124772
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81124771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81124772 can be divided by 24 positive divisors.
The sum of these divisors (counting 81124772) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101011101110110100100
3
Ternary
12122122120021012
4
Quaternary
10311131312210
5
Quinary
131231443042
6
Senary
12014441352
8
Octal
465356644
10
Decimal
81124772
12
Duodecimal
23203258
16
Hexadecimal
4d5dda4
20
Vigesimal
1570bic
36
Base36
1cas9w
md5
c5f0b9ab18cd5c88a17ef93a328d4531
sha1
1dd531284cb445a689c66cbded381e25610f8a17
sha256
0c1efb829a589b6f07bc0c075cb2e76cedf07281b0a0df92eaa1fa14dd4d20b1
sha512
80aa795844e0424a4028443510e476c6d5f61f1605a358f6b5f8dd822311874a172ccd9df06f43b91cb9837de51f73b34573258fb1cc0b6db0b23417abdf5f0c
ripemd-160
7a564b50a0b2f74a1adebcdd0ffada0f8c79463e
Diameter
162249544
Circumference
509721975.47869
Area
2.0675539522049E+16
Volume
2.236397906271E+24
Surface area
8.2702158088197E+16
Circumference
509721975.47869
Perimeter
324499088
Area
6581228632051984
Diagonal
114727752.80683
Surface area
39487371792311904
Volume
5.3390067225509E+23
Space diagonal
140512226.85644
Perimeter
243374316
Area
2.8497555917353E+15
Altitude
70256113.428221
Surface area
2.8497555917353E+15
Volume
6.2920797638605E+22
Height
38242584.268942