81749076 is an even 8-digits composite number following 81749075
and preceding 81749077 . In scientific notation, it is written as 8.1749076 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 27227040 positive integers (up to 81749076) that are relatively prime to 81749076.
81749076 has 24 divisors, whose sum is 190906464
The reverse of 81749076 is 67094718
Previous prime number is 3931
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million seven hundred forty-nine thousand seventy-six
Scientific notation
8.1749076 × 10^7
Engineering notation
8.1749076 × 10^6
Prime Factorization
2 × 2 × 3 × 3931 × 1733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40874538
Product of the distinct prime numbers
The prime factorization of 81749076 is 2 × 2 × 3 × 3931 × 1733.
Since it has a total of 5 prime factors.
2 , 5 , 40 , 65 , 356 , 761 , 1483 , 9242 , 42581 , 61347 , 488362 , 147562 , 5886019 , 7962292 , 71702535 , 26618116 , 513874857 , 122044217 , 5716996217 , 5914593322
n×2
163498152
n×3
245247228
n×4
326996304
n×5
408745380
n÷2
40874538
n÷3
27249692
n÷3
20437269
n÷5
16349815.2
n2
6682911426853776
n3
5.4632183413514E+23
n4
4.4661305139173E+31
n5
3.6510204280814E+39
2 √n
9041.5195625514
3 √n
434.00455161684
4 √n
95.086905315882
5 √n
38.238123410472
1 , 2 , 3 , 4 , 6 , 12 , 1733 , 3466 , 3931 , 5199 , 6932 , 7862 , 10398 , 11793 , 15724 , 20796 , 23586 , 47172 , 6812423 , 13624846 , 20437269 , 27249692 , 40874538 , 81749076
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
-81749075
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 81749076 can be divided by 24 positive divisors.
The sum of these divisors (counting 81749076) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111110110010001010100
3
Ternary
12200211021122120
4
Quaternary
10313312101110
5
Quinary
131411432301
6
Senary
12040055540
8
Octal
467662124
10
Decimal
81749076
12
Duodecimal
234645b0
16
Hexadecimal
4df6454
20
Vigesimal
15aicdg
36
Base36
1co5zo
md5
c3da7817c8ad4570e1ecba0b8b281227
sha1
c0c2c039e738aee6cada5e340d1e41d9f957b6c6
sha256
275cc9569a030f804d02a7a771a5a4404edc6681451c7c19964e9be3ab724cab
sha512
822d2cfe2f6309bd57eee7db24cec24df1f9e5016cf60e0255f180286008b0bdec0525f9527ee944422edbeb73fef9fd0702b7ac7d9d6c76fadbfab02a1271c7
ripemd-160
1185c279fa9452d1c3fb6efa24b60155585ebb5e
Diameter
163498152
Circumference
513644593.19871
Area
2.0994985443195E+16
Volume
2.2884275474862E+24
Surface area
8.397994177278E+16
Circumference
513644593.19871
Perimeter
326996304
Area
6682911426853776
Diagonal
115610651.99067
Surface area
40097468561122656
Volume
5.4632183413514E+23
Space diagonal
141593553.10381
Perimeter
245247228
Area
2.8937855334483E+15
Altitude
70796776.551905
Surface area
2.8937855334483E+15
Volume
6.4384645604538E+22
Height
38536883.99689