81794911 is an odd 8-digits composite number following 81794910
and preceding 81794912 . In scientific notation, it is written as 8.1794911 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 73304000 positive integers (up to 81794911) that are relatively prime to 81794911.
81794911 has 12 divisors, whose sum is 91182672
The reverse of 81794911 is 11949718
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million seven hundred ninety-four thousand nine hundred eleven
Scientific notation
8.1794911 × 10^7
Engineering notation
8.1794911 × 10^6
Prime Factorization
11 × 11 × 71 × 9521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7435901
Product of the distinct prime numbers
The prime factorization of 81794911 is 11 × 11 × 71 × 9521.
Since it has a total of 4 prime factors.
6 , 9 , 25 , 38 , 615 , 649 , 7563 , 9627 , 54740 , 43231 , 757171 , 781974 , 1949467 , 3690123 , 98916345 , 95095113 , 50778181 , 537978381 , 5030365319 , 3092744396
n×2
163589822
n×3
245384733
n×4
327179644
n×5
408974555
n÷2
40897455.5
n÷3
27264970.333333
n÷3
20448727.75
n÷5
16358982.2
n2
6690407465497921
n3
5.4724128319414E+23
n4
4.476155205439E+31
n5
3.6612671665107E+39
2 √n
9044.0539029796
3 √n
434.08564889225
4 √n
95.100230825059
5 √n
38.242410312626
1 , 11 , 71 , 121 , 781 , 8591 , 9521 , 104731 , 675991 , 1152041 , 7435901 , 81794911
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81794910
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81794911 can be divided by 12 positive divisors.
The sum of these divisors (counting 81794911) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000000001011101011111
3
Ternary
12200220121112011
4
Quaternary
10320001131133
5
Quinary
131414414121
6
Senary
12041052051
8
Octal
470013537
10
Decimal
81794911
12
Duodecimal
23487027
16
Hexadecimal
4e0175f
20
Vigesimal
15b475b
36
Base36
1cp5cv
md5
d55aee1a63716678a890a78124c934bd
sha1
5877e63246c731439ae137f0585cddc65ee313dc
sha256
29e1c6e3327dc02f9f78384c4f52d970a3212fe9a5149f222cb50ff88cbd9b5c
sha512
4de31b3ee3ad315f42e59dc860d50b36c89c335ff2631812b52f6ad99ee6b6c7e431a81b1d93497b5da896b6b3533a3eb5db7126c08403c13d9748ac996d5f08
ripemd-160
d41194c3f4e1f944eafab6dd9aaba34be1e2271d
Diameter
163589822
Circumference
513932582.99726
Area
2.1018534943131E+16
Volume
2.2922789266983E+24
Surface area
8.4074139772522E+16
Circumference
513932582.99726
Perimeter
327179644
Area
6690407465497921
Diagonal
115675472.4693
Surface area
40142444792987526
Volume
5.4724128319414E+23
Space diagonal
141672941.65257
Perimeter
245384733
Area
2.8970314133951E+15
Altitude
70836470.826287
Surface area
2.8970314133951E+15
Volume
6.44930037153E+22
Height
38558490.8231