81794927 is an odd 8-digits prime number following 81794926
and preceding 81794928 . In scientific notation, it is written as 8.1794927 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 81794926 positive integers (up to 81794927) that are relatively prime to 81794927.
81794927 has 2 divisors, whose sum is 81794928
The reverse of 81794927 is 72949718
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-one million seven hundred ninety-four thousand nine hundred twenty-seven
Scientific notation
8.1794927 × 10^7
Engineering notation
8.1794927 × 10^6
Prime Factorization
81794927
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81794927
Product of the distinct prime numbers
The prime factorization of 81794927 is 81794927.
Since it has a total of 1 prime factors.
7 , 8 , 99 , 43 , 678 , 820 , 7445 , 6562 , 86058 , 98626 , 999268 , 493612 , 8530857 , 70415 , 6877852 , 42708065 , 784948206 , 71410957 , 8092640616 , 8569349611
n×2
163589854
n×3
245384781
n×4
327179708
n×5
408974635
n÷2
40897463.5
n÷3
27264975.666667
n÷3
20448731.75
n÷5
16358985.4
n2
6690410082935329
n3
5.4724160433376E+23
n4
4.4761587077843E+31
n5
3.6612707474363E+39
2 √n
9044.0547875386
3 √n
434.08567719625
4 √n
95.100235475726
5 √n
38.242411808755
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81794928
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40897464
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9044.0548428235
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999755486
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81794927 can be divided by 2 positive divisors.
The sum of these divisors (counting 81794927) is 81794928, the average is 40897464.
Base
System
Value
2
Binary
100111000000001011101101111
3
Ternary
12200220121112202
4
Quaternary
10320001131233
5
Quinary
131414414202
6
Senary
12041052115
8
Octal
470013557
10
Decimal
81794927
12
Duodecimal
2348703b
16
Hexadecimal
4e0176f
20
Vigesimal
15b4767
36
Base36
1cp5db
md5
30e6df816e21d836bbf6f502a01d1203
sha1
8432b51b71eeac41466a4ad0e03465cd3d384424
sha256
0a66f6f07664397930c6fd038a4711a1f3a5b7b848707c5ce00d6138694d0a07
sha512
bb664c755a0cd96ea902a8a7d4a556858430dd77f3208408f680e9cc7927b3eb2b4e23e93a4397fb8a9ad99808e7063711f064a997df86356e5f177dbec8d63b
ripemd-160
a73fcba18dc12f49f95e39631f8f03e779215b82
Diameter
163589854
Circumference
513932683.52823
Area
2.1018543166053E+16
Volume
2.2922802718848E+24
Surface area
8.4074172664211E+16
Circumference
513932683.52823
Perimeter
327179708
Area
6690410082935329
Diagonal
115675495.09672
Surface area
40142460497611974
Volume
5.4724160433376E+23
Space diagonal
141672969.36539
Perimeter
245384781
Area
2.8970325467788E+15
Altitude
70836484.682694
Surface area
2.8970325467788E+15
Volume
6.4493041561968E+22
Height
38558498.365572