81771301 is an odd 8-digits composite number following 81771300
and preceding 81771302 . In scientific notation, it is written as 8.1771301 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 81560704 positive integers (up to 81771301) that are relatively prime to 81771301.
81771301 has 4 divisors, whose sum is 81981900
The reverse of 81771301 is 10317718
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million seven hundred seventy-one thousand three hundred one
Scientific notation
8.1771301 × 10^7
Engineering notation
8.1771301 × 10^6
Prime Factorization
389 × 210209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81771301
Product of the distinct prime numbers
The prime factorization of 81771301 is 389 × 210209.
Since it has a total of 2 prime factors.
1 , 5 , 91 , 15 , 434 , 847 , 6109 , 3308 , 11001 , 64818 , 317121 , 925264 , 8544959 , 9593003 , 92847 , 76855620 , 43953632 , 923567937 , 7446975869 , 1207406678
n×2
163542602
n×3
245313903
n×4
327085204
n×5
408856505
n÷2
40885650.5
n÷3
27257100.333333
n÷3
20442825.25
n÷5
16354260.2
n2
6686545667232601
n3
5.4676753840552E+23
n4
4.4709892959987E+31
n5
3.6559861149089E+39
2 √n
9042.7485312818
3 √n
434.04387877762
4 √n
95.093367441067
5 √n
38.240202332782
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81771300
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81771301 can be divided by 4 positive divisors.
The sum of these divisors (counting 81771301) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111111011101100100101
3
Ternary
12200212102010201
4
Quaternary
10313323230211
5
Quinary
131413140201
6
Senary
12040350501
8
Octal
467735445
10
Decimal
81771301
12
Duodecimal
23475431
16
Hexadecimal
4dfbb25
20
Vigesimal
15b1851
36
Base36
1con51
md5
03e662b8bd5e83207d88ed5538f81c63
sha1
bed40f0dd2e642bddadd547682ba262348fd3545
sha256
ed16ca4bf40551ec003b32ce21f0447cd44643f84faa230a1d8947ae9de5ce34
sha512
1595dcb7ae63d1073e15c14f2f60edfc8bf6f0f72eb260b2a7fce623e58cf00ba0b556bccda43549e1889f74d03b6ddcdb740c857cfdb91e2ac0e4d4a1764653
ripemd-160
4a8eb400fbed67864d398ab7afc1fb81762a2dfa
Diameter
163542602
Circumference
513784236.99216
Area
2.1006402746071E+16
Volume
2.2902945091682E+24
Surface area
8.4025610984282E+16
Circumference
513784236.99216
Perimeter
327085204
Area
6686545667232601
Diagonal
115642082.88709
Surface area
40119274003395606
Volume
5.4676753840552E+23
Space diagonal
141632047.93301
Perimeter
245313903
Area
2.8953592056941E+15
Altitude
70816023.966504
Surface area
2.8953592056941E+15
Volume
6.4437172356537E+22
Height
38547360.962364