81589897 is an odd 8-digits prime number following 81589896
and preceding 81589898 . In scientific notation, it is written as 8.1589897 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 81589896 positive integers (up to 81589897) that are relatively prime to 81589897.
81589897 has 2 divisors, whose sum is 81589898
The reverse of 81589897 is 79898518
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 55 Digital Root 1
Name
eighty-one million five hundred eighty-nine thousand eight hundred ninety-seven
Scientific notation
8.1589897 × 10^7
Engineering notation
8.1589897 × 10^6
Prime Factorization
81589897
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
81589897 Product of the distinct prime numbers
The prime factorization of 81589897 is 81589897.
Since it has a total of 1 prime factors.
5 , 6 , 24 , 52 , 281 , 910 , 4805 , 3960 , 5200 , 16373 , 27421 , 947737 , 553570 , 466517 , 38610350 , 4039565 , 278667309 , 71665009 , 6028067108 , 3490945039
n×2
163179794
n×3
244769691
n×4
326359588
n×5
407949485
n÷2
40794948.5
n÷3
27196632.333333
n÷3
20397474.25
n÷5
16317979.4
n2
6656911292470609
n3
5.4313670669081E+23
n4
4.4314467955823E+31
n5
3.6156128761254E+39
2 √n9032.7126047495
3 √n433.72267565334
4 √n95.040583987839
5 √n38.223220605888
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
81589898 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
40794949 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9032.7126601038 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999754872 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81589897 can be divided by 2 positive divisors.
The sum of these divisors (counting 81589897) is 81589898, the average is 40794949.
Base
System
Value
2
Binary
100110111001111011010001001
3
Ternary
12200112012022001
4
Quaternary
10313033122021
5
Quinary
131341334042
6
Senary
12032431001
8
Octal
467173211
10
Decimal
81589897
12
Duodecimal
233a8461
16
Hexadecimal
4dcf689
20
Vigesimal
159ieeh
36
Base36
1ckr61
md5
4a97917e3af19c5feaa3b9b4ecd1a2aa
sha1
4896828596be4cdae9622534090c4a260b509dd7
sha256
16c41faed95f2818e865aa018e06b2dea9242cca8106d9cccd316d44779e92a8
sha512
15fa2b818ec29bacab5d87ee57f818d28361aca8ec96fd5ed80fdc689f05de237e3e129f71f511794ba97b9b1aa7573f38fc5fb6f45e26babb7593132b45763a
ripemd-160
67ef84d4f2a5bd18263d8c9c6e3438ba19f01e59
Diameter
163179794
Circumference
512644442.0447
Area
2.0913303612025E+16
Volume
2.2750857168464E+24
Surface area
8.3653214448098E+16
Circumference
512644442.0447
Perimeter
326359588
Area
6656911292470609
Diagonal
115385538.89002
Surface area
39941467754823654
Volume
5.4313670669081E+23
Space diagonal
141317846.98831
Perimeter
244769691
Area
2.8825271450095E+15
Altitude
70658923.494156
Surface area
2.8825271450095E+15
Volume
6.4009274735401E+22
Height
38461846.296675