82207981 is an odd 8-digits composite number following 82207980
and preceding 82207982 . In scientific notation, it is written as 8.2207981 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 82000512 positive integers (up to 82207981) that are relatively prime to 82207981.
82207981 has 4 divisors, whose sum is 82415452
The reverse of 82207981 is 18970228
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-two million two hundred seven thousand nine hundred eighty-one
Scientific notation
8.2207981 × 10^7
Engineering notation
8.2207981 × 10^6
Prime Factorization
397 × 207073
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82207981
Product of the distinct prime numbers
The prime factorization of 82207981 is 397 × 207073.
Since it has a total of 2 prime factors.
1 , 4 , 96 , 24 , 363 , 171 , 4307 , 354 , 70795 , 4997 , 605655 , 178870 , 1851768 , 3912354 , 6301762 , 96408272 , 272473938 , 930337761 , 3394207609 , 4643622596
n×2
164415962
n×3
246623943
n×4
328831924
n×5
411039905
n÷2
41103990.5
n÷3
27402660.333333
n÷3
20551995.25
n÷5
16441596.2
n2
6758152140096361
n3
5.5557404272815E+23
n4
4.5672620348689E+31
n5
3.7546539058452E+39
2 √n
9066.8616952063
3 √n
434.81514319251
4 √n
95.220069813072
5 √n
38.280957891252
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
-82207980
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 82207981 can be divided by 4 positive divisors.
The sum of these divisors (counting 82207981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001100110010011101101
3
Ternary
12201200121011001
4
Quaternary
10321212103231
5
Quinary
132021123411
6
Senary
12054000301
8
Octal
471462355
10
Decimal
82207981
12
Duodecimal
23646091
16
Hexadecimal
4e664ed
20
Vigesimal
15dfjj1
36
Base36
1cy031
md5
ebed6b1a62576687d92a222fae149540
sha1
f64d1df13094b324cc15e065a0a8f3517bb5ffc0
sha256
78698d8e0133d64b0a40c95d172eb472a722807d44539d4ec4b0b956e50f9cdc
sha512
6fcba1e72673aabc923ef6ee75f2421decbe92de7ec52de926960fa01baaa2c80839aeb75b14e3c45a810310692c67bb466eae5066a07596228c9469c207f1d0
ripemd-160
e8e3f4270b9d703bbf708ccd1985e56eafe89b98
Diameter
164415962
Circumference
516527978.3521
Area
2.1231361115169E+16
Volume
2.3271831082133E+24
Surface area
8.4925444460675E+16
Circumference
516527978.3521
Perimeter
328831924
Area
6758152140096361
Diagonal
116259641.66551
Surface area
40548912840578166
Volume
5.5557404272815E+23
Space diagonal
142388399.87966
Perimeter
246623943
Area
2.9263657179818E+15
Altitude
71194199.939828
Surface area
2.9263657179818E+15
Volume
6.547502884405E+22
Height
38753213.888503