83145721 is an odd 8-digits prime number following 83145720
and preceding 83145722 . In scientific notation, it is written as 8.3145721 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 83145720 positive integers (up to 83145721) that are relatively prime to 83145721.
83145721 has 2 divisors, whose sum is 83145722
The reverse of 83145721 is 12754138
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 31 Digital Root 4
Name
eighty-three million one hundred forty-five thousand seven hundred twenty-one
Scientific notation
8.3145721 × 10^7
Engineering notation
8.3145721 × 10^6
Prime Factorization
83145721
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
83145721 Product of the distinct prime numbers
The prime factorization of 83145721 is 83145721.
Since it has a total of 1 prime factors.
6 , 2 , 73 , 56 , 205 , 294 , 88 , 7512 , 31445 , 50086 , 632880 , 121577 , 9213455 , 7074517 , 53242197 , 36909064 , 640114596 , 339995834 , 9933161919 , 8682001858
n×2
166291442
n×3
249437163
n×4
332582884
n×5
415728605
n÷2
41572860.5
n÷3
27715240.333333
n÷3
20786430.25
n÷5
16629144.2
n2
6913210920609841
n3
5.7480390641918E+23
n4
4.7792485232839E+31
n5
3.9737406430663E+39
2 √n9118.4275508445
3 √n436.46219713234
4 √n95.490457904675
5 √n38.36789569166
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
83145722 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
41572861 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9118.4276056785 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999759458 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 83145721 can be divided by 2 positive divisors.
The sum of these divisors (counting 83145721) is 83145722, the average is 41572861.
Base
System
Value
2
Binary
100111101001011001111111001
3
Ternary
12210110020111011
4
Quaternary
10331023033321
5
Quinary
132241130341
6
Senary
12130033521
8
Octal
475131771
10
Decimal
83145721
12
Duodecimal
23a188a1
16
Hexadecimal
4f4b3f9
20
Vigesimal
15jd461
36
Base36
1di3nd
md5
4fafd2807601f628e314b4b99bdc2a86
sha1
ff69bd9c4412558817bf2a67a2c12e356d87f0d7
sha256
3b853aca9239219e9b9586a0258fe858feed4d5612aaf0c97533e8fb5ca00534
sha512
524cf24b6ecf14fa7bd44de60a14941fe7709b5e124bc2f0d544fcdee02f64c1a03e033dc65873e61fd471337f72c33fe1dfe21d2d40fa8a200830c08abae966
ripemd-160
86ae0520ce024703ec97286df562fa78cf5b5252
Diameter
166291442
Circumference
522419972.54205
Area
2.1718492640905E+16
Volume
2.4077329728816E+24
Surface area
8.6873970563618E+16
Circumference
522419972.54205
Perimeter
332582884
Area
6913210920609841
Diagonal
117585806.29149
Surface area
41479265523659046
Volume
5.7480390641918E+23
Space diagonal
144012613.20395
Perimeter
249437163
Area
2.9935081394841E+15
Altitude
72006306.601973
Surface area
2.9935081394841E+15
Volume
6.7741290013587E+22
Height
39195268.76383