68831531 is an odd 8-digits prime number following 68831530
and preceding 68831532 . In scientific notation, it is written as 6.8831531 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 68831530 positive integers (up to 68831531) that are relatively prime to 68831531.
68831531 has 2 divisors, whose sum is 68831532
The reverse of 68831531 is 13513886
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
sixty-eight million eight hundred thirty-one thousand five hundred thirty-one
Scientific notation
6.8831531 × 10^7
Engineering notation
6.8831531 × 10^6
Prime Factorization
68831531
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
68831531 Product of the distinct prime numbers
The prime factorization of 68831531 is 68831531.
Since it has a total of 1 prime factors.
8 , 7 , 87 , 11 , 627 , 392 , 5073 , 6441 , 91517 , 17621 , 231531 , 892864 , 2006863 , 2153027 , 11686967 , 33132217 , 653956683 , 784578446 , 8288957466 , 2981387826
n×2
137663062
n×3
206494593
n×4
275326124
n×5
344157655
n÷2
34415765.5
n÷3
22943843.666667
n÷3
17207882.75
n÷5
13766306.2
n2
4737779659803961
n3
3.2610862752497E+23
n4
2.2446556104852E+31
n5
1.5450308223744E+39
2 √n8296.4770234118
3 √n409.82251092142
4 √n91.084998893406
5 √n36.945154401842
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
68831532 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
34415766 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8296.4770836783 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999709435 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68831531 can be divided by 2 positive divisors.
The sum of these divisors (counting 68831531) is 68831532, the average is 34415766.
Base
System
Value
2
Binary
100000110100100100100101011
3
Ternary
11210112000002222
4
Quaternary
10012210210223
5
Quinary
120110102111
6
Senary
10455144255
8
Octal
406444453
10
Decimal
68831531
12
Duodecimal
1b07508b
16
Hexadecimal
41a492b
20
Vigesimal
11a3igb
36
Base36
14zaqz
md5
7cefc02e57b398b549c12389a0905108
sha1
aeba3662ee55ae2492d731869549e8652c2d61fc
sha256
5bd7284ab9d228ae6cbaee665adf938120619fe71f14310365d71b7efa91adda
sha512
48eaabbdf09f5f87e939e1acb33bec6bcbc5f940d10b9df73ff918d0becf8720e52f9c7b3a3c20b881b63ec9ad81553e7f5176cc010d5025b46ac81417ee4fa1
ripemd-160
52c41e6a9d223ccf775bdc808f3fdec703da7146
Diameter
137663062
Circumference
432481264.24988
Area
1.4884173773567E+16
Volume
1.3660006246729E+24
Surface area
5.9536695094269E+16
Circumference
432481264.24988
Perimeter
275326124
Area
4737779659803961
Diagonal
97342484.659104
Surface area
28426677958823766
Volume
3.2610862752497E+23
Space diagonal
119219708.85475
Perimeter
206494593
Area
2.0515187714617E+15
Altitude
59609854.427376
Surface area
2.0515187714617E+15
Volume
3.8432270321057E+22
Height
32447494.886368