68509938 is an even 8-digits composite number following 68509937
and preceding 68509939 . In scientific notation, it is written as 6.8509938 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 18940320 positive integers (up to 68509938) that are relatively prime to 68509938.
68509938 has 32 divisors, whose sum is 144345600
The reverse of 68509938 is 83990586
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-eight million five hundred nine thousand nine hundred thirty-eight
Scientific notation
6.8509938 × 10^7
Engineering notation
6.8509938 × 10^6
Prime Factorization
2 × 3 × 49 × 31 × 7517
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
68509938
Product of the distinct prime numbers
The prime factorization of 68509938 is 2 × 3 × 49 × 31 × 7517.
Since it has a total of 5 prime factors.
2 , 10 , 26 , 32 , 509 , 418 , 67 , 5121 , 24713 , 96658 , 602605 , 194493 , 4492190 , 6248268 , 93048415 , 98565845 , 662267206 , 790009813 , 891600835 , 1237560738
n×2
137019876
n×3
205529814
n×4
274039752
n×5
342549690
n÷2
34254969
n÷3
22836646
n÷3
17127484.5
n÷5
13701987.6
n2
4693611604763844
n3
3.2155904003845E+23
n4
2.2029989896374E+31
n5
1.5092732419412E+39
2 √n
8277.0730333857
3 √n
409.18326007529
4 √n
90.978420701756
5 √n
36.910566851832
1 , 2 , 3 , 6 , 31 , 49 , 62 , 93 , 98 , 147 , 186 , 294 , 1519 , 3038 , 4557 , 7517 , 9114 , 15034 , 22551 , 45102 , 233027 , 368333 , 466054 , 699081 , 736666 , 1104999 , 1398162 , 2209998 , 11418323 , 22836646 , 34254969 , 68509938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68509937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68509938 can be divided by 32 positive divisors.
The sum of these divisors (counting 68509938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000101010110000011110010
3
Ternary
11202220122222010
4
Quaternary
10011112003302
5
Quinary
120014304223
6
Senary
10444223350
8
Octal
405260362
10
Decimal
68509938
12
Duodecimal
1ab3ab56
16
Hexadecimal
41560f2
20
Vigesimal
1183egi
36
Base36
14selu
md5
3b3aa3e230ed8dbcc4761cf0cb7ad5a5
sha1
0dcdfdf4a0a94047f79f071dfb796e80cfa30585
sha256
57ef5b0aa16fe6519885f214bdbbf48578db7c1e5c1d22592f6f93691012c149
sha512
b213103a8f2b3482b8c2a5ad80fe003bf9fb4484b20b851387c200bf54744ec5afe69288b7245b9d6b3a6303c1c680157e6c69363283b0034d9231317b050b26
ripemd-160
f5243c9207d35496d311d0a8ebd510fe724121d9
Diameter
137019876
Circumference
430460635.83738
Area
1.474541573633E+16
Volume
1.3469433571736E+24
Surface area
5.898166294532E+16
Circumference
430460635.83738
Perimeter
274039752
Area
4693611604763844
Diagonal
96887683.47694
Surface area
28161669628583064
Volume
3.2155904003845E+23
Space diagonal
118662693.43939
Perimeter
205529814
Area
2.0323934426115E+15
Altitude
59331346.719697
Surface area
2.0323934426115E+15
Volume
3.7896096293838E+22
Height
32295894.492313