68291289 is an odd 8-digits composite number following 68291288
and preceding 68291290 . In scientific notation, it is written as 6.8291289 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 41388480 positive integers (up to 68291289) that are relatively prime to 68291289.
68291289 has 4 divisors, whose sum is 68521524
The reverse of 68291289 is 98219286
Previous prime number is 297
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million two hundred ninety-one thousand two hundred eighty-nine
Scientific notation
6.8291289 × 10^7
Engineering notation
6.8291289 × 10^6
Prime Factorization
297 × 229937
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68291289
Product of the distinct prime numbers
The prime factorization of 68291289 is 297 × 229937.
Since it has a total of 2 prime factors.
7 , 10 , 53 , 5 , 431 , 320 , 224 , 5457 , 9681 , 18128 , 404320 , 440368 , 5358929 , 7907345 , 75961665 , 17632099 , 486831159 , 845429884 , 4711674207 , 4430201618
n×2
136582578
n×3
204873867
n×4
273165156
n×5
341456445
n÷2
34145644.5
n÷3
22763763
n÷3
17072822.25
n÷5
13658257.8
n2
4663700153281521
n3
3.1849009497709E+23
n4
2.1750099119718E+31
n5
1.4853423047633E+39
2 √n
8263.8543670614
3 √n
408.7474943033
4 √n
90.905744411788
5 √n
36.886976753035
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
-68291288
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 68291289 can be divided by 4 positive divisors.
The sum of these divisors (counting 68291289) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000100100000101011011001
3
Ternary
11202111120001000
4
Quaternary
10010200223121
5
Quinary
114440310124
6
Senary
10435415213
8
Octal
404405331
10
Decimal
68291289
12
Duodecimal
1aa54509
16
Hexadecimal
4120ad9
20
Vigesimal
116g849
36
Base36
14npw9
md5
31abc58930764c02a3e49cf47ef1af17
sha1
f18041a3af28d50465f56d992c287d7bd1a4b4ad
sha256
a226cfc65bbb42388b49d6b14a3e2bf24fe1492b725cc28d8bb0796c2278612c
sha512
1e93b2e006786f2665e5544c642922aae8fda4065dda511cb620539e962b8cace65c0210416377dea24f92333ae62701eb65c328170785a67ab6fcfacda5959a
ripemd-160
ea7da4c626b377550a3ff863e3ee009ec22da537
Diameter
136582578
Circumference
429086823.65315
Area
1.4651446140095E+16
Volume
1.3340881901615E+24
Surface area
5.8605784560379E+16
Circumference
429086823.65315
Perimeter
273165156
Area
4663700153281521
Diagonal
96578467.095741
Surface area
27982200919689126
Volume
3.1849009497709E+23
Space diagonal
118283982.26237
Perimeter
204873867
Area
2.0194414041876E+15
Altitude
59141991.131185
Surface area
2.0194414041876E+15
Volume
3.7534417649842E+22
Height
32192822.365247