68921312 is an even 8-digits composite number following 68921311
and preceding 68921313 . In scientific notation, it is written as 6.8921312 × 10^7.
The sum of its digits is 32. It has a total of 7 prime factors and 24 positive divisors.
There are 34405632 positive integers (up to 68921312) that are relatively prime to 68921312.
68921312 has 24 divisors, whose sum is 135905616
The reverse of 68921312 is 21312986
Previous prime number is 2617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-eight million nine hundred twenty-one thousand three hundred twelve
Scientific notation
6.8921312 × 10^7
Engineering notation
6.8921312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2617 × 823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4307582
Product of the distinct prime numbers
The prime factorization of 68921312 is 2 × 2 × 2 × 2 × 2 × 2617 × 823.
Since it has a total of 7 prime factors.
9 , 6 , 90 , 82 , 481 , 157 , 7004 , 6196 , 88169 , 19031 , 106514 , 524626 , 6223118 , 9347307 , 62601876 , 3192198 , 624705249 , 590158515 , 6930426483 , 60352194
n×2
137842624
n×3
206763936
n×4
275685248
n×5
344606560
n÷2
34460656
n÷3
22973770.666667
n÷3
17230328
n÷5
13784262.4
n2
4750147247801344
n3
3.2738638051166E+23
n4
2.2563898875795E+31
n5
1.5551335143551E+39
2 √n
8301.8860507718
3 √n
410.00061867842
4 √n
91.114686251843
5 √n
36.954787323277
1 , 2 , 4 , 8 , 16 , 32 , 823 , 1646 , 2617 , 3292 , 5234 , 6584 , 10468 , 13168 , 20936 , 26336 , 41872 , 83744 , 2153791 , 4307582 , 8615164 , 17230328 , 34460656 , 68921312
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68921311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68921312 can be divided by 24 positive divisors.
The sum of these divisors (counting 68921312) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000110111010011111100000
3
Ternary
11210200120021012
4
Quaternary
10012322133200
5
Quinary
120120440222
6
Senary
10501120052
8
Octal
406723740
10
Decimal
68921312
12
Duodecimal
1b0b9028
16
Hexadecimal
41ba7e0
20
Vigesimal
11af35c
36
Base36
15180w
md5
f6b60aa484a8499466686e4aff0d9e58
sha1
f9017048694140bcc6ad93c8159cf8952d36346d
sha256
59785c205a45bf79c26fc0a44054904a9fe60829051f45a5f8ec57f325d5ecc5
sha512
c135cfd5b7b06ec38025fa6eafcf8fc890c3876eea8d2ade1ec525d74f343552de3f2e3766118b3a4756213652493ea1f5e8a5fda44a24d5c9369fbbca8300b7
ripemd-160
b638663e3bf9c0b41a2edd9189bc57e12a1e1783
Diameter
137842624
Circumference
433045374.90994
Area
1.4923027697162E+16
Volume
1.3713528638677E+24
Surface area
5.969211078865E+16
Circumference
433045374.90994
Perimeter
275685248
Area
4750147247801344
Diagonal
97469454.166948
Surface area
28500883486808064
Volume
3.2738638051166E+23
Space diagonal
119375214.10831
Perimeter
206763936
Area
2.0568740941563E+15
Altitude
59687607.054153
Surface area
2.0568740941563E+15
Volume
3.8582854954652E+22
Height
32489818.055649