68693721 is an odd 8-digits composite number following 68693720
and preceding 68693722 . In scientific notation, it is written as 6.8693721 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 41860224 positive integers (up to 68693721) that are relatively prime to 68693721.
68693721 has 24 divisors, whose sum is 99921120
The reverse of 68693721 is 12739686
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million six hundred ninety-three thousand seven hundred twenty-one
Scientific notation
6.8693721 × 10^7
Engineering notation
6.8693721 × 10^6
Prime Factorization
3 × 29 × 19 × 29 × 1433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2368749
Product of the distinct prime numbers
The prime factorization of 68693721 is 3 × 29 × 19 × 29 × 1433.
Since it has a total of 5 prime factors.
8 , 3 , 72 , 36 , 403 , 985 , 7624 , 9002 , 97327 , 10948 , 363850 , 536495 , 637122 , 3494841 , 33683297 , 66747201 , 30265762 , 505200079 , 9404169406 , 5313354859
n×2
137387442
n×3
206081163
n×4
274774884
n×5
343468605
n÷2
34346860.5
n÷3
22897907
n÷3
17173430.25
n÷5
13738744.2
n2
4718827304825841
n3
3.2415380632489E+23
n4
2.226733113277E+31
n5
1.5296258322491E+39
2 √n
8288.1675296775
3 √n
409.54882155581
4 √n
91.039373513208
5 √n
36.930348704406
1 , 3 , 19 , 29 , 57 , 87 , 551 , 841 , 1433 , 1653 , 2523 , 4299 , 15979 , 27227 , 41557 , 47937 , 81681 , 124671 , 789583 , 1205153 , 2368749 , 3615459 , 22897907 , 68693721
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
-68693720
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 68693721 can be divided by 24 positive divisors.
The sum of these divisors (counting 68693721) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000110000010111011011001
3
Ternary
11210021000001220
4
Quaternary
10012002323121
5
Quinary
120041144341
6
Senary
10452202253
8
Octal
406027331
10
Decimal
68693721
12
Duodecimal
1b009389
16
Hexadecimal
4182ed9
20
Vigesimal
1196e61
36
Base36
14wcex
md5
0bcec501d76cd3c75fc55a6cf7292353
sha1
4d56384a734202457e79dae333807326542aac71
sha256
303c936531b33403b9ba617eaea38899559be50ed08b6c5f19f8a452450a3a6b
sha512
552cbd6e843fca28614cd817bfbe1e8a04ac93aeba42caf246f261cdfc5d5bfc88dcd6cc316d1383e91fcb803b5a6b4fb2f05fc9266a71eaef16bcf7f08bcd55
ripemd-160
a4c5bd4d318273c1abb6b76c5125a347d7f7e1ec
Diameter
137387442
Circumference
431615378.48269
Area
1.48246331944E+16
Volume
1.3578122887779E+24
Surface area
5.9298532777599E+16
Circumference
431615378.48269
Perimeter
274774884
Area
4718827304825841
Diagonal
97147591.888073
Surface area
28312963828955046
Volume
3.2415380632489E+23
Space diagonal
118981014.93296
Perimeter
206081163
Area
2.0433121610254E+15
Altitude
59490507.466481
Surface area
2.0433121610254E+15
Volume
3.8201892433293E+22
Height
32382530.629358