68993940 is an even 8-digits composite number following 68993939
and preceding 68993941 . In scientific notation, it is written as 6.8993940 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 17429760 positive integers (up to 68993940) that are relatively prime to 68993940.
68993940 has 24 divisors, whose sum is 135569280
The reverse of 68993940 is 04939986
Previous prime number is 19
Is Prime? no Number parity even Number length 8 Sum of Digits 48 Digital Root 3
Name
sixty-eight million nine hundred ninety-three thousand nine hundred forty
Scientific notation
6.8993940 × 10^7
Engineering notation
6.8993940 × 10^6
Prime Factorization
2 × 2 × 15 × 19 × 60521
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
34496970 Product of the distinct prime numbers
The prime factorization of 68993940 is 2 × 2 × 15 × 19 × 60521.
Since it has a total of 5 prime factors.
4 , 2 , 94 , 48 , 669 , 864 , 9734 , 9829 , 21704 , 14127 , 538345 , 557541 , 2583303 , 353879 , 80931477 , 93984641 , 95904356 , 872433190 , 338078017 , 2763869585
n×2
137987880
n×3
206981820
n×4
275975760
n×5
344969700
n÷2
34496970
n÷3
22997980
n÷3
17248485
n÷5
13798788
n2
4760163756723600
n3
3.2842245262156E+23
n4
2.2659158990825E+31
n5
1.5633446558634E+39
2 √n8306.2590857738
3 √n410.14458513583
4 √n91.138680513675
5 √n36.962572496283
1 , 2 , 4 , 15 , 19 , 30 , 38 , 60 , 76 , 285 , 570 , 1140 , 60521 , 121042 , 242084 , 907815 , 1149899 , 1815630 , 2299798 , 3631260 , 4599596 , 17248485 , 34496970 , 68993940
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
-68993939 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 68993940 can be divided by 24 positive divisors.
The sum of these divisors (counting 68993940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000111001100001110010100
3
Ternary
11210211020220010
4
Quaternary
10013030032110
5
Quinary
120130301230
6
Senary
10502440220
8
Octal
407141624
10
Decimal
68993940
12
Duodecimal
1b133070
16
Hexadecimal
41cc394
20
Vigesimal
11b44h0
36
Base36
152s2c
md5
51ecf88c9487d87e748b21bf3c0f4883
sha1
1f03fd6600fe0fd37fcb9122ad91f2a30322eb0d
sha256
d7f39ba9a917b21252522ec231e46c4f467470fce120001c9a840581212f6e77
sha512
266d90981d57bb8e2177bdca6e98997fc94e605478764511f319b304aaaf4ffaf70914c9a4afc315b1f6f139673b26f9c30a994a0c0f3b7a331eb4f0fd9240e1
ripemd-160
08bdc644a74006af1635ea65572a0fa32cc77251
Diameter
137987880
Circumference
433501710.09243
Area
1.4954495488007E+16
Volume
1.3756927525731E+24
Surface area
5.9817981952029E+16
Circumference
433501710.09243
Perimeter
275975760
Area
4760163756723600
Diagonal
97572165.669556
Surface area
28560982540341600
Volume
3.2842245262156E+23
Space diagonal
119501009.49436
Perimeter
206981820
Area
2.0612113697483E+15
Altitude
59750504.747179
Surface area
2.0612113697483E+15
Volume
3.8704957223771E+22
Height
32524055.223185