68540978 is an even 8-digits composite number following 68540977
and preceding 68540979 . In scientific notation, it is written as 6.8540978 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 29498560 positive integers (up to 68540978) that are relatively prime to 68540978.
68540978 has 32 divisors, whose sum is 118272960
The reverse of 68540978 is 87904586
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-eight million five hundred forty thousand nine hundred seventy-eight
Scientific notation
6.8540978 × 10^7
Engineering notation
6.8540978 × 10^6
Prime Factorization
2 × 53 × 11 × 29 × 2027
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
68540978
Product of the distinct prime numbers
The prime factorization of 68540978 is 2 × 53 × 11 × 29 × 2027.
Since it has a total of 5 prime factors.
9 , 3 , 11 , 51 , 226 , 326 , 4891 , 8759 , 83411 , 84591 , 179907 , 740671 , 5482471 , 9540660 , 30503451 , 49656871 , 39440274 , 290088493 , 609565526 , 7370770048
n×2
137081956
n×3
205622934
n×4
274163912
n×5
342704890
n÷2
34270489
n÷3
22846992.666667
n÷3
17135244.5
n÷5
13708195.6
n2
4697865665196484
n3
3.2199630720519E+23
n4
2.2069941808232E+31
n5
1.5126953959393E+39
2 √n
8278.9478800147
3 √n
409.24504736766
4 √n
90.988723916839
5 √n
36.913910881763
1 , 2 , 11 , 22 , 29 , 53 , 58 , 106 , 319 , 583 , 638 , 1166 , 1537 , 2027 , 3074 , 4054 , 16907 , 22297 , 33814 , 44594 , 58783 , 107431 , 117566 , 214862 , 646613 , 1181741 , 1293226 , 2363482 , 3115499 , 6230998 , 34270489 , 68540978
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
-68540977
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 68540978 can be divided by 32 positive divisors.
The sum of these divisors (counting 68540978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000101011101101000110010
3
Ternary
11202222020112202
4
Quaternary
10011131220302
5
Quinary
120021302403
6
Senary
10445023202
8
Octal
405355062
10
Decimal
68540978
12
Duodecimal
1ab54b02
16
Hexadecimal
415da32
20
Vigesimal
1187c8i
36
Base36
14t2k2
md5
0cbe28010950be0cbafd424c0d7424ef
sha1
ec0eadbe72c840bee0d3f52c530893dc78b74280
sha256
48f9185fd439f23d67688cc4f1eb7c6ff2d1a0072ec84294d2eaa6bf8c7975bd
sha512
2da0e632195a54b6c94a482ba5f5d3bbb774d6cc43a74eecb2f5c99f75c57313ad9917d48e195a5de1bf0a3e306bdb136bcb27d2e9bbc3ab06c37b281f67ff48
ripemd-160
5e3fc3ed056ca2c6206138e5c1d50a56b2a90ae7
Diameter
137081956
Circumference
430655665.90932
Area
1.4758780261333E+16
Volume
1.3487749775985E+24
Surface area
5.9035121045332E+16
Circumference
430655665.90932
Perimeter
274163912
Area
4697865665196484
Diagonal
96931580.665916
Surface area
28187193991178904
Volume
3.2199630720519E+23
Space diagonal
118716456.29646
Perimeter
205622934
Area
2.0342355048134E+15
Altitude
59358228.14823
Surface area
2.0342355048134E+15
Volume
3.7947628723636E+22
Height
32310526.888639