68509940 is an even 8-digits composite number following 68509939
and preceding 68509941 . In scientific notation, it is written as 6.8509940 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 26663040 positive integers (up to 68509940) that are relatively prime to 68509940.
68509940 has 24 divisors, whose sum is 147760872
The reverse of 68509940 is 04990586
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million five hundred nine thousand nine hundred forty
Scientific notation
6.8509940 × 10^7
Engineering notation
6.8509940 × 10^6
Prime Factorization
2 × 2 × 5 × 37 × 92581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
34254970
Product of the distinct prime numbers
The prime factorization of 68509940 is 2 × 2 × 5 × 37 × 92581.
Since it has a total of 5 prime factors.
6 , 10 , 62 , 20 , 988 , 811 , 5116 , 1843 , 68069 , 99034 , 919253 , 222782 , 3417838 , 4410644 , 69367459 , 43450823 , 262729672 , 439536990 , 1251573945 , 6764123654
n×2
137019880
n×3
205529820
n×4
274039760
n×5
342549700
n÷2
34254970
n÷3
22836646.666667
n÷3
17127485
n÷5
13701988
n2
4693611878803600
n3
3.2155906820012E+23
n4
2.2029992468846E+31
n5
1.5092734622411E+39
2 √n
8277.0731542013
3 √n
409.18326405703
4 √n
90.978421365735
5 √n
36.910567067336
1 , 2 , 4 , 5 , 10 , 20 , 37 , 74 , 148 , 185 , 370 , 740 , 92581 , 185162 , 370324 , 462905 , 925810 , 1851620 , 3425497 , 6850994 , 13701988 , 17127485 , 34254970 , 68509940
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
-68509939
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 68509940 can be divided by 24 positive divisors.
The sum of these divisors (counting 68509940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000101010110000011110100
3
Ternary
11202220122222012
4
Quaternary
10011112003310
5
Quinary
120014304230
6
Senary
10444223352
8
Octal
405260364
10
Decimal
68509940
12
Duodecimal
1ab3ab58
16
Hexadecimal
41560f4
20
Vigesimal
1183eh0
36
Base36
14selw
md5
81d43fd902fdc4baeb74d660289fe6e5
sha1
31aa533d67247f84c6b77188fa9b378a44e0d86c
sha256
9d38068b84880c05dbade181d48a9b61c5529780675b1561555550ac2eea5498
sha512
743b3a233b3c64a657dc6959a0985b3cc74fd5952e36c5517fd78f601d2ed82494231d1cfc2ac0ed0e2e810f48374324b0527644ce2e4861110a60f9030fd567
ripemd-160
83044f0e2474e582ee9e7299ba23e515c6ec0c4f
Diameter
137019880
Circumference
430460648.40376
Area
1.4745416597251E+16
Volume
1.3469434751369E+24
Surface area
5.8981666389005E+16
Circumference
430460648.40376
Perimeter
274039760
Area
4693611878803600
Diagonal
96887686.305367
Surface area
28161671272821600
Volume
3.2155906820012E+23
Space diagonal
118662696.9035
Perimeter
205529820
Area
2.0323935612742E+15
Altitude
59331348.451748
Surface area
2.0323935612742E+15
Volume
3.7896099612722E+22
Height
32295895.435122