68091938 is an even 8-digits composite number following 68091937
and preceding 68091939 . In scientific notation, it is written as 6.8091938 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 34045968 positive integers (up to 68091938) that are relatively prime to 68091938.
68091938 has 4 divisors, whose sum is 102137910
The reverse of 68091938 is 83919086
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million ninety-one thousand nine hundred thirty-eight
Scientific notation
6.8091938 × 10^7
Engineering notation
6.8091938 × 10^6
Prime Factorization
2 × 34045969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68091938
Product of the distinct prime numbers
The prime factorization of 68091938 is 2 × 34045969.
Since it has a total of 2 prime factors.
1 , 8 , 66 , 67 , 716 , 996 , 8994 , 8401 , 23773 , 19588 , 293403 , 599368 , 2041335 , 9834360 , 55106612 , 42959225 , 448240104 , 689458497 , 2143280808 , 2113203900
n×2
136183876
n×3
204275814
n×4
272367752
n×5
340459690
n÷2
34045969
n÷3
22697312.666667
n÷3
17022984.5
n÷5
13618387.6
n2
4636512020595844
n3
3.1570908904267E+23
n4
2.149724371713E+31
n5
1.4637889863577E+39
2 √n
8251.7839283394
3 √n
408.34937794329
4 √n
90.839330294424
5 √n
36.865416003046
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68091937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68091938 can be divided by 4 positive divisors.
The sum of these divisors (counting 68091938) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000011110000000000100010
3
Ternary
11202010102120122
4
Quaternary
10003300000202
5
Quinary
114412420223
6
Senary
10431240242
8
Octal
403600042
10
Decimal
68091938
12
Duodecimal
1a979082
16
Hexadecimal
40f0022
20
Vigesimal
115b9gi
36
Base36
14jg2q
md5
f6dc3a322b9170aa10f10007e90f1030
sha1
23504a4a1203690a3f993e5abe8d56ab6f72b461
sha256
0b7a83152c3a9f128db8f6c446fc6ee7cffcc4a3a66f24c9437aac873b69171d
sha512
9f56e2aa49af2ff05f880110360d572c93d506e4a27d6a224902617f6b6864257e1bc368258f4b7e62f61fad030b183552d28815d53533f1a5e975ca58804e70
ripemd-160
4c506843233382d95da25ff5acc838fa97a6497c
Diameter
136183876
Circumference
427834264.37898
Area
1.4566032102185E+16
Volume
1.322439139744E+24
Surface area
5.8264128408739E+16
Circumference
427834264.37898
Perimeter
272367752
Area
4636512020595844
Diagonal
96296542.207868
Surface area
27819072123575064
Volume
3.1570908904267E+23
Space diagonal
117938696.20183
Perimeter
204275814
Area
2.007668597394E+15
Altitude
58969348.100915
Surface area
2.007668597394E+15
Volume
3.7206672957383E+22
Height
32098847.402623