68091880 is an even 8-digits composite number following 68091879
and preceding 68091881 . In scientific notation, it is written as 6.8091880 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 27173440 positive integers (up to 68091880) that are relatively prime to 68091880.
68091880 has 32 divisors, whose sum is 153563040
The reverse of 68091880 is 08819086
Previous prime number is 3467
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million ninety-one thousand eight hundred eighty
Scientific notation
6.8091880 × 10^7
Engineering notation
6.8091880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 3467 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17022970
Product of the distinct prime numbers
The prime factorization of 68091880 is 2 × 2 × 2 × 5 × 3467 × 491.
Since it has a total of 6 prime factors.
8 , 8 , 10 , 70 , 994 , 496 , 9407 , 213 , 3919 , 20961 , 456349 , 169944 , 1401545 , 849428 , 7528141 , 77694274 , 834014837 , 835357624 , 9839785070 , 7699396724
n×2
136183760
n×3
204275640
n×4
272367520
n×5
340459400
n÷2
34045940
n÷3
22697293.333333
n÷3
17022970
n÷5
13618376
n2
4636504121934400
n3
3.1570828229026E+23
n4
2.1497170472715E+31
n5
1.4637827521676E+39
2 √n
8251.780413947
3 √n
408.34926200069
4 √n
90.83931095042
5 √n
36.865409722728
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 491 , 982 , 1964 , 2455 , 3467 , 3928 , 4910 , 6934 , 9820 , 13868 , 17335 , 19640 , 27736 , 34670 , 69340 , 138680 , 1702297 , 3404594 , 6809188 , 8511485 , 13618376 , 17022970 , 34045940 , 68091880
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
-68091879
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 68091880 can be divided by 32 positive divisors.
The sum of these divisors (counting 68091880) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000011101111111111101000
3
Ternary
11202010102111111
4
Quaternary
10003233333220
5
Quinary
114412420010
6
Senary
10431240104
8
Octal
403577750
10
Decimal
68091880
12
Duodecimal
1a979034
16
Hexadecimal
40effe8
20
Vigesimal
115b9e0
36
Base36
14jg14
md5
2cdecf77de03527562bffb50d2f3a5b4
sha1
a45bfc848760c832496a08999e421dc211cd9041
sha256
af07a5bf87d2fa901effefa26035483d1a6e357e5bb168c2006738c034b0f691
sha512
f7288742dc2dc60f734c99bc8e4f41120ff253df8fa85237f7d6c77195dc1d935ba80971533fcd80843464ed5b8c197805904b695d02624d0d13ea87cd11318e
ripemd-160
01a95ed7d4c9988024ccc2a0b599566483eca8b4
Diameter
136183760
Circumference
427833899.95424
Area
1.4566007287808E+16
Volume
1.3224357604274E+24
Surface area
5.8264029151232E+16
Circumference
427833899.95424
Perimeter
272367520
Area
4636504121934400
Diagonal
96296460.183481
Surface area
27819024731606400
Volume
3.1570828229026E+23
Space diagonal
117938595.74288
Perimeter
204275640
Area
2.0076651771732E+15
Altitude
58969297.871442
Surface area
2.0076651771732E+15
Volume
3.72065778807E+22
Height
32098820.06116