68091889 is an odd 8-digits composite number following 68091888
and preceding 68091890 . In scientific notation, it is written as 6.8091889 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 67901860 positive integers (up to 68091889) that are relatively prime to 68091889.
68091889 has 4 divisors, whose sum is 68281920
The reverse of 68091889 is 98819086
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million ninety-one thousand eight hundred eighty-nine
Scientific notation
6.8091889 × 10^7
Engineering notation
6.8091889 × 10^6
Prime Factorization
359 × 189671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68091889
Product of the distinct prime numbers
The prime factorization of 68091889 is 359 × 189671.
Since it has a total of 2 prime factors.
4 , 5 , 92 , 75 , 586 , 221 , 6372 , 2549 , 74896 , 70064 , 905369 , 879527 , 1445908 , 1729479 , 72638694 , 22233905 , 86501681 , 941144609 , 3893649739 , 9794461814
n×2
136183778
n×3
204275667
n×4
272367556
n×5
340459445
n÷2
34045944.5
n÷3
22697296.333333
n÷3
17022972.25
n÷5
13618377.8
n2
4636505347588321
n3
3.1570840747589E+23
n4
2.1497181838215E+31
n5
1.4637837195406E+39
2 √n
8251.7809592839
3 √n
408.34927999179
4 √n
90.839313952076
5 √n
36.865410697261
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
-68091888
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 68091889 can be divided by 4 positive divisors.
The sum of these divisors (counting 68091889) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000011101111111111110001
3
Ternary
11202010102111211
4
Quaternary
10003233333301
5
Quinary
114412420024
6
Senary
10431240121
8
Octal
403577761
10
Decimal
68091889
12
Duodecimal
1a979041
16
Hexadecimal
40efff1
20
Vigesimal
115b9e9
36
Base36
14jg1d
md5
c351beade7bf3b14798ffc4f837090cd
sha1
df33e8ec46f8405a9d10c609e7c5ece671e6d9be
sha256
cd57cc1be76798c5a17410c944fa73d7cf26011f991bfd0418baaf3d74d3a3d0
sha512
327f76bd47bede86cbe8f426a5ea0d2c55fa2106b1e9527568a6dea1342c0cc7fd46bbe21b9bc8e59b28fae7eedb242c344be8c329eb659c2dd083414aebe68b
ripemd-160
a1e389efe58740ab214be41f93c3b797928f361a
Diameter
136183778
Circumference
427833956.5029
Area
1.4566011138313E+16
Volume
1.3224362848037E+24
Surface area
5.8264044553253E+16
Circumference
427833956.5029
Perimeter
272367556
Area
4636505347588321
Diagonal
96296472.911403
Surface area
27819032085529926
Volume
3.1570840747589E+23
Space diagonal
117938611.33134
Perimeter
204275667
Area
2.0076657078969E+15
Altitude
58969305.66567
Surface area
2.0076657078969E+15
Volume
3.7206592633968E+22
Height
32098824.303801