68993840 is an even 8-digits composite number following 68993839
and preceding 68993841 . In scientific notation, it is written as 6.8993840 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 27597504 positive integers (up to 68993840) that are relatively prime to 68993840.
68993840 has 20 divisors, whose sum is 160410864
The reverse of 68993840 is 04839986
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-eight million nine hundred ninety-three thousand eight hundred forty
Scientific notation
6.8993840 × 10^7
Engineering notation
6.8993840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 862423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8624230
Product of the distinct prime numbers
The prime factorization of 68993840 is 2 × 2 × 2 × 2 × 5 × 862423.
Since it has a total of 6 prime factors.
4 , 9 , 85 , 97 , 205 , 19 , 2682 , 3637 , 84976 , 62599 , 758603 , 292451 , 9910806 , 1765620 , 95798883 , 54657374 , 400371401 , 936454719 , 1005490678 , 811007178
n×2
137987680
n×3
206981520
n×4
275975360
n×5
344969200
n÷2
34496920
n÷3
22997946.666667
n÷3
17248460
n÷5
13798768
n2
4760149957945600
n3
3.2842102457451E+23
n4
2.2659027622129E+31
n5
1.5633333263168E+39
2 √n
8306.2530662146
3 √n
410.14438698085
4 √n
91.138647489496
5 √n
36.962561781547
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 862423 , 1724846 , 3449692 , 4312115 , 6899384 , 8624230 , 13798768 , 17248460 , 34496920 , 68993840
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68993839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68993840 can be divided by 20 positive divisors.
The sum of these divisors (counting 68993840) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000111001100001100110000
3
Ternary
11210211020202102
4
Quaternary
10013030030300
5
Quinary
120130300330
6
Senary
10502435532
8
Octal
407141460
10
Decimal
68993840
12
Duodecimal
1b132ba8
16
Hexadecimal
41cc330
20
Vigesimal
11b44c0
36
Base36
152rzk
md5
c0ee88f83db6df6d00b92e71db3a8f86
sha1
5b174580cad166588424ee2a06177f19a70c145b
sha256
4700c76db4db878478bb4756fc0ee1957879ab9249e2f578a3ffa29f4230c670
sha512
d0529bf77cd0065bb6bbb843313b731ce3c3c90e5708cc4b8583158c1f99ad22ae673b588cd933e065ed18f6ce0d8c7927b66fd4bb2c0f6fc9ec43ed7fd5c0b8
ripemd-160
7dbfdacf18d8327a103ca2e6d3660771a3b0d74d
Diameter
137987680
Circumference
433501081.7739
Area
1.4954452137868E+16
Volume
1.3756867707836E+24
Surface area
5.9817808551471E+16
Circumference
433501081.7739
Perimeter
275975360
Area
4760149957945600
Diagonal
97572024.248199
Surface area
28560899747673600
Volume
3.2842102457451E+23
Space diagonal
119500836.28928
Perimeter
206981520
Area
2.0612053947022E+15
Altitude
59750418.144639
Surface area
2.0612053947022E+15
Volume
3.8704788926811E+22
Height
32524008.082733