68097781 is an odd 8-digits composite number following 68097780
and preceding 68097782 . In scientific notation, it is written as 6.8097781 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 67561452 positive integers (up to 68097781) that are relatively prime to 68097781.
68097781 has 4 divisors, whose sum is 68634112
The reverse of 68097781 is 18779086
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-eight million ninety-seven thousand seven hundred eighty-one
Scientific notation
6.8097781 × 10^7
Engineering notation
6.8097781 × 10^6
Prime Factorization
127 × 536203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68097781
Product of the distinct prime numbers
The prime factorization of 68097781 is 127 × 536203.
Since it has a total of 2 prime factors.
9 , 4 , 88 , 56 , 144 , 590 , 1333 , 1490 , 32376 , 38932 , 306464 , 56177 , 1253587 , 2417304 , 34305075 , 97860909 , 995293314 , 312481725 , 9376646819 , 5058005725
n×2
136195562
n×3
204293343
n×4
272391124
n×5
340488905
n÷2
34048890.5
n÷3
22699260.333333
n÷3
17024445.25
n÷5
13619556.2
n2
4637307777123961
n3
3.1579036943618E+23
n4
2.1504623419774E+31
n5
1.4644171361273E+39
2 √n
8252.1379654002
3 √n
408.36105782416
4 √n
90.841278972724
5 √n
36.866048668935
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
-68097780
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 68097781 can be divided by 4 positive divisors.
The sum of these divisors (counting 68097781) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000011110001011011110101
3
Ternary
11202010201121001
4
Quaternary
10003301123311
5
Quinary
114413112111
6
Senary
10431323301
8
Octal
403613365
10
Decimal
68097781
12
Duodecimal
1a980531
16
Hexadecimal
40f16f5
20
Vigesimal
115c491
36
Base36
14jkl1
md5
7553a65b228d21b5ba89cafecbb17213
sha1
107ddac4c061b6d2d4263204b2036cbe4ee2a37c
sha256
45b47feeceb409704e8d1284f0b7681bd1346e6084540a4fe82cad601fc72031
sha512
92efe65fed92c4b5d356a42b23b509cb79fe9bf4813724ea8c33677051f230e282d610d40521d52ee78f7a1882a3df70f688c43f0b5807b2b2f0bf6a6cf655a3
ripemd-160
8dec0070a01421a2d1ee9132d09e2c75abbdd0c7
Diameter
136195562
Circumference
427870977.03073
Area
1.4568532045047E+16
Volume
1.3227796062602E+24
Surface area
5.827412818019E+16
Circumference
427870977.03073
Perimeter
272391124
Area
4637307777123961
Diagonal
96304805.457713
Surface area
27823846662743766
Volume
3.1579036943618E+23
Space diagonal
117948816.5747
Perimeter
204293343
Area
2.0080131700782E+15
Altitude
58974408.287349
Surface area
2.0080131700782E+15
Volume
3.7216251943622E+22
Height
32101601.819238