68126987 is an odd 8-digits prime number following 68126986
and preceding 68126988 . In scientific notation, it is written as 6.8126987 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 68126986 positive integers (up to 68126987) that are relatively prime to 68126987.
68126987 has 2 divisors, whose sum is 68126988
The reverse of 68126987 is 78962186
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
sixty-eight million one hundred twenty-six thousand nine hundred eighty-seven
Scientific notation
6.8126987 × 10^7
Engineering notation
6.8126987 × 10^6
Prime Factorization
68126987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
68126987 Product of the distinct prime numbers
The prime factorization of 68126987 is 68126987.
Since it has a total of 1 prime factors.
6 , 1 , 56 , 10 , 508 , 486 , 878 , 2671 , 30222 , 47611 , 229162 , 931294 , 1994615 , 9156617 , 54877530 , 76385346 , 373686989 , 957459094 , 9868511921 , 1168680913
n×2
136253974
n×3
204380961
n×4
272507948
n×5
340634935
n÷2
34063493.5
n÷3
22708995.666667
n÷3
17031746.75
n÷5
13625397.4
n2
4641286357698169
n3
3.1619685535418E+23
n4
2.1541539054155E+31
n5
1.4675601511024E+39
2 √n8253.9073777212
3 √n408.41942922406
4 √n90.851017483136
5 √n36.86921037299
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
68126988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
34063494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8253.9074382985 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999706431 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68126987 can be divided by 2 positive divisors.
The sum of these divisors (counting 68126987) is 68126988, the average is 34063494.
Base
System
Value
2
Binary
100000011111000100100001011
3
Ternary
11202012012122202
4
Quaternary
10003320210023
5
Quinary
114420030422
6
Senary
10432110415
8
Octal
403704413
10
Decimal
68126987
12
Duodecimal
1a99540b
16
Hexadecimal
40f890b
20
Vigesimal
115fh97
36
Base36
14k74b
md5
db6b682830efb46f237691d4b0454175
sha1
be0b96a28d6594139e8ead84a1087be9ed248314
sha256
0a6d48c87e541ff394f16a7a4ff0c782e07cf3f2f91216579e665e960214be57
sha512
038a63a89ab6c8c661956102bb177025b10638652717b111f8004aaaa75d6fbf33b8a66e52eda83bfc3fd301bda4435a9a0a24832c8c266e94f18c098c9d2ea3
ripemd-160
4eab599bd53bd0b44dcb8e7f2604d677400e57df
Diameter
136253974
Circumference
428054483.74081
Area
1.4581031124551E+16
Volume
1.3244822904919E+24
Surface area
5.8324124498204E+16
Circumference
428054483.74081
Perimeter
272507948
Area
4641286357698169
Diagonal
96346108.979016
Surface area
27847718146189014
Volume
3.1619685535418E+23
Space diagonal
117999402.85058
Perimeter
204380961
Area
2.0097359460024E+15
Altitude
58999701.425292
Surface area
2.0097359460024E+15
Volume
3.7264156768467E+22
Height
32115369.659672