68126989 is an odd 8-digits composite number following 68126988
and preceding 68126990 . In scientific notation, it is written as 6.8126989 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 52913520 positive integers (up to 68126989) that are relatively prime to 68126989.
68126989 has 16 divisors, whose sum is 85524480
The reverse of 68126989 is 98962186
Previous prime number is 19
Is Prime? no Number parity odd Number length 8 Sum of Digits 49 Digital Root 4
Name
sixty-eight million one hundred twenty-six thousand nine hundred eighty-nine
Scientific notation
6.8126989 × 10^7
Engineering notation
6.8126989 × 10^6
Prime Factorization
7 × 23 × 19 × 22271
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
68126989 Product of the distinct prime numbers
The prime factorization of 68126989 is 7 × 23 × 19 × 22271.
Since it has a total of 4 prime factors.
1 , 10 , 91 , 75 , 218 , 174 , 7535 , 2308 , 31264 , 1276 , 798354 , 397679 , 7539850 , 7321626 , 65650957 , 85497201 , 596046845 , 292076150 , 456483200 , 657630937
n×2
136253978
n×3
204380967
n×4
272507956
n×5
340634945
n÷2
34063494.5
n÷3
22708996.333333
n÷3
17031747.25
n÷5
13625397.8
n2
4641286630206121
n3
3.161968832019E+23
n4
2.154154158373E+31
n5
1.4675603665178E+39
2 √n8253.9074988759
3 √n408.41943322071
4 √n90.851018149914
5 √n36.869210589464
1 , 7 , 19 , 23 , 133 , 161 , 437 , 3059 , 22271 , 155897 , 423149 , 512233 , 2962043 , 3585631 , 9732427 , 68126989
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-68126988 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68126989 can be divided by 16 positive divisors.
The sum of these divisors (counting 68126989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000011111000100100001101
3
Ternary
11202012012122211
4
Quaternary
10003320210031
5
Quinary
114420030424
6
Senary
10432110421
8
Octal
403704415
10
Decimal
68126989
12
Duodecimal
1a995411
16
Hexadecimal
40f890d
20
Vigesimal
115fh99
36
Base36
14k74d
md5
8577c2c3f86e7dd5d7f57a16d9bc9851
sha1
64a9a4595728b4e91f75f55b4edd958237baf4a9
sha256
d2765cc1e67efc7352c88f1b1ea3b69858c8920ed3e735350d3b615fe2257689
sha512
f3abfa3b2e1e36675a06fc9610fc5ef616e318744c2427b66760ca06010b9ed529756fb0fd5192bf39e30034a80acd6c2434449a5215c1d99f143b6035b4bd84
ripemd-160
d198b6aeb880f01646fbe92878e62bd042bb93f5
Diameter
136253978
Circumference
428054496.30719
Area
1.458103198066E+16
Volume
1.3244824071401E+24
Surface area
5.832412792264E+16
Circumference
428054496.30719
Perimeter
272507956
Area
4641286630206121
Diagonal
96346111.807443
Surface area
27847719781236726
Volume
3.161968832019E+23
Space diagonal
117999406.31469
Perimeter
204380967
Area
2.0097360640018E+15
Altitude
58999703.157343
Surface area
2.0097360640018E+15
Volume
3.7264160050352E+22
Height
32115370.602481