68173721 is an odd 8-digits composite number following 68173720
and preceding 68173722 . In scientific notation, it is written as 6.8173721 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 51684480 positive integers (up to 68173721) that are relatively prime to 68173721.
68173721 has 16 divisors, whose sum is 87296640
The reverse of 68173721 is 12737186
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-eight million one hundred seventy-three thousand seven hundred twenty-one
Scientific notation
6.8173721 × 10^7
Engineering notation
6.8173721 × 10^6
Prime Factorization
7 × 11 × 37 × 23929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68173721
Product of the distinct prime numbers
The prime factorization of 68173721 is 7 × 11 × 37 × 23929.
Since it has a total of 4 prime factors.
5 , 3 , 6 , 66 , 40 , 870 , 2713 , 230 , 67643 , 1267 , 170492 , 705472 , 4483056 , 6172658 , 57861971 , 71962467 , 950326550 , 710625492 , 4827365155 , 532222795
n×2
136347442
n×3
204521163
n×4
272694884
n×5
340868605
n÷2
34086860.5
n÷3
22724573.666667
n÷3
17043430.25
n÷5
13634744.2
n2
4647656234985841
n3
3.1684801946784E+23
n4
2.1600708478603E+31
n5
1.4726006732226E+39
2 √n
8256.7379151818
3 √n
408.51279756278
4 √n
90.866594055141
5 √n
36.874267320774
1 , 7 , 11 , 37 , 77 , 259 , 407 , 2849 , 23929 , 167503 , 263219 , 885373 , 1842533 , 6197611 , 9739103 , 68173721
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
-68173720
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 68173721 can be divided by 16 positive divisors.
The sum of these divisors (counting 68173721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100000011111110011001
3
Ternary
11202021120202122
4
Quaternary
10010003332121
5
Quinary
114423024341
6
Senary
10433111025
8
Octal
404037631
10
Decimal
68173721
12
Duodecimal
1a9b8475
16
Hexadecimal
4103f99
20
Vigesimal
1161e61
36
Base36
14l76h
md5
7199d8c5224e021e6eadc6fa13120893
sha1
31ae2c59d35db516714a1cf73b06feae65cdef22
sha256
86a7c919eefd701d7569aa9209af31962677ef85ee69b8a4186f3dabe5605519
sha512
909859eedcdf392ef18e1404efa9fae4dd7148f3c758e165b0eb5f4e0474864b25ea462f6cd29a0e075962bf97bbee01293c763800ff25110d3ab97154d51b8a
ripemd-160
f1ceb8fcbc2c29ad751db12db55d9f1335d8a4bb
Diameter
136347442
Circumference
428348122.12296
Area
1.4601042684242E+16
Volume
1.3272098803528E+24
Surface area
5.8404170736969E+16
Circumference
428348122.12296
Perimeter
272694884
Area
4647656234985841
Diagonal
96412200.835639
Surface area
27885937409915046
Volume
3.1684801946784E+23
Space diagonal
118080348.51303
Perimeter
204521163
Area
2.0124941837774E+15
Altitude
59040174.256513
Surface area
2.0124941837774E+15
Volume
3.7340897195206E+22
Height
32137400.278546