68731091 is an odd 8-digits composite number following 68731090
and preceding 68731092 . In scientific notation, it is written as 6.8731091 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 57503520 positive integers (up to 68731091) that are relatively prime to 68731091.
68731091 has 16 divisors, whose sum is 80989440
The reverse of 68731091 is 19013786
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-eight million seven hundred thirty-one thousand ninety-one
Scientific notation
6.8731091 × 10^7
Engineering notation
6.8731091 × 10^6
Prime Factorization
11 × 13 × 523 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68731091
Product of the distinct prime numbers
The prime factorization of 68731091 is 11 × 13 × 523 × 919.
Since it has a total of 4 prime factors.
5 , 3 , 71 , 93 , 833 , 963 , 9519 , 4553 , 32674 , 53861 , 469410 , 802122 , 6213679 , 2444921 , 14475453 , 6586086 , 736061050 , 977785904 , 6066889230 , 2747859510
n×2
137462182
n×3
206193273
n×4
274924364
n×5
343655455
n÷2
34365545.5
n÷3
22910363.666667
n÷3
17182772.75
n÷5
13746218.2
n2
4723962870050281
n3
3.2468312190205E+23
n4
2.2315825197614E+31
n5
1.5337910123973E+39
2 √n
8290.4216418708
3 √n
409.62307416946
4 √n
91.051752546949
5 √n
36.93436591849
1 , 11 , 13 , 143 , 523 , 919 , 5753 , 6799 , 10109 , 11947 , 74789 , 131417 , 480637 , 5287007 , 6248281 , 68731091
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
-68731090
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 68731091 can be divided by 16 positive divisors.
The sum of these divisors (counting 68731091) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110001100000011010011
3
Ternary
11210022220022222
4
Quaternary
10012030003103
5
Quinary
120043343331
6
Senary
10453051255
8
Octal
406140323
10
Decimal
68731091
12
Duodecimal
1b026b2b
16
Hexadecimal
418c0d3
20
Vigesimal
119b7eb
36
Base36
14x58z
md5
0263acb29c025119cf5c851d0917c784
sha1
3881a79fcee6d8ff2d8c14c9ce77a1677ff8e36b
sha256
6006222652ea741610b6e38349c896ddf780e47e85dd5e77f4654880362fde68
sha512
9d2f9ab10d7568ea6097edbbce98b09fb21ace5c0b647094e42ccf4f78ec93947a42d276f9c092a8fe91740521259fc6707103f2ae901f9064e43f1a7b3546e8
ripemd-160
fb98f31f7f068591fdac2f9712e43f41d4a14ceb
Diameter
137462182
Circumference
431850181.11762
Area
1.4840767048381E+16
Volume
1.3600294806828E+24
Surface area
5.9363068193524E+16
Circumference
431850181.11762
Perimeter
274924364
Area
4723962870050281
Diagonal
97200441.048899
Surface area
28343777220301686
Volume
3.2468312190205E+23
Space diagonal
119045741.67164
Perimeter
206193273
Area
2.045535925999E+15
Altitude
59522870.83582
Surface area
2.045535925999E+15
Volume
3.8264272872293E+22
Height
32400147.0163