68161851 is an odd 8-digits composite number following 68161850
and preceding 68161852 . In scientific notation, it is written as 6.8161851 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 45355464 positive integers (up to 68161851) that are relatively prime to 68161851.
68161851 has 16 divisors, whose sum is 101171200
The reverse of 68161851 is 15816186
Previous prime number is 607
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million one hundred sixty-one thousand eight hundred fifty-one
Scientific notation
6.8161851 × 10^7
Engineering notation
6.8161851 × 10^6
Prime Factorization
3 × 9 × 607 × 4159
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68161851
Product of the distinct prime numbers
The prime factorization of 68161851 is 3 × 9 × 607 × 4159.
Since it has a total of 4 prime factors.
1 , 10 , 80 , 90 , 796 , 829 , 1878 , 6591 , 23338 , 44306 , 505516 , 882247 , 3666684 , 9442474 , 92155311 , 52506019 , 222419504 , 354441206 , 5264668132 , 8399243040
n×2
136323702
n×3
204485553
n×4
272647404
n×5
340809255
n÷2
34080925.5
n÷3
22720617
n÷3
17040462.75
n÷5
13632370.2
n2
4646037931746201
n3
3.1668254524403E+23
n4
2.1585668463225E+31
n5
1.4713191175257E+39
2 √n
8256.0190770128
3 √n
408.48908691938
4 √n
90.862638510077
5 √n
36.872983166019
1 , 3 , 9 , 27 , 607 , 1821 , 4159 , 5463 , 12477 , 16389 , 37431 , 112293 , 2524513 , 7573539 , 22720617 , 68161851
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
-68161850
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 68161851 can be divided by 16 positive divisors.
The sum of these divisors (counting 68161851) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100000001000100111011
3
Ternary
11202020222111000
4
Quaternary
10010001010323
5
Quinary
114422134401
6
Senary
10432540043
8
Octal
404010473
10
Decimal
68161851
12
Duodecimal
1a9b1623
16
Hexadecimal
410113b
20
Vigesimal
11604cb
36
Base36
14ky0r
md5
91475633f546b3611f1cfe4a162aa580
sha1
0c37859e5183580006eb3cc5863360959284b993
sha256
749ff04039e331dd09acf765a4d943fdd5748a8307610f581ec9bccf29716095
sha512
6f61cda75a102d0c0418a212600c89cf96be66b5d5a56c66664f89155b37d06370aa68ae78f915833f1cf07587555f28f8fefc34eb0b8ce73180b54aea62fac6
ripemd-160
e1d9eb1c409a287f158063016e0e2e4eebdbf844
Diameter
136323702
Circumference
428273540.71336
Area
1.4595958634673E+16
Volume
1.326516743545E+24
Surface area
5.8383834538694E+16
Circumference
428273540.71336
Perimeter
272647404
Area
4646037931746201
Diagonal
96395414.120654
Surface area
27876227590477206
Volume
3.1668254524403E+23
Space diagonal
118059789.06994
Perimeter
204485553
Area
2.0117934379192E+15
Altitude
59029894.53497
Surface area
2.0117934379192E+15
Volume
3.7321395870912E+22
Height
32131804.706885