68405087 is an odd 8-digits composite number following 68405086
and preceding 68405088 . In scientific notation, it is written as 6.8405087 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 68382936 positive integers (up to 68405087) that are relatively prime to 68405087.
68405087 has 4 divisors, whose sum is 68427240
The reverse of 68405087 is 78050486
Previous prime number is 3709
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million four hundred five thousand eighty-seven
Scientific notation
6.8405087 × 10^7
Engineering notation
6.8405087 × 10^6
Prime Factorization
3709 × 18443
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68405087
Product of the distinct prime numbers
The prime factorization of 68405087 is 3709 × 18443.
Since it has a total of 2 prime factors.
10 , 4 , 19 , 88 , 145 , 958 , 8906 , 5016 , 7061 , 11290 , 626359 , 13276 , 5339138 , 3929110 , 93291903 , 80024268 , 525295161 , 513984601 , 3439822014 , 5582803039
n×2
136810174
n×3
205215261
n×4
273620348
n×5
342025435
n÷2
34202543.5
n÷3
22801695.666667
n÷3
17101271.75
n÷5
13681017.4
n2
4679255927477569
n3
3.2008490881437E+23
n4
2.1895436034834E+31
n5
1.4977592068658E+39
2 √n
8270.73678701
3 √n
408.97440872233
4 √n
90.943591236601
5 √n
36.899261977418
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68405086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68405087 can be divided by 4 positive divisors.
The sum of these divisors (counting 68405087) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000100111100011101011111
3
Ternary
11202201100010202
4
Quaternary
10010330131133
5
Quinary
120002430322
6
Senary
10442054115
8
Octal
404743537
10
Decimal
68405087
12
Duodecimal
1aaaa33b
16
Hexadecimal
413c75f
20
Vigesimal
117ace7
36
Base36
14q5pb
md5
9f2ad7f620e137630e2a879bf351e6c9
sha1
43d08a9b3e06f98ef5f820b1b23d37606c7278e8
sha256
6d549a46f18f8d6b8f75444f52d246a7e82f692634973eb0b5a2961125107b47
sha512
1344af5dd9a150327ce249443ddf2904b28b00791365b99691e0957dc4241b4437d284cfa1d5be6b4b2bb63b89a5a6e9a97a6b01308de52d0fd2fb4e72a8321f
ripemd-160
99b301f27da3905b0f172ae58f0d0d2e4a9f444a
Diameter
136810174
Circumference
429801837.57474
Area
1.470031604603E+16
Volume
1.3407685307416E+24
Surface area
5.880126418412E+16
Circumference
429801837.57474
Perimeter
273620348
Area
4679255927477569
Diagonal
96739401.770711
Surface area
28075535564865414
Volume
3.2008490881437E+23
Space diagonal
118481086.18017
Perimeter
205215261
Area
2.0261772520022E+15
Altitude
59240543.090085
Surface area
2.0261772520022E+15
Volume
3.772236826302E+22
Height
32246467.256904