68507988 is an even 8-digits composite number following 68507987
and preceding 68507989 . In scientific notation, it is written as 6.8507988 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 22835992 positive integers (up to 68507988) that are relatively prime to 68507988.
68507988 has 12 divisors, whose sum is 159852000
The reverse of 68507988 is 88970586
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million five hundred seven thousand nine hundred eighty-eight
Scientific notation
6.8507988 × 10^7
Engineering notation
6.8507988 × 10^6
Prime Factorization
2 × 2 × 3 × 5708999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34253994
Product of the distinct prime numbers
The prime factorization of 68507988 is 2 × 2 × 3 × 5708999.
Since it has a total of 4 prime factors.
4 , 1 , 1 , 68 , 75 , 668 , 7426 , 5826 , 39535 , 67685 , 110918 , 819185 , 8972909 , 7177016 , 97278229 , 37435144 , 497978208 , 361345321 , 7487204951 , 8737276494
n×2
137015976
n×3
205523964
n×4
274031952
n×5
342539940
n÷2
34253994
n÷3
22835996
n÷3
17126997
n÷5
13701597.6
n2
4693344419808144
n3
3.2153158319208E+23
n4
2.2027481842944E+31
n5
1.5090584617666E+39
2 √n
8276.9552372838
3 √n
409.17937784083
4 √n
90.977773314606
5 √n
36.91035673217
1 , 2 , 3 , 4 , 6 , 12 , 5708999 , 11417998 , 17126997 , 22835996 , 34253994 , 68507988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68507987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68507988 can be divided by 12 positive divisors.
The sum of these divisors (counting 68507988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101010101100101010100
3
Ternary
11202220120021220
4
Quaternary
10011111211110
5
Quinary
120014223423
6
Senary
10444210340
8
Octal
405254524
10
Decimal
68507988
12
Duodecimal
1ab399b0
16
Hexadecimal
4155954
20
Vigesimal
11839j8
36
Base36
14sd3o
md5
60dcd9abbff76be8102878ffc67b4697
sha1
6182344a47716c1bee23c258feeb0335639d53b9
sha256
7b08b1f2ab67ae43cfa6c775b66de83f64717f84f9aecc7e2b2cbb4389d0dc75
sha512
f71d32d1d32c16ddf0201e48dc3670e5ae3331ac9ce0b1a2f0df713b4108a8bff940eb6f44ea009ef90ecee13b49365f65a0b9a9c0852dec92bd9c88ae973d65
ripemd-160
dae08ed57ca79e28dfdaf85b5d9d6eb737317a4c
Diameter
137015976
Circumference
430448383.62604
Area
1.4744576350036E+16
Volume
1.3468283462045E+24
Surface area
5.8978305400144E+16
Circumference
430448383.62604
Perimeter
274031952
Area
4693344419808144
Diagonal
96884925.760493
Surface area
28160066518848864
Volume
3.2153158319208E+23
Space diagonal
118659315.94032
Perimeter
205523964
Area
2.0322777481319E+15
Altitude
59329657.970159
Surface area
2.0322777481319E+15
Volume
3.7892860473461E+22
Height
32294975.253498