68388630 is an even 8-digits composite number following 68388629
and preceding 68388631 . In scientific notation, it is written as 6.8388630 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 18130176 positive integers (up to 68388630) that are relatively prime to 68388630.
68388630 has 16 divisors, whose sum is 110062656
The reverse of 68388630 is 03688386
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million three hundred eighty-eight thousand six hundred thirty
Scientific notation
6.8388630 × 10^7
Engineering notation
6.8388630 × 10^6
Prime Factorization
2 × 15 × 173 × 13177
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68388630
Product of the distinct prime numbers
The prime factorization of 68388630 is 2 × 15 × 173 × 13177.
Since it has a total of 4 prime factors.
9 , 8 , 5 , 14 , 176 , 347 , 9120 , 9749 , 73210 , 27068 , 288235 , 791532 , 2991819 , 6128180 , 31826548 , 85663558 , 179020007 , 577394599 , 4038072745 , 9939123228
n×2
136777260
n×3
205165890
n×4
273554520
n×5
341943150
n÷2
34194315
n÷3
22796210
n÷3
17097157.5
n÷5
13677726
n2
4677004713276900
n3
3.1985394484455E+23
n4
2.1874373088014E+31
n5
1.4959584075982E+39
2 √n
8269.741833939
3 √n
408.94160886315
4 √n
90.938120906136
5 √n
36.897486350409
1 , 2 , 15 , 30 , 173 , 346 , 2595 , 5190 , 13177 , 26354 , 197655 , 395310 , 2279621 , 4559242 , 34194315 , 68388630
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
-68388629
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 68388630 can be divided by 16 positive divisors.
The sum of these divisors (counting 68388630) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100111000011100010110
3
Ternary
11202200111120020
4
Quaternary
10010320130112
5
Quinary
120001414010
6
Senary
10441450010
8
Octal
404703426
10
Decimal
68388630
12
Duodecimal
1aaa0906
16
Hexadecimal
4138716
20
Vigesimal
1178bba
36
Base36
14pt06
md5
21c56423fafe1c3eccc7cd1d7eba5a3c
sha1
91574b0a80641b5b3b5ee2b2f1187d1e804fa0e8
sha256
7f354b3adaba3cc0d272f7f69362868702a17c0561a5360a4137630b65326b03
sha512
c13595ff652d38a6f22417eb9b1dc7e93ef6c42a5d0e9db8ee0cbb9e2ef247f79028c4606b74a515c9cb2a06c3173d354b9b1ab996b6437042adc5d2d167cc32
ripemd-160
00b65fe32ce376202b389ed32fc2204f58e7e62c
Diameter
136777260
Circumference
429698435.19414
Area
1.4693243648036E+16
Volume
1.3398010711271E+24
Surface area
5.8772974592142E+16
Circumference
429698435.19414
Perimeter
273554520
Area
4677004713276900
Diagonal
96716128.058116
Surface area
28062028279661400
Volume
3.1985394484455E+23
Space diagonal
118452581.82003
Perimeter
205165890
Area
2.0252024476587E+15
Altitude
59226290.910015
Surface area
2.0252024476587E+15
Volume
3.7695148898142E+22
Height
32238709.352705