68338081 is an odd 8-digits composite number following 68338080
and preceding 68338082 . In scientific notation, it is written as 6.8338081 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 57442320 positive integers (up to 68338081) that are relatively prime to 68338081.
68338081 has 16 divisors, whose sum is 79626240
The reverse of 68338081 is 18083386
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-eight million three hundred thirty-eight thousand eighty-one
Scientific notation
6.8338081 × 10^7
Engineering notation
6.8338081 × 10^6
Prime Factorization
7 × 79 × 191 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68338081
Product of the distinct prime numbers
The prime factorization of 68338081 is 7 × 79 × 191 × 647.
Since it has a total of 4 prime factors.
3 , 1 , 52 , 85 , 140 , 250 , 5080 , 4224 , 99917 , 41257 , 379499 , 385958 , 5254078 , 17158 , 97991963 , 61198342 , 218181606 , 443769881 , 7420855330 , 8977753020
n×2
136676162
n×3
205014243
n×4
273352324
n×5
341690405
n÷2
34169040.5
n÷3
22779360.333333
n÷3
17084520.25
n÷5
13667616.2
n2
4670093314762561
n3
3.191452152218E+23
n4
2.180977156859E+31
n5
1.4904379360458E+39
2 √n
8266.6850067001
3 √n
408.84082854062
4 √n
90.92131216992
5 √n
36.892030230811
1 , 7 , 79 , 191 , 553 , 647 , 1337 , 4529 , 15089 , 51113 , 105623 , 123577 , 357791 , 865039 , 9762583 , 68338081
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
-68338080
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 68338081 can be divided by 16 positive divisors.
The sum of these divisors (counting 68338081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100101100000110100001
3
Ternary
11202120221020001
4
Quaternary
10010230012201
5
Quinary
114443304311
6
Senary
10440420001
8
Octal
404540641
10
Decimal
68338081
12
Duodecimal
1aa77601
16
Hexadecimal
412c1a1
20
Vigesimal
1172541
36
Base36
14oq01
md5
912887bc264e76962c348c88b7731c37
sha1
0c4b2384afe2b5a701d890c3c3fa76de1773cf8d
sha256
d77de874daa6636459158ef763a80443d069e4957d7a39506a81a7186b5c2a1d
sha512
aa9e0990db9bad4790a3e54f41521752b4e957fceddb6654622dc429de778410c4a7c31d68ce35b27cb1f4dbf7576e77a8686174d6bf124b10863191ead094c6
ripemd-160
55b1f1b3cb9c681e7857afd718b3b07e1e564093
Diameter
136676162
Circumference
429380826.46005
Area
1.4671530849237E+16
Volume
1.3368323514255E+24
Surface area
5.8686123396947E+16
Circumference
429380826.46005
Perimeter
273352324
Area
4670093314762561
Diagonal
96644640.976751
Surface area
28020559888575366
Volume
3.191452152218E+23
Space diagonal
118365028.38376
Perimeter
205014243
Area
2.0222097243141E+15
Altitude
59182514.191879
Surface area
2.0222097243141E+15
Volume
3.7611624311096E+22
Height
32214880.325584