68680972 is an even 8-digits composite number following 68680971
and preceding 68680973 . In scientific notation, it is written as 6.8680972 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 18 positive divisors.
There are 32532408 positive integers (up to 68680972) that are relatively prime to 68680972.
68680972 has 18 divisors, whose sum is 126853188
The reverse of 68680972 is 27908686
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-eight million six hundred eighty thousand nine hundred seventy-two
Scientific notation
6.8680972 × 10^7
Engineering notation
6.8680972 × 10^6
Prime Factorization
2 × 2 × 19 × 19 × 47563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1807394
Product of the distinct prime numbers
The prime factorization of 68680972 is 2 × 2 × 19 × 19 × 47563.
Since it has a total of 5 prime factors.
9 , 1 , 14 , 15 , 28 , 990 , 3689 , 5523 , 52731 , 15789 , 328848 , 970094 , 1852073 , 9219871 , 57097632 , 3595298 , 634846621 , 255427394 , 7879722967 , 7265647386
n×2
137361944
n×3
206042916
n×4
274723888
n×5
343404860
n÷2
34340486
n÷3
22893657.333333
n÷3
17170243
n÷5
13736194.4
n2
4717075914864784
n3
3.239733588307E+23
n4
2.2250805186597E+31
n5
1.5282069279982E+39
2 √n
8287.3983855007
3 √n
409.52348367002
4 √n
91.035149176023
5 √n
36.928977807721
1 , 2 , 4 , 19 , 38 , 76 , 361 , 722 , 1444 , 47563 , 95126 , 190252 , 903697 , 1807394 , 3614788 , 17170243 , 34340486 , 68680972
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68680971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68680972 can be divided by 18 positive divisors.
The sum of these divisors (counting 68680972) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100000101111111110100001100
3
Ternary
11210020100120201
4
Quaternary
10011333310030
5
Quinary
120040242342
6
Senary
10452023244
8
Octal
405776414
10
Decimal
68680972
12
Duodecimal
1b001b24
16
Hexadecimal
417fd0c
20
Vigesimal
119528c
36
Base36
14w2ks
md5
c75c7351af0efc55d0f3c01b00b1d696
sha1
749a0bcecd43c406d97c7b2cf3628c8e2e77dfd4
sha256
a1bdce2a8f60deb2de093006e00259c7ad982df0be388463b180a214973dbd54
sha512
35b47287a2ac84c6cfeb9bf7e56995cc52769a0c5844f0378b0ca463adf1086615ddad5dffa8a0be8ed5bfce1abe45f94ce45db1ccdd8061566c02617f227e20
ripemd-160
85c49ccefea09f3756cd03626c6cac96814c2efc
Diameter
137361944
Circumference
431535274.15321
Area
1.4819131040565E+16
Volume
1.3570564320818E+24
Surface area
5.9276524162258E+16
Circumference
431535274.15321
Perimeter
274723888
Area
4717075914864784
Diagonal
97129562.079367
Surface area
28302455489188704
Volume
3.239733588307E+23
Space diagonal
118958933.01722
Perimeter
206042916
Area
2.0425537869263E+15
Altitude
59479466.508608
Surface area
2.0425537869263E+15
Volume
3.8180626492162E+22
Height
32376520.693122