68821490 is an even 8-digits composite number following 68821489
and preceding 68821491 . In scientific notation, it is written as 6.8821490 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 27528592 positive integers (up to 68821490) that are relatively prime to 68821490.
68821490 has 8 divisors, whose sum is 123878700
The reverse of 68821490 is 09412886
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million eight hundred twenty-one thousand four hundred ninety
Scientific notation
6.8821490 × 10^7
Engineering notation
6.8821490 × 10^6
Prime Factorization
2 × 5 × 6882149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68821490
Product of the distinct prime numbers
The prime factorization of 68821490 is 2 × 5 × 6882149.
Since it has a total of 3 prime factors.
4 , 2 , 46 , 9 , 321 , 955 , 5778 , 611 , 539 , 2779 , 23842 , 995607 , 9075656 , 2891819 , 45602791 , 91050680 , 39753124 , 557624525 , 1117064415 , 3227950160
n×2
137642980
n×3
206464470
n×4
275285960
n×5
344107450
n÷2
34410745
n÷3
22940496.666667
n÷3
17205372.5
n÷5
13764298
n2
4736397485820100
n3
3.2596593220639E+23
n4
2.2433461143683E+31
n5
1.5439042217654E+39
2 √n
8295.8718649699
3 √n
409.80258193497
4 √n
91.081676889317
5 √n
36.944076442546
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68821489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68821490 can be divided by 8 positive divisors.
The sum of these divisors (counting 68821490) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110100010000111110010
3
Ternary
11210111111100002
4
Quaternary
10012202013302
5
Quinary
120104241430
6
Senary
10455030002
8
Octal
406420762
10
Decimal
68821490
12
Duodecimal
1b06b302
16
Hexadecimal
41a21f2
20
Vigesimal
11a2dea
36
Base36
14z302
md5
282f3a54e5275c7db76da3fa69d197e4
sha1
e69025d4b79036f6d3e6cdcf85327ec3495562cf
sha256
21b919aa13ccbd00ca441362146a568b507888b31df1d40df8637c3ba2a44dd6
sha512
9d900704422a66f31d68a4649b100a1e0bafbe8f0622c83cc3992fb6e2d2b38be7d2d8f12f5acd3f4aea97875a142369acae9385d8d3a76ff953594d5b2a6372
ripemd-160
ea934c1be732ee5d5c940829cb35f8cc1cacb5a1
Diameter
137642980
Circumference
432418174.78621
Area
1.4879831545934E+16
Volume
1.3654029039202E+24
Surface area
5.9519326183734E+16
Circumference
432418174.78621
Perimeter
275285960
Area
4736397485820100
Diagonal
97328284.540724
Surface area
28418384914920600
Volume
3.2596593220639E+23
Space diagonal
119202317.33259
Perimeter
206464470
Area
2.0509202725705E+15
Altitude
59601158.666297
Surface area
2.0509202725705E+15
Volume
3.8415453516489E+22
Height
32442761.513575