68821431 is an odd 8-digits composite number following 68821430
and preceding 68821432 . In scientific notation, it is written as 6.8821431 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 39326448 positive integers (up to 68821431) that are relatively prime to 68821431.
68821431 has 8 divisors, whose sum is 93634800
The reverse of 68821431 is 13412886
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-eight million eight hundred twenty-one thousand four hundred thirty-one
Scientific notation
6.8821431 × 10^7
Engineering notation
6.8821431 × 10^6
Prime Factorization
3 × 49 × 468173
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68821431
Product of the distinct prime numbers
The prime factorization of 68821431 is 3 × 49 × 468173.
Since it has a total of 3 prime factors.
8 , 6 , 20 , 75 , 664 , 152 , 1136 , 7047 , 35009 , 32386 , 99048 , 770348 , 3402555 , 9664468 , 41933536 , 52590146 , 394312902 , 66008081 , 9018340867 , 5510545424
n×2
137642862
n×3
206464293
n×4
275285724
n×5
344107155
n÷2
34410715.5
n÷3
22940477
n÷3
17205357.75
n÷5
13764286.2
n2
4736389364887761
n3
3.2596509386476E+23
n4
2.2433384215822E+31
n5
1.5438976039057E+39
2 √n
8295.8683089837
3 √n
409.80246482834
4 √n
91.08165736845
5 √n
36.944070108184
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
-68821430
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 68821431 can be divided by 8 positive divisors.
The sum of these divisors (counting 68821431) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110100010000110110111
3
Ternary
11210111111020220
4
Quaternary
10012202012313
5
Quinary
120104241211
6
Senary
10455025423
8
Octal
406420667
10
Decimal
68821431
12
Duodecimal
1b06b273
16
Hexadecimal
41a21b7
20
Vigesimal
11a2dbb
36
Base36
14z2yf
md5
3a9933a98c2cbc7471370e4c60beff61
sha1
654e0e9ba77e7bc46a640932d6b7f29af0f29510
sha256
e00890382cc5044e0dc1b31df2eb1dee8f1ae878dad0eb2451e5d8b54ef71ee8
sha512
2bc53eb102b8d89bbe3fe712cdfcff394fd4b8f6fed67dc142f7df825adc29d5f35b37532e32eae020af1f43aab30bc360b29e11d7971614974882279b4b505d
ripemd-160
17bcf415a9e978a0d1ab9b1aafe7f6281c5ea348
Diameter
137642862
Circumference
432417804.07827
Area
1.4879806033272E+16
Volume
1.365399392283E+24
Surface area
5.9519224133089E+16
Circumference
432417804.07827
Perimeter
275285724
Area
4736389364887761
Diagonal
97328201.102124
Surface area
28418336189326566
Volume
3.2596509386476E+23
Space diagonal
119202215.1416
Perimeter
206464293
Area
2.0509167561036E+15
Altitude
59601107.570798
Surface area
2.0509167561036E+15
Volume
3.841535471698E+22
Height
32442733.700708