31006868 is an even 8-digits composite number following 31006867
and preceding 31006869 . In scientific notation, it is written as 3.1006868 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 15307032 positive integers (up to 31006868) that are relatively prime to 31006868.
31006868 has 12 divisors, whose sum is 54949440
The reverse of 31006868 is 86860013
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million six thousand eight hundred sixty-eight
Scientific notation
3.1006868 × 10^7
Engineering notation
3.1006868 × 10^6
Prime Factorization
2 × 2 × 79 × 98123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15503434
Product of the distinct prime numbers
The prime factorization of 31006868 is 2 × 2 × 79 × 98123.
Since it has a total of 4 prime factors.
4 , 9 , 63 , 6 , 171 , 159 , 1272 , 8045 , 48680 , 24104 , 418164 , 195297 , 1006116 , 7396105 , 84232836 , 15614231 , 732213822 , 428510011 , 9674809768 , 6617596593
n×2
62013736
n×3
93020604
n×4
124027472
n×5
155034340
n÷2
15503434
n÷3
10335622.666667
n÷3
7751717
n÷5
6201373.6
n2
961425863169424
n3
2.981080483108E+22
n4
9.2433969037107E+29
n5
2.8660878766497E+37
2 √n
5568.3810932802
3 √n
314.16126245335
4 √n
74.621585974034
5 √n
31.498623840046
1 , 2 , 4 , 79 , 158 , 316 , 98123 , 196246 , 392492 , 7751717 , 15503434 , 31006868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31006867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31006868 can be divided by 12 positive divisors.
The sum of these divisors (counting 31006868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010010000010010100
3
Ternary
2011100022102112
4
Quaternary
1312102002110
5
Quinary
30414204433
6
Senary
3024330152
8
Octal
166220224
10
Decimal
31006868
12
Duodecimal
a473958
16
Hexadecimal
1d92094
20
Vigesimal
9dfh38
36
Base36
igl1w
md5
20a33ac8949912615f708f6bf50361be
sha1
90630d7b376cfc8e5297c7a639ddad3cf4fc4504
sha256
892d774b4b7e563b828c834d8585c93e0275ff4b1bc683ce2fe8d3f992299eb0
sha512
2ae69a7e70625335f2c8972222987532ce5b6c7a137b6d0295afadde0bebdaaa97b3680f656497d029f3734c07aea5536dc7b09497e031c9f1d7d362bd90887d
ripemd-160
c14b0dbcef2480761cfdb0a10de047e647afd8bc
Diameter
62013736
Circumference
194821897.43926
Area
3.0204084287043E+15
Volume
1.2487120727323E+23
Surface area
1.2081633714817E+16
Circumference
194821897.43926
Perimeter
124027472
Area
961425863169424
Diagonal
43850333.252312
Surface area
5768555179016544
Volume
2.981080483108E+22
Space diagonal
53705470.759582
Perimeter
93020604
Area
4.1630961068005E+14
Altitude
26852735.379791
Surface area
4.1630961068005E+14
Volume
3.5132370414476E+21
Height
14616777.750771