31985429 is an odd 8-digits composite number following 31985428
and preceding 31985430 . In scientific notation, it is written as 3.1985429 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 26777520 positive integers (up to 31985429) that are relatively prime to 31985429.
31985429 has 16 divisors, whose sum is 37416960
The reverse of 31985429 is 92458913
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty-one million nine hundred eighty-five thousand four hundred twenty-nine
Scientific notation
3.1985429 × 10^7
Engineering notation
3.1985429 × 10^6
Prime Factorization
7 × 71 × 139 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31985429
Product of the distinct prime numbers
The prime factorization of 31985429 is 7 × 71 × 139 × 463.
Since it has a total of 4 prime factors.
6 , 10 , 18 , 40 , 448 , 457 , 1064 , 9754 , 1319 , 68516 , 376433 , 928818 , 2635449 , 2927985 , 49905424 , 48301333 , 915403458 , 270049934 , 1469569284 , 780408396
n×2
63970858
n×3
95956287
n×4
127941716
n×5
159927145
n÷2
15992714.5
n÷3
10661809.666667
n÷3
7996357.25
n÷5
6397085.8
n2
1023067668314041
n3
3.2723258267054E+22
n4
1.0466674539495E+30
n5
3.3478107534913E+37
2 √n
5655.5661962354
3 √n
317.43201553464
4 √n
75.203498563799
5 √n
31.694976638467
1 , 7 , 71 , 139 , 463 , 497 , 973 , 3241 , 9869 , 32873 , 64357 , 69083 , 230111 , 450499 , 4569347 , 31985429
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
-31985428
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 31985429 can be divided by 16 positive divisors.
The sum of these divisors (counting 31985429) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010000000111100010101
3
Ternary
2020012000202112
4
Quaternary
1322000330111
5
Quinary
31142013204
6
Senary
3101320405
8
Octal
172007425
10
Decimal
31985429
12
Duodecimal
a866105
16
Hexadecimal
1e80f15
20
Vigesimal
9ji3b9
36
Base36
j1k45
md5
69f40bcd3b2b051ac4980e37ea775fa2
sha1
475973e687e82c40f492fff7b46c3e8af41a8f99
sha256
4aa339fa4e086d32a75c5b229f20a31c180ffbb7dc8a93f28f5131003b8008f1
sha512
1e292fd64eb28498ee1c497189ae670a9006687fea905ce39090f6294904d294e9d876c8be876c07ccf033859f19cb48e0670c12637a4af511d257edeb4f4061
ripemd-160
48b72c8fb29f814268e2af65cf6be22ada0b1e94
Diameter
63970858
Circumference
200970377.53664
Area
3.2140618709006E+15
Volume
1.3707086369773E+23
Surface area
1.2856247483603E+16
Circumference
200970377.53664
Perimeter
127941716
Area
1023067668314041
Diagonal
45234227.490122
Surface area
6138406009884246
Volume
3.2723258267054E+22
Space diagonal
55400388.129887
Perimeter
95956287
Area
4.4300129527524E+14
Altitude
27700194.064943
Surface area
4.4300129527524E+14
Volume
3.8564729705255E+21
Height
15078075.830041