31492971 is an odd 8-digits composite number following 31492970
and preceding 31492972 . In scientific notation, it is written as 3.1492971 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 20367360 positive integers (up to 31492971) that are relatively prime to 31492971.
31492971 has 16 divisors, whose sum is 36054720
The reverse of 31492971 is 17929413
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-one million four hundred ninety-two thousand nine hundred seventy-one
Scientific notation
3.1492971 × 10^7
Engineering notation
3.1492971 × 10^6
Prime Factorization
9 × 103 × 53 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31492971
Product of the distinct prime numbers
The prime factorization of 31492971 is 9 × 103 × 53 × 641.
Since it has a total of 4 prime factors.
4 , 2 , 33 , 49 , 878 , 286 , 5698 , 8499 , 53746 , 47835 , 777889 , 928089 , 7118896 , 9414914 , 10723221 , 77582665 , 998847679 , 644547480 , 8337035826 , 9204489310
n×2
62985942
n×3
94478913
n×4
125971884
n×5
157464855
n÷2
15746485.5
n÷3
10497657
n÷3
7873242.75
n÷5
6298594.2
n2
991807222406841
n3
3.1234956092849E+22
n4
9.8368156641837E+29
n5
3.0979055044448E+37
2 √n
5611.8598521346
3 √n
315.79448729321
4 √n
74.912347794837
5 √n
31.596772749837
1 , 9 , 53 , 103 , 477 , 641 , 927 , 5459 , 5769 , 33973 , 49131 , 66023 , 305757 , 594207 , 3499219 , 31492971
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
-31492970
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 31492971 can be divided by 16 positive divisors.
The sum of these divisors (counting 31492971) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001000101101101011
3
Ternary
2012021000020100
4
Quaternary
1320020231223
5
Quinary
31030233341
6
Senary
3043000443
8
Octal
170105553
10
Decimal
31492971
12
Duodecimal
a669123
16
Hexadecimal
1e08b6b
20
Vigesimal
9ggc8b
36
Base36
ir04r
md5
8024ea1388f126f08162f024e6d999a0
sha1
2c5465847d076a7a06fb6af9e439d63f1d531d56
sha256
22a2335a0d94decbf8989b8942ca4ecf880c1ac13a1cf671188911b285ffa423
sha512
b1164d08584db563b8249f16dd9879a1e9c91c3b0dfed222049f034c4645c412a3c7eae8e328e9e91ad3adb307d750814492ad6a2232fcb03276b213587af397
ripemd-160
328f2dcbad9676fc1c29e4c24d4672bfdb2744cb
Diameter
62985942
Circumference
197876172.66663
Area
3.1158542836906E+15
Volume
1.3083667812866E+23
Surface area
1.2463417134763E+16
Circumference
197876172.66663
Perimeter
125971884
Area
991807222406841
Diagonal
44537786.707623
Surface area
5950843334441046
Volume
3.1234956092849E+22
Space diagonal
54547425.853293
Perimeter
94478913
Area
4.294651251306E+14
Altitude
27273712.926647
Surface area
4.294651251306E+14
Volume
3.6810748772196E+21
Height
14845928.902541