30996986 is an even 8-digits composite number following 30996985
and preceding 30996987 . In scientific notation, it is written as 3.0996986 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 15498492 positive integers (up to 30996986) that are relatively prime to 30996986.
30996986 has 4 divisors, whose sum is 46495482
The reverse of 30996986 is 68969903
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
thirty million nine hundred ninety-six thousand nine hundred eighty-six
Scientific notation
3.0996986 × 10^7
Engineering notation
3.0996986 × 10^6
Prime Factorization
2 × 15498493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30996986
Product of the distinct prime numbers
The prime factorization of 30996986 is 2 × 15498493.
Since it has a total of 2 prime factors.
5 , 10 , 39 , 26 , 757 , 720 , 5478 , 984 , 86584 , 70075 , 799798 , 110600 , 3392735 , 8685115 , 24327601 , 13888731 , 516448341 , 317149334 , 8484864160 , 3642287317
n×2
61993972
n×3
92990958
n×4
123987944
n×5
154984930
n÷2
15498493
n÷3
10332328.666667
n÷3
7749246.5
n÷5
6199397.2
n2
960813141084196
n3
2.9782311482803E+22
n4
9.2316189208008E+29
n5
2.861523624454E+37
2 √n
5567.4936910606
3 √n
314.1278841336
4 √n
74.61563972158
5 √n
31.496615839177
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30996985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30996986 can be divided by 4 positive divisors.
The sum of these divisors (counting 30996986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110001111100111111010
3
Ternary
2011022210212112
4
Quaternary
1312033213322
5
Quinary
30413400421
6
Senary
3024212322
8
Octal
166174772
10
Decimal
30996986
12
Duodecimal
a46a0a2
16
Hexadecimal
1d8f9fa
20
Vigesimal
9dec96
36
Base36
igdfe
md5
50e0a8f6aa80cf04da24fb0c2be75678
sha1
21c46e9f902890fc3fd90ca3e887e02973e530b6
sha256
0ac5164663b9ac88580c802f2d862574a77f2246f0e90f7a0593a71d1574a14a
sha512
a7bf3e7933dc45179d76417c82b6619896f475323d79b3238232ca6eb9721921ef62333b7d6fb0d9617fb79dd11d93e8fec9c246e7428333720ebdef7995cef4
ripemd-160
ffd6798a5c9cdb923551e17392626dadaadda646
Diameter
61993972
Circumference
194759807.00205
Area
3.0184835055026E+15
Volume
1.2475185461506E+23
Surface area
1.2073934022011E+16
Circumference
194759807.00205
Perimeter
123987944
Area
960813141084196
Diagonal
43836357.993889
Surface area
5764878846505176
Volume
2.9782311482803E+22
Space diagonal
53688354.633501
Perimeter
92990958
Area
4.1604429423442E+14
Altitude
26844177.316751
Surface area
4.1604429423442E+14
Volume
3.50987906815E+21
Height
14612119.331296