30993971 is an odd 8-digits composite number following 30993970
and preceding 30993972 . In scientific notation, it is written as 3.0993971 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 30687000 positive integers (up to 30993971) that are relatively prime to 30993971.
30993971 has 4 divisors, whose sum is 31300944
The reverse of 30993971 is 17939903
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty million nine hundred ninety-three thousand nine hundred seventy-one
Scientific notation
3.0993971 × 10^7
Engineering notation
3.0993971 × 10^6
Prime Factorization
101 × 306871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30993971
Product of the distinct prime numbers
The prime factorization of 30993971 is 101 × 306871.
Since it has a total of 2 prime factors.
9 , 10 , 70 , 98 , 201 , 999 , 4877 , 9519 , 67891 , 34079 , 514515 , 672994 , 7075351 , 6223545 , 84286403 , 27918352 , 174252047 , 129369779 , 3490654808 , 3194262174
n×2
61987942
n×3
92981913
n×4
123975884
n×5
154969855
n÷2
15496985.5
n÷3
10331323.666667
n÷3
7748492.75
n÷5
6198794.2
n2
960626238348841
n3
2.9773621773223E+22
n4
9.2280276980424E+29
n5
2.8601322286032E+37
2 √n
5567.2229163201
3 √n
314.1176989898
4 √n
74.613825235811
5 √n
31.496003095785
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
-30993970
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 30993971 can be divided by 4 positive divisors.
The sum of these divisors (counting 30993971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110001110111000110011
3
Ternary
2011022122201212
4
Quaternary
1312032320303
5
Quinary
30413301341
6
Senary
3024150335
8
Octal
166167063
10
Decimal
30993971
12
Duodecimal
a4683ab
16
Hexadecimal
1d8ee33
20
Vigesimal
9de4ib
36
Base36
igb3n
md5
b3adef352a8af2418c9004b6cf678fab
sha1
99d79ac5dc96e0bbb3826775c394b12ee8e7629f
sha256
c25420ba20ff4eb921fa4760f78abb076d9ad573722b946026a7ddd66f9b6fff
sha512
eafad96f45142031dcc2c4e5546199bd205c640164517316c485f432bf35c4fc3e73bf0d086cb06a3bf4010dfebd649b875cb855330513b697a3dc491debc404
ripemd-160
e6066060e3849c83e1a4b8d0638be579ba9cf08b
Diameter
61987942
Circumference
194740863.19835
Area
3.0178963332423E+15
Volume
1.2471545524469E+23
Surface area
1.2071585332969E+16
Circumference
194740863.19835
Perimeter
123975884
Area
960626238348841
Diagonal
43832094.139998
Surface area
5763757430093046
Volume
2.9773621773223E+22
Space diagonal
53683132.500316
Perimeter
92981913
Area
4.1596336297599E+14
Altitude
26841566.250158
Surface area
4.1596336297599E+14
Volume
3.5088549760549E+21
Height
14610698.046666