30993957 is an odd 8-digits composite number following 30993956
and preceding 30993958 . In scientific notation, it is written as 3.0993957 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 20662632 positive integers (up to 30993957) that are relatively prime to 30993957.
30993957 has 4 divisors, whose sum is 34437740
The reverse of 30993957 is 75939903
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty million nine hundred ninety-three thousand nine hundred fifty-seven
Scientific notation
3.0993957 × 10^7
Engineering notation
3.0993957 × 10^6
Prime Factorization
9 × 3443773
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30993957
Product of the distinct prime numbers
The prime factorization of 30993957 is 9 × 3443773.
Since it has a total of 2 prime factors.
2 , 1 , 8 , 84 , 485 , 856 , 5522 , 7781 , 69958 , 47902 , 802153 , 706148 , 4541044 , 9035782 , 4592662 , 51003802 , 817080572 , 958109395 , 8092518885 , 4956393655
n×2
61987914
n×3
92981871
n×4
123975828
n×5
154969785
n÷2
15496978.5
n÷3
10331319
n÷3
7748489.25
n÷5
6198791.4
n2
960625370517849
n3
2.9773581426939E+22
n4
9.2280110248255E+29
n5
2.8601257689897E+37
2 √n
5567.2216589606
3 √n
314.11765169406
4 √n
74.613816810029
5 √n
31.496000250431
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
-30993956
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 30993957 can be divided by 4 positive divisors.
The sum of these divisors (counting 30993957) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110001110111000100101
3
Ternary
2011022122201100
4
Quaternary
1312032320211
5
Quinary
30413301312
6
Senary
3024150313
8
Octal
166167045
10
Decimal
30993957
12
Duodecimal
a468399
16
Hexadecimal
1d8ee25
20
Vigesimal
9de4hh
36
Base36
igb39
md5
ea0f7ae6db1bb2aa80aa9f2de2c3aa7a
sha1
169c1ff8240b0e4ed9fe46bd0022a5408c5085ef
sha256
f359819dfbf4e85e9306c887b731d678e8b1583184a6212ccb13bbb08a7459ba
sha512
a9ed8db18cf04829159434100305cba933ad22a091d51f54a355bca62d962a590f3fdccee2971a34f889ca511ea01f1c83b63f3efb438bb0a5f63c4d49ae8e7a
ripemd-160
21a4328a33e6b6c447367fc6c27dd9a4f02f5377
Diameter
61987914
Circumference
194740775.23376
Area
3.0178936068708E+15
Volume
1.2471528624257E+23
Surface area
1.2071574427483E+16
Circumference
194740775.23376
Perimeter
123975828
Area
960625370517849
Diagonal
43832074.341009
Surface area
5763752223107094
Volume
2.9773581426939E+22
Space diagonal
53683108.251605
Perimeter
92981871
Area
4.1596298719415E+14
Altitude
26841554.125803
Surface area
4.1596298719415E+14
Volume
3.5088502211998E+21
Height
14610691.447003