30996985 is an odd 8-digits composite number following 30996984
and preceding 30996986 . In scientific notation, it is written as 3.0996985 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 23719344 positive integers (up to 30996985) that are relatively prime to 30996985.
30996985 has 8 divisors, whose sum is 38813760
The reverse of 30996985 is 58969903
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty million nine hundred ninety-six thousand nine hundred eighty-five
Scientific notation
3.0996985 × 10^7
Engineering notation
3.0996985 × 10^6
Prime Factorization
5 × 23 × 269539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30996985
Product of the distinct prime numbers
The prime factorization of 30996985 is 5 × 23 × 269539.
Since it has a total of 3 prime factors.
4 , 3 , 74 , 84 , 678 , 231 , 7552 , 8508 , 4270 , 34493 , 509126 , 466482 , 2203511 , 3645208 , 81800616 , 11134444 , 349805228 , 913776291 , 6666874981 , 8832807025
n×2
61993970
n×3
92990955
n×4
123987940
n×5
154984925
n÷2
15498492.5
n÷3
10332328.333333
n÷3
7749246.25
n÷5
6199397
n2
960813079090225
n3
2.9782308600364E+22
n4
9.2316177295084E+29
n5
2.8615231628731E+37
2 √n
5567.4936012536
3 √n
314.12788075555
4 √n
74.615639119783
5 √n
31.496615635953
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30996984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30996985 can be divided by 8 positive divisors.
The sum of these divisors (counting 30996985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001111100111111001
3
Ternary
2011022210212111
4
Quaternary
1312033213321
5
Quinary
30413400420
6
Senary
3024212321
8
Octal
166174771
10
Decimal
30996985
12
Duodecimal
a46a0a1
16
Hexadecimal
1d8f9f9
20
Vigesimal
9dec95
36
Base36
igdfd
md5
971304b4dea8d826be5f6fa1a3be17a4
sha1
9ef949620bd0d0e0e8e8bd5b339a9c9a0096d449
sha256
b5d83072e36abd628250f466706a5b2bc81d39fc391a0bbb954c26bf2b02a587
sha512
73ece690550d03bfe34529150a887c6cb84a1978656348ff434462fb50eb7191d9832a06298d57691121488637f22ccf65e2b68b1b94119528cbec0a0b5e258c
ripemd-160
bd73642d92f8ebdab88f5acbdf7e09f51c948222
Diameter
61993970
Circumference
194759800.71887
Area
3.0184833107428E+15
Volume
1.2475184254113E+23
Surface area
1.2073933242971E+16
Circumference
194759800.71887
Perimeter
123987940
Area
960813079090225
Diagonal
43836356.579675
Surface area
5764878474541350
Volume
2.9782308600364E+22
Space diagonal
53688352.90145
Perimeter
92990955
Area
4.1604426739024E+14
Altitude
26844176.450725
Surface area
4.1604426739024E+14
Volume
3.5098787284512E+21
Height
14612118.859892