311942985 is an odd 9-digits composite number following 311942984
and preceding 311942986 . In scientific notation, it is written as 3.11942985 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 163965888 positive integers (up to 311942985) that are relatively prime to 311942985.
311942985 has 16 divisors, whose sum is 337582080
The reverse of 311942985 is 589249113
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
three hundred eleven million nine hundred forty-two thousand nine hundred eighty-five
Scientific notation
3.11942985 × 10^8
Engineering notation
3.11942985 × 10^6
Prime Factorization
15 × 107 × 263 × 739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
311942985
Product of the distinct prime numbers
The prime factorization of 311942985 is 15 × 107 × 263 × 739.
Since it has a total of 4 prime factors.
7 , 3 , 74 , 71 , 155 , 897 , 5931 , 6527 , 71072 , 51970 , 618222 , 188944 , 8397479 , 8669893 , 64562419 , 49871976 , 75532055 , 162045531 , 8894792047 , 9234501731
n×2
623885970
n×3
935828955
n×4
1247771940
n×5
1559714925
n÷2
155971492.5
n÷3
103980995
n÷3
77985746.25
n÷5
62388597
n2
97308425890710225
n3
3.0354680837999E+25
n4
9.4689297493278E+33
n5
2.9537662107606E+42
2 √n
17661.907739539
3 √n
678.20097200043
4 √n
132.89811036858
5 √n
49.982162797908
1 , 15 , 107 , 263 , 739 , 1605 , 3945 , 11085 , 28141 , 79073 , 194357 , 422115 , 1186095 , 2915355 , 20796199 , 311942985
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
-311942984
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 311942985 can be divided by 16 positive divisors.
The sum of these divisors (counting 311942985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101111101111101001001
3
Ternary
210201222100022220
4
Quaternary
102211331331021
5
Quinary
1114324133420
6
Senary
50542004253
8
Octal
2245757511
10
Decimal
311942985
12
Duodecimal
88576689
16
Hexadecimal
1297df49
20
Vigesimal
4h9ch95
36
Base36
55q0qx
md5
06b77c03bdf3bfdad0b64093bdd74a1e
sha1
dc8126f02da21df1da6a76bdcaf968fc278d92d4
sha256
00a245e8941005d826cafd19ff5fcb508912c2f17f798e7727ff6b9b7f014425
sha512
78f553e7847b05a30a9908c5cd637d39702f882fdaafbb5da8c377b3242eaeac8e363b41f925f61eaf8c8764c94b444ba0fc394cd63b576076379afc2320e037
ripemd-160
e2b66124ca2aebaaadbe98be8691fb525ebad833
Diameter
623885970
Circumference
1959995580.0297
Area
3.0570343591064E+17
Volume
1.2714938976363E+26
Surface area
1.2228137436426E+18
Circumference
1959995580.0297
Perimeter
1247771940
Area
97308425890710225
Diagonal
441154000.07415
Surface area
583850555344261350
Volume
3.0354680837999E+25
Space diagonal
540301099.0847
Perimeter
935828955
Area
4.2135784411815E+16
Altitude
270150549.54235
Surface area
4.2135784411815E+16
Volume
3.5773334435505E+24
Height
147051333.35805