311942990 is an even 9-digits composite number following 311942989
and preceding 311942991 . In scientific notation, it is written as 3.11942990 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 124454880 positive integers (up to 311942990) that are relatively prime to 311942990.
311942990 has 16 divisors, whose sum is 562947840
The reverse of 311942990 is 099249113
Previous prime number is 389
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
three hundred eleven million nine hundred forty-two thousand nine hundred ninety
Scientific notation
3.11942990 × 10^8
Engineering notation
3.11942990 × 10^6
Prime Factorization
2 × 5 × 389 × 80191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
311942990
Product of the distinct prime numbers
The prime factorization of 311942990 is 2 × 5 × 389 × 80191.
Since it has a total of 4 prime factors.
9 , 5 , 4 , 13 , 356 , 413 , 814 , 6459 , 57192 , 48592 , 856604 , 506836 , 9460279 , 6422516 , 56540937 , 41625025 , 263493457 , 267759717 , 8783203807 , 2025448450
n×2
623885980
n×3
935828970
n×4
1247771960
n×5
1559714950
n÷2
155971495
n÷3
103980996.66667
n÷3
77985747.5
n÷5
62388598
n2
97308429010140100
n3
3.0354682297626E+25
n4
9.4689303564215E+33
n5
2.9537664474839E+42
2 √n
17661.907881087
3 √n
678.20097562396
4 √n
132.89811090112
5 √n
49.982162958137
1 , 2 , 5 , 10 , 389 , 778 , 1945 , 3890 , 80191 , 160382 , 400955 , 801910 , 31194299 , 62388598 , 155971495 , 311942990
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
-311942989
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 311942990 can be divided by 16 positive divisors.
The sum of these divisors (counting 311942990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010100101111101111101001110
3
Ternary
210201222100100002
4
Quaternary
102211331331032
5
Quinary
1114324133430
6
Senary
50542004302
8
Octal
2245757516
10
Decimal
311942990
12
Duodecimal
88576692
16
Hexadecimal
1297df4e
20
Vigesimal
4h9ch9a
36
Base36
55q0r2
md5
0e7a45e1dc355c5d2c552fde299bd29e
sha1
afbc53a0f0aa6f25ae7e98572ffe6883aeb46370
sha256
a1fde7e16debab620a14ff2197cfbe78238edbd694c28074c1a992781aac85a5
sha512
fca3a9524e7982926f4f229f9ac5cd29aee71db0df9234bd9b6846ef192d2a3270bf2ffc340c6bb72d814a9f9ee660fa97623492a323a0018de98658677cc86d
ripemd-160
fe7090c866fc546959963e394b53800773b603a4
Diameter
623885980
Circumference
1959995611.4457
Area
3.0570344571062E+17
Volume
1.271493958777E+26
Surface area
1.2228137828425E+18
Circumference
1959995611.4457
Perimeter
1247771960
Area
97308429010140100
Diagonal
441154007.14521
Surface area
583850574060840600
Volume
3.0354682297626E+25
Space diagonal
540301107.74495
Perimeter
935828970
Area
4.2135785762568E+16
Altitude
270150553.87248
Surface area
4.2135785762568E+16
Volume
3.5773336155691E+24
Height
147051335.71507