311942989 is an odd 9-digits prime number following 311942988
and preceding 311942990 . In scientific notation, it is written as 3.11942989 × 10^8.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 311942988 positive integers (up to 311942989) that are relatively prime to 311942989.
311942989 has 2 divisors, whose sum is 311942990
The reverse of 311942989 is 989249113
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eleven million nine hundred forty-two thousand nine hundred eighty-nine
Scientific notation
3.11942989 × 10^8
Engineering notation
3.11942989 × 10^6
Prime Factorization
311942989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
311942989
Product of the distinct prime numbers
The prime factorization of 311942989 is 311942989.
Since it has a total of 1 prime factors.
3 , 7 , 11 , 39 , 62 , 787 , 6458 , 8326 , 24693 , 59035 , 655878 , 503681 , 6012087 , 5835636 , 90455870 , 13308332 , 260965792 , 241538832 , 7786182980 , 7592775041
n×2
623885978
n×3
935828967
n×4
1247771956
n×5
1559714945
n÷2
155971494.5
n÷3
103980996.33333
n÷3
77985747.25
n÷5
62388597.8
n2
97308428386254121
n3
3.0354682005701E+25
n4
9.4689302350027E+33
n5
2.9537664001392E+42
2 √n
17661.907852777
3 √n
678.20097489926
4 √n
132.89811079461
5 √n
49.982162926091
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
311942990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
155971495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
17661.907881087
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999935886
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 311942989 can be divided by 2 positive divisors.
The sum of these divisors (counting 311942989) is 311942990, the average is 155971495.
Base
System
Value
2
Binary
10010100101111101111101001101
3
Ternary
210201222100100001
4
Quaternary
102211331331031
5
Quinary
1114324133424
6
Senary
50542004301
8
Octal
2245757515
10
Decimal
311942989
12
Duodecimal
88576691
16
Hexadecimal
1297df4d
20
Vigesimal
4h9ch99
36
Base36
55q0r1
md5
7effb0bd8271c053d12ad8e7f76963e8
sha1
ff48bef7c165116be421fb73b138180637cac3ae
sha256
3e507561ce82c3a59e17c5857a00ee0a92160936032de9223c769fff563261ce
sha512
87241474ddd970ae1cb781f3c3883aa3e5f25008e6975c9ef128715e42d8cc105e36d6d0367060ab78dc6aacfa0ed3f3404e3569d4f33bf2f07265c27a27c58f
ripemd-160
a9503576ca61a211360e01a10deb6a24022d7da5
Diameter
623885978
Circumference
1959995605.1625
Area
3.0570344375062E+17
Volume
1.2714939465488E+26
Surface area
1.2228137750025E+18
Circumference
1959995605.1625
Perimeter
1247771956
Area
97308428386254121
Diagonal
441154005.731
Surface area
583850570317524726
Volume
3.0354682005701E+25
Space diagonal
540301106.0129
Perimeter
935828967
Area
4.2135785492417E+16
Altitude
270150553.00645
Surface area
4.2135785492417E+16
Volume
3.5773335811654E+24
Height
147051335.24367