311923921 is an odd 9-digits composite number following 311923920
and preceding 311923922 . In scientific notation, it is written as 3.11923921 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 305768112 positive integers (up to 311923921) that are relatively prime to 311923921.
311923921 has 8 divisors, whose sum is 318090240
The reverse of 311923921 is 129329113
Previous prime number is 1663
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
three hundred eleven million nine hundred twenty-three thousand nine hundred twenty-one
Scientific notation
3.11923921 × 10^8
Engineering notation
3.11923921 × 10^6
Prime Factorization
53 × 1663 × 3539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
311923921
Product of the distinct prime numbers
The prime factorization of 311923921 is 53 × 1663 × 3539.
Since it has a total of 3 prime factors.
4 , 4 , 72 , 16 , 971 , 204 , 8976 , 6374 , 56906 , 65470 , 370109 , 510904 , 2001107 , 2397945 , 60834951 , 60093618 , 944249719 , 68689927 , 6006478310 , 4061701869
n×2
623847842
n×3
935771763
n×4
1247695684
n×5
1559619605
n÷2
155961960.5
n÷3
103974640.33333
n÷3
77980980.25
n÷5
62384784.2
n2
97296532492014241
n3
3.0349115914613E+25
n4
9.4666152349696E+33
n5
2.95286374269E+42
2 √n
17661.368038745
3 √n
678.18715592149
4 √n
132.89607984717
5 √n
49.981551863673
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
-311923920
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 311923921 can be divided by 8 positive divisors.
The sum of these divisors (counting 311923921) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010100101111001010011010001
3
Ternary
210201221101011211
4
Quaternary
102211321103101
5
Quinary
1114323031141
6
Senary
50541340121
8
Octal
2245712321
10
Decimal
311923921
12
Duodecimal
88567641
16
Hexadecimal
129794d1
20
Vigesimal
4h9a9g1
36
Base36
55pm1d
md5
65cb23f487025a0eed67b2279099e431
sha1
131f998da1ec706b3e8e1c4389396171fdd1b7fc
sha256
75955860b00a4f44984e43a0dd2dd2a8557bafc24d2687b30e006c5d84ce2b25
sha512
07f8ecc0e24f344114d94a4c45c65ffcc7e94009459887cba48fd1dd541f93af9d1b3ea8223342f0ebe27607a5ae93e81aa3d3eacb7341b5d227c37a187fed05
ripemd-160
8677de5a39ad2ccce223d0e211bea6c6ebb4cf35
Diameter
623847842
Circumference
1959875797.385
Area
3.0566607169667E+17
Volume
1.2712607946706E+26
Surface area
1.2226642867867E+18
Circumference
1959875797.385
Perimeter
1247695684
Area
97296532492014241
Diagonal
441127039.50679
Surface area
583779194952085446
Volume
3.0349115914613E+25
Space diagonal
540268079.2681
Perimeter
935771763
Area
4.2130634419111E+16
Altitude
270134039.63405
Surface area
4.2130634419111E+16
Volume
3.5766776110399E+24
Height
147042346.50226