19902312 is an even 8-digits composite number following 19902311
and preceding 19902313 . In scientific notation, it is written as 1.9902312 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6548256 positive integers (up to 19902312) that are relatively prime to 19902312.
19902312 has 32 divisors, whose sum is 42000000
The reverse of 19902312 is 21320991
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
nineteen million nine hundred two thousand three hundred twelve
Scientific notation
1.9902312 × 10^7
Engineering notation
1.9902312 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 79 × 3499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4975578
Product of the distinct prime numbers
The prime factorization of 19902312 is 2 × 2 × 2 × 9 × 79 × 3499.
Since it has a total of 6 prime factors.
3 , 6 , 100 , 75 , 963 , 561 , 6320 , 1597 , 49758 , 5826 , 658434 , 440311 , 201575 , 1536774 , 24987950 , 37223252 , 59074417 , 187872146 , 7420026334 , 5811088764
n×2
39804624
n×3
59706936
n×4
79609248
n×5
99511560
n÷2
9951156
n÷3
6634104
n÷3
4975578
n÷5
3980462.4
n2
396102022945344
n3
7.8833460444894E+21
n4
1.5689681258139E+29
n5
3.1226093158004E+36
2 √n
4461.2007352281
3 √n
270.99909677763
4 √n
66.792220619082
5 √n
28.825755992092
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 79 , 158 , 316 , 632 , 711 , 1422 , 2844 , 3499 , 5688 , 6998 , 13996 , 27992 , 31491 , 62982 , 125964 , 251928 , 276421 , 552842 , 1105684 , 2211368 , 2487789 , 4975578 , 9951156 , 19902312
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902312 can be divided by 32 positive divisors.
The sum of these divisors (counting 19902312) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011111010111101101000
3
Ternary
1101110010211200
4
Quaternary
1023322331220
5
Quinary
20043333222
6
Senary
1550324200
8
Octal
113727550
10
Decimal
19902312
12
Duodecimal
67b9660
16
Hexadecimal
12faf68
20
Vigesimal
647ffc
36
Base36
bukq0
md5
67715e0c19cd515dbcd4d672525f95ac
sha1
f587354ff1fc206602587fd3904e88993f8df86f
sha256
ec735195cccebaba5e9d346d54de66b6a64ce8e382ee788efd23b7681966db02
sha512
54a8ed3ebc8c0d799979de0fbe68100dfcbb5bcaa49e0e207166c8d7ac35aec8177aa84bcf1765104be716140510e0264f36ce9c92d91fa88315cf783b940772
ripemd-160
3c096224b29bd335aa71c3db3907532520526a7e
Diameter
39804624
Circumference
125049914.3373
Area
1.2443912053571E+15
Volume
3.3021682692099E+22
Surface area
4.9775648214286E+15
Circumference
125049914.3373
Perimeter
79609248
Area
396102022945344
Diagonal
28146119.552981
Surface area
2376612137672064
Volume
7.8833460444894E+21
Space diagonal
34471815.572088
Perimeter
59706936
Area
1.7151720718054E+14
Altitude
17235907.786044
Surface area
1.7151720718054E+14
Volume
9.290612410831E+20
Height
9382039.8509936