381219986 is an even 9-digits composite number following 381219985
and preceding 381219987 . In scientific notation, it is written as 3.81219986 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 156276384 positive integers (up to 381219986) that are relatively prime to 381219986.
381219986 has 16 divisors, whose sum is 681934464
The reverse of 381219986 is 689912183
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-one million two hundred nineteen thousand nine hundred eighty-six
Scientific notation
3.81219986 × 10^8
Engineering notation
3.81219986 × 10^6
Prime Factorization
2 × 7 × 23 × 1183913
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
381219986
Product of the distinct prime numbers
The prime factorization of 381219986 is 2 × 7 × 23 × 1183913.
Since it has a total of 4 prime factors.
3 , 9 , 76 , 12 , 719 , 494 , 6289 , 6007 , 98939 , 63282 , 286195 , 829637 , 4241295 , 9572451 , 72031709 , 98779012 , 680427956 , 757404185 , 4727841660 , 744954829
n×2
762439972
n×3
1143659958
n×4
1524879944
n×5
1906099930
n÷2
190609993
n÷3
127073328.66667
n÷3
95304996.5
n÷5
76243997.2
n2
145328677725840196
n3
5.5402196488043E+25
n4
2.1120424569541E+34
n5
8.0515279587145E+42
2 √n
19524.855594857
3 √n
725.08995221592
4 √n
139.73136940164
5 √n
52.027760479597
1 , 2 , 7 , 14 , 23 , 46 , 161 , 322 , 1183913 , 2367826 , 8287391 , 16574782 , 27229999 , 54459998 , 190609993 , 381219986
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
-381219985
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 381219986 can be divided by 16 positive divisors.
The sum of these divisors (counting 381219986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10110101110001111010010010010
3
Ternary
222120022222111202
4
Quaternary
112232033102102
5
Quinary
1240043014421
6
Senary
101454511202
8
Octal
2656172222
10
Decimal
381219986
12
Duodecimal
a7805502
16
Hexadecimal
16b8f492
20
Vigesimal
5j2c9j6
36
Base36
6ayv82
md5
7a7def989aa2834d3ee93782e870a1a3
sha1
7696ce89163e4ee8e5f04f70906a20e8f8ec719a
sha256
2ceb7638929eb2dcb196d1f0a5cf1828f0ceaf7b3f8dde8b95d9e0e2fa30d9a6
sha512
1bef606a58b4a358ae3c885e37cecd2d27c3675a1740278bbc08cf6b1d89d288cadcb6d6c6dc71420ed782f84b581d384c71ee9fea3cfe9040ee9f400eef0005
ripemd-160
cfc3808e548844e0f93e7f34655b03150ad7e130
Diameter
762439972
Circumference
2395275814.8384
Area
4.5656350629942E+17
Volume
2.3206817797277E+26
Surface area
1.8262540251977E+18
Circumference
2395275814.8384
Perimeter
1524879944
Area
145328677725840196
Diagonal
539126474.44888
Surface area
871972066355041176
Volume
5.5402196488043E+25
Space diagonal
660292384.6127
Perimeter
1143659958
Area
6.292916340449E+16
Altitude
330146192.30635
Surface area
6.292916340449E+16
Volume
6.5292114715542E+24
Height
179708824.81629