388220981 is an odd 9-digits composite number following 388220980
and preceding 388220982 . In scientific notation, it is written as 3.88220981 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 382426572 positive integers (up to 388220981) that are relatively prime to 388220981.
388220981 has 4 divisors, whose sum is 394015392
The reverse of 388220981 is 189022883
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
three hundred eighty-eight million two hundred twenty thousand nine hundred eighty-one
Scientific notation
3.88220981 × 10^8
Engineering notation
3.88220981 × 10^6
Prime Factorization
67 × 5794343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388220981
Product of the distinct prime numbers
The prime factorization of 388220981 is 67 × 5794343.
Since it has a total of 2 prime factors.
6 , 7 , 73 , 71 , 848 , 615 , 8522 , 2712 , 24019 , 56459 , 407276 , 272416 , 1195764 , 9519783 , 5010836 , 78013559 , 551193462 , 653904946 , 6281430758 , 2834898697
n×2
776441962
n×3
1164662943
n×4
1552883924
n×5
1941104905
n÷2
194110490.5
n÷3
129406993.66667
n÷3
97055245.25
n÷5
77644196.2
n2
150715530088602361
n3
5.8510930942932E+25
n4
2.2715171009888E+34
n5
8.8185059730416E+42
2 √n
19703.324110413
3 √n
729.5017435638
4 √n
140.36852962973
5 √n
52.217466950355
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388220980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388220981 can be divided by 4 positive divisors.
The sum of these divisors (counting 388220981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001000111100100000110101
3
Ternary
1000001111200001212
4
Quaternary
113020330200311
5
Quinary
1243341032411
6
Senary
102304531205
8
Octal
2710744065
10
Decimal
388220981
12
Duodecimal
aa020b05
16
Hexadecimal
1723c835
20
Vigesimal
6167c91
36
Base36
6f4x85
md5
792613ea8408dd0f4d434caaf2206111
sha1
bab9ceccb9da363c8f4979a2cfa1c197ace5cc37
sha256
b587bfb4b4e1af8e36324de3f41bc083e84b6aedb65c3dbed8b1acc2e99e35e6
sha512
1a4a1fe8aa83cc0b5a416a9f19671716ea73e43d3170c969c06e6e2926ed8d9c83070a93bc5b22e01a5841c87e0f0275f6256b2ae18afbff4f3423f52552d2a4
ripemd-160
89282ded3111db51d0421c56870dea2a8aa7bb61
Diameter
776441962
Circumference
2439264363.758
Area
4.7348680210824E+17
Volume
2.4509001440669E+26
Surface area
1.893947208433E+18
Circumference
2439264363.758
Perimeter
1552883924
Area
150715530088602361
Diagonal
549027376.52799
Surface area
904293180531614166
Volume
5.8510930942932E+25
Space diagonal
672418463.65623
Perimeter
1164662943
Area
6.5261738900784E+16
Altitude
336209231.82812
Surface area
6.5261738900784E+16
Volume
6.8955793405475E+24
Height
183009125.50933