381474987 is an odd 9-digits composite number following 381474986
and preceding 381474988 . In scientific notation, it is written as 3.81474987 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 243259368 positive integers (up to 381474987) that are relatively prime to 381474987.
381474987 has 8 divisors, whose sum is 530747904
The reverse of 381474987 is 789474183
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred eighty-one million four hundred seventy-four thousand nine hundred eighty-seven
Scientific notation
3.81474987 × 10^8
Engineering notation
3.81474987 × 10^6
Prime Factorization
3 × 23 × 5528623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
381474987
Product of the distinct prime numbers
The prime factorization of 381474987 is 3 × 23 × 5528623.
Since it has a total of 3 prime factors.
6 , 1 , 37 , 81 , 717 , 732 , 2228 , 3433 , 26059 , 71336 , 447625 , 187293 , 9541516 , 2740727 , 81618344 , 55276683 , 114755300 , 648371874 , 9235927088 , 65301986
n×2
762949974
n×3
1144424961
n×4
1525899948
n×5
1907374935
n÷2
190737493.5
n÷3
127158329
n÷3
95368746.75
n÷5
76294997.4
n2
145523165706650169
n3
5.5513447746143E+25
n4
2.1176991757285E+34
n5
8.0784926553095E+42
2 √n
19531.384666736
3 √n
725.25158894212
4 √n
139.75473039127
5 √n
52.034718972365
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
-381474986
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 381474987 can be divided by 8 positive divisors.
The sum of these divisors (counting 381474987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10110101111001101100010101011
3
Ternary
222120210221022020
4
Quaternary
112233031202223
5
Quinary
1240124144422
6
Senary
101504155523
8
Octal
2657154253
10
Decimal
381474987
12
Duodecimal
a7908ba3
16
Hexadecimal
16bcd8ab
20
Vigesimal
5j44797
36
Base36
6b4bzf
md5
6cbdb20d85efec629f5d008f3c297dba
sha1
417e075eaef7f1f2a81180af2f05163e0fb4fd88
sha256
ca2c62ae9134b9554bd54d4a698c0fcfa5401bd169d3937b1d3b69c7951eda5a
sha512
1b09b3734d0e672bca2a470b9a5642f1cafa6069172675b6fdf1ab3c9e9db54deb98332ef85106b329c563f2752f50984d92827b6c5dd618afb9bfb121e244f0
ripemd-160
3cc1a7b27736d28e845ee52b2b21c594625f496d
Diameter
762949974
Circumference
2396878033.3749
Area
4.5717450831114E+17
Volume
2.3253418615297E+26
Surface area
1.8286980332446E+18
Circumference
2396878033.3749
Perimeter
1525899948
Area
145523165706650169
Diagonal
539487100.3215
Surface area
873138994239901014
Volume
5.5513447746143E+25
Space diagonal
660734059.30068
Perimeter
1144424961
Area
6.3013379170546E+16
Altitude
330367029.65034
Surface area
6.3013379170546E+16
Volume
6.5423225580572E+24
Height
179829033.4405