381639757 is an odd 9-digits composite number following 381639756
and preceding 381639758 . In scientific notation, it is written as 3.81639757 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 356975424 positive integers (up to 381639757) that are relatively prime to 381639757.
381639757 has 8 divisors, whose sum is 406812800
The reverse of 381639757 is 757936183
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-one million six hundred thirty-nine thousand seven hundred fifty-seven
Scientific notation
3.81639757 × 10^8
Engineering notation
3.81639757 × 10^6
Prime Factorization
19 × 79 × 254257
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
381639757
Product of the distinct prime numbers
The prime factorization of 381639757 is 19 × 79 × 254257.
Since it has a total of 3 prime factors.
9 , 8 , 64 , 13 , 160 , 291 , 3537 , 2404 , 75900 , 76432 , 641911 , 171745 , 4340015 , 2069243 , 43913329 , 28522082 , 923191182 , 365215803 , 3890598742 , 8489338555
n×2
763279514
n×3
1144919271
n×4
1526559028
n×5
1908198785
n÷2
190819878.5
n÷3
127213252.33333
n÷3
95409939.25
n÷5
76327951.4
n2
145648904123019049
n3
5.5585412376825E+25
n4
2.1213603272236E+34
n5
8.0959543979107E+42
2 √n
19535.602294273
3 √n
725.3559929069
4 √n
139.76981896773
5 √n
52.039213253783
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
-381639756
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 381639757 can be divided by 8 positive divisors.
The sum of these divisors (counting 381639757) is 1, the average is 0.125.
Base
System
Value
2
Binary
10110101111110101110001001101
3
Ternary
222121010022022211
4
Quaternary
112233311301031
5
Quinary
1240144433012
6
Senary
101511510421
8
Octal
2657656115
10
Decimal
381639757
12
Duodecimal
a7988411
16
Hexadecimal
16bf5c4d
20
Vigesimal
5j54j7h
36
Base36
6b7v4d
md5
c3654ee6a1d7606bb20d370686fdab3c
sha1
2ccf4e8c900ced470099d26ecca03f605e6e9055
sha256
f542b79265fcf878226b7e37547b4cf81dcc34fe559bc7bcd371625c1689bb32
sha512
c3409ef4106a591e54aadff2dcae89c9c94b095bb2e62a0162d3f7133699abb6479819fedb964b04c66b01d894d58ad9d1bb591bdc6c586a2f02f1a481e3214d
ripemd-160
f8dac44339432da14eb43bcdf8676b0d9b62c1a8
Diameter
763279514
Circumference
2397913313.818
Area
4.5756952719628E+17
Volume
2.3283563089306E+26
Surface area
1.8302781087851E+18
Circumference
2397913313.818
Perimeter
1526559028
Area
145648904123019049
Diagonal
539720120.29017
Surface area
873893424738114294
Volume
5.5585412376825E+25
Space diagonal
661019449.31224
Perimeter
1144919271
Area
6.3067825501949E+16
Altitude
330509724.65612
Surface area
6.3067825501949E+16
Volume
6.5508036711173E+24
Height
179906706.76339