387788989 is an odd 9-digits composite number following 387788988
and preceding 387788990 . In scientific notation, it is written as 3.87788989 × 10^8.
The sum of its digits is 67. It has a total of 4 prime factors and 16 positive divisors.
There are 310665600 positive integers (up to 387788989) that are relatively prime to 387788989.
387788989 has 16 divisors, whose sum is 450017280
The reverse of 387788989 is 989887783
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 67
Digital Root 4
Name
three hundred eighty-seven million seven hundred eighty-eight thousand nine hundred eighty-nine
Scientific notation
3.87788989 × 10^8
Engineering notation
3.87788989 × 10^6
Prime Factorization
119 × 7 × 151 × 3083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
387788989
Product of the distinct prime numbers
The prime factorization of 387788989 is 119 × 7 × 151 × 3083.
Since it has a total of 4 prime factors.
3 , 2 , 86 , 48 , 781 , 906 , 4888 , 9922 , 85732 , 12634 , 870606 , 808735 , 587011 , 2637567 , 52696200 , 17388603 , 227297596 , 61707874 , 6738872403 , 608163573
n×2
775577978
n×3
1163366967
n×4
1551155956
n×5
1938944945
n÷2
193894494.5
n÷3
129262996.33333
n÷3
96947247.25
n÷5
77557797.8
n2
150380299989642121
n3
5.83158244985E+25
n4
2.2614234624975E+34
n5
8.7695511822278E+42
2 √n
19692.358644916
3 √n
729.23105934443
4 √n
140.32946463561
5 √n
52.205840801264
1 , 7 , 119 , 151 , 833 , 1057 , 3083 , 17969 , 21581 , 125783 , 366877 , 465533 , 2568139 , 3258731 , 55398427 , 387788989
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
-387788988
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 387788989 can be divided by 16 positive divisors.
The sum of these divisors (counting 387788989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111000111010011000010111101
3
Ternary
1000000200201111011
4
Quaternary
113013103002331
5
Quinary
1243233221424
6
Senary
102251355221
8
Octal
2707230275
10
Decimal
387788989
12
Duodecimal
a9a52b11
16
Hexadecimal
171d30bd
20
Vigesimal
613dc99
36
Base36
6evnwd
md5
7e882f050d06d1a9f077d3e81351d394
sha1
f0505369a1ac1024122da74deb53d337a2c17c2f
sha256
000f19b5ca218b21efcbbdd01beb6af1761af637376ee4d4be1d80cce03b18ba
sha512
7099f3f49d0f5cb4f621c2d35aee8a0713948128914ee3a434e6f74ee991f42b5ae33fd8e81c91fb2459ec994e4b51adb8e43e0e577ac57ceabfa2e1e5dd93ae
ripemd-160
9d08b2b60dc38ceeeacff4c95c99c2df40ed01f0
Diameter
775577978
Circumference
2436550077.9708
Area
4.7243364569209E+17
Volume
2.4427275444336E+26
Surface area
1.8897345827684E+18
Circumference
2436550077.9708
Perimeter
1551155956
Area
150380299989642121
Diagonal
548416447.58275
Surface area
902281799937852726
Volume
5.83158244985E+25
Space diagonal
671670231.56377
Perimeter
1163366967
Area
6.5116580009877E+16
Altitude
335835115.78188
Surface area
6.5116580009877E+16
Volume
6.8725858255623E+24
Height
182805482.52758