987788428 is an even 9-digits composite number following 987788427
and preceding 987788429 . In scientific notation, it is written as 9.87788428 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 12 positive divisors.
There are 448994720 positive integers (up to 987788428) that are relatively prime to 987788428.
987788428 has 12 divisors, whose sum is 1885777992
The reverse of 987788428 is 824887789
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
nine hundred eighty-seven million seven hundred eighty-eight thousand four hundred twenty-eight
Scientific notation
9.87788428 × 10^8
Engineering notation
9.87788428 × 10^6
Prime Factorization
2 × 2 × 11 × 22449737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
493894214
Product of the distinct prime numbers
The prime factorization of 987788428 is 2 × 2 × 11 × 22449737.
Since it has a total of 4 prime factors.
2 , 3 , 53 , 47 , 900 , 75 , 5157 , 752 , 57114 , 65880 , 658557 , 674456 , 2962962 , 4171814 , 36696747 , 6021772 , 304415869 , 338941753 , 1563482578 , 4847565802
n×2
1975576856
n×3
2963365284
n×4
3951153712
n×5
4938942140
n÷2
493894214
n÷3
329262809.33333
n÷3
246947107
n÷5
197557685.6
n2
975725978490711184
n3
9.638108304521E+26
n4
9.5204118510166E+35
n5
9.4041526562282E+44
2 √n
31429.101609814
3 √n
995.91279350232
4 √n
177.28254739205
5 √n
62.940876545034
1 , 2 , 4 , 11 , 22 , 44 , 22449737 , 44899474 , 89798948 , 246947107 , 493894214 , 987788428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987788427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987788428 can be divided by 12 positive divisors.
The sum of these divisors (counting 987788428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010111000000111010010001100
3
Ternary
2112211200211222121
4
Quaternary
322320013102030
5
Quinary
4010333212203
6
Senary
242003422324
8
Octal
7270072214
10
Decimal
987788428
12
Duodecimal
2369849a4
16
Hexadecimal
3ae0748c
20
Vigesimal
f8ddb18
36
Base36
gc3qfg
md5
fcb90a3bf9494fac37b98409ea1ef9c2
sha1
a5f6422a8200be139997a7d1426508bb2d5b9b2a
sha256
f18c9892cc2d65e080845cd59ab3dbf188ff4989f916294d8eca0b4b1b58653d
sha512
89fc89274589b939517ec22719b0f52c58283640ff92bfd3f2272e82b4dfafec197cfb25d84d6ea1d35dbd6d00d63a030c3bef77139b0bbf32ffbaa53b42692b
ripemd-160
e36f04d8e518af590456ce58b7ef2a791aae8f50
Diameter
1975576856
Circumference
6206457737.4116
Area
3.0653335659431E+18
Volume
4.0372013658648E+27
Surface area
1.2261334263773E+19
Circumference
6206457737.4116
Perimeter
3951153712
Area
975725978490711184
Diagonal
1396943791.6328
Surface area
5854355870944267104
Volume
9.638108304521E+26
Space diagonal
1710899744.4246
Perimeter
2963365284
Area
4.2250174225269E+17
Altitude
855449872.2123
Surface area
4.2250174225269E+17
Volume
1.1358619566562E+26
Height
465647930.54427