987691842 is an even 9-digits composite number following 987691841
and preceding 987691843 . In scientific notation, it is written as 9.87691842 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 329230608 positive integers (up to 987691842) that are relatively prime to 987691842.
987691842 has 12 divisors, whose sum is 2139999030
The reverse of 987691842 is 248196789
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 54
Digital Root 9
Name
nine hundred eighty-seven million six hundred ninety-one thousand eight hundred forty-two
Scientific notation
9.87691842 × 10^8
Engineering notation
9.87691842 × 10^6
Prime Factorization
2 × 3 × 3 × 54871769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
329230614
Product of the distinct prime numbers
The prime factorization of 987691842 is 2 × 3 × 3 × 54871769.
Since it has a total of 4 prime factors.
6 , 2 , 26 , 2 , 664 , 905 , 629 , 3007 , 98870 , 63101 , 319873 , 451077 , 8322317 , 1190850 , 51953426 , 16847551 , 653995678 , 520319434 , 4669065575 , 963803364
n×2
1975383684
n×3
2963075526
n×4
3950767368
n×5
4938459210
n÷2
493845921
n÷3
329230614
n÷3
246922960.5
n÷5
197538368.4
n2
975535174753352964
n3
9.6352813368793E+26
n4
9.5166887718105E+35
n5
9.3995558627703E+44
2 √n
31427.565002717
3 √n
995.88033231066
4 √n
177.27821355913
5 √n
62.939645624502
1 , 2 , 3 , 6 , 9 , 18 , 54871769 , 109743538 , 164615307 , 329230614 , 493845921 , 987691842
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
-987691841
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 987691842 can be divided by 12 positive divisors.
The sum of these divisors (counting 987691842) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010110111101111101101000010
3
Ternary
2112211111221111100
4
Quaternary
322313233231002
5
Quinary
4010322114332
6
Senary
242001355230
8
Octal
7267575502
10
Decimal
987691842
12
Duodecimal
236938b16
16
Hexadecimal
3adefb42
20
Vigesimal
f8d19c2
36
Base36
gc1nwi
md5
0736b38166d2a0afedfffb27f230eddd
sha1
4e55fe36fd1c1b87b017f7fe5652baf48e66a632
sha256
56339bd2e5da3d604f3603a4bcdb48cef4d22f6a5c248ea3d786e5d6d9b87b12
sha512
aabce579df6846ee13e5d3a8b9c18e914e478bd3828022ebdd163bf8710e6ba6f46b08919983d473ff16e3171e76eb0cd1c24598624261d4f2dedc485cadd892
ripemd-160
4e48f30f4758e0045cd5248776f034dcf3ef00e9
Diameter
1975383684
Circumference
6205850869.6755
Area
3.0647341383236E+18
Volume
4.0360172084281E+27
Surface area
1.2258936553294E+19
Circumference
6205850869.6755
Perimeter
3950767368
Area
975535174753352964
Diagonal
1396807198.4017
Surface area
5853211048520117784
Volume
9.6352813368793E+26
Space diagonal
1710732452.5653
Perimeter
2963075526
Area
4.2241912181085E+17
Altitude
855366226.28265
Surface area
4.2241912181085E+17
Volume
1.1355287953246E+26
Height
465602399.46722