987478842 is an even 9-digits composite number following 987478841
and preceding 987478843 . In scientific notation, it is written as 9.87478842 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 282136800 positive integers (up to 987478842) that are relatively prime to 987478842.
987478842 has 8 divisors, whose sum is 1551752532
The reverse of 987478842 is 248874789
Previous prime number is 21
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
nine hundred eighty-seven million four hundred seventy-eight thousand eight hundred forty-two
Scientific notation
9.87478842 × 10^8
Engineering notation
9.87478842 × 10^6
Prime Factorization
2 × 21 × 23511401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987478842
Product of the distinct prime numbers
The prime factorization of 987478842 is 2 × 21 × 23511401.
Since it has a total of 3 prime factors.
5 , 4 , 94 , 9 , 274 , 769 , 8169 , 7674 , 59350 , 36122 , 712196 , 165219 , 5397008 , 541611 , 31372960 , 59193659 , 96308083 , 368097895 , 3348464384 , 2640494426
n×2
1974957684
n×3
2962436526
n×4
3949915368
n×5
4937394210
n÷2
493739421
n÷3
329159614
n÷3
246869710.5
n÷5
197495768.4
n2
975114463397660964
n3
9.6290490113337E+26
n4
9.5084821672731E+35
n5
9.3894249597165E+44
2 √n
31424.176075118
3 √n
995.80873853618
4 √n
177.26865508351
5 √n
62.936930749167
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
-987478841
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 987478842 can be divided by 8 positive divisors.
The sum of these divisors (counting 987478842) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110110111011101100111010
3
Ternary
2112211010010022110
4
Quaternary
322312323230322
5
Quinary
4010243310332
6
Senary
241553033150
8
Octal
7266735472
10
Decimal
987478842
12
Duodecimal
2368557b6
16
Hexadecimal
3adbbb3a
20
Vigesimal
f8beh22
36
Base36
gbx3ju
md5
18c682885faf20fe7a79702bc024292d
sha1
283d45104dbe433b9059fd86b74dd4f07b5a9da7
sha256
47cb10c09281d7d724cb23d557bc8d7b6c01e3d99a6b0e4d3824b81e9558ef2e
sha512
35ec2e3cda37f2cf5e8774d288e5cebcd365567aced3d17d44132361608710c94bd68fdb3a7587919813edee7d506466f60d983c6300584157821f8f4b5e50ae
ripemd-160
ca654a98cf09f6a0c3f50d1c1dd25bf7f0725b62
Diameter
1974957684
Circumference
6204512551.2051
Area
3.0634124346192E+18
Volume
4.0334066180083E+27
Surface area
1.2253649738477E+19
Circumference
6204512551.2051
Perimeter
3949915368
Area
975114463397660964
Diagonal
1396505970.9129
Surface area
5850686780385965784
Volume
9.6290490113337E+26
Space diagonal
1710363525.7433
Perimeter
2962436526
Area
4.2223694845E+17
Altitude
855181762.87164
Surface area
4.2223694845E+17
Volume
1.1347943087153E+26
Height
465501990.30429