987391640 is an even 9-digits composite number following 987391639
and preceding 987391641 . In scientific notation, it is written as 9.87391640 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 394956640 positive integers (up to 987391640) that are relatively prime to 987391640.
987391640 has 16 divisors, whose sum is 2221631280
The reverse of 987391640 is 046193789
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
nine hundred eighty-seven million three hundred ninety-one thousand six hundred forty
Scientific notation
9.87391640 × 10^8
Engineering notation
9.87391640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 24684791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
246847910
Product of the distinct prime numbers
The prime factorization of 987391640 is 2 × 2 × 2 × 5 × 24684791.
Since it has a total of 5 prime factors.
4 , 5 , 59 , 3 , 670 , 823 , 6880 , 9185 , 34507 , 78179 , 323338 , 804877 , 8495654 , 2774266 , 14231428 , 67415514 , 284814711 , 233962023 , 7521806091 , 8154845594
n×2
1974783280
n×3
2962174920
n×4
3949566560
n×5
4936958200
n÷2
493695820
n÷3
329130546.66667
n÷3
246847910
n÷5
197478328
n2
974942250741889600
n3
9.6264982786533E+26
n4
9.5051239228166E+35
n5
9.3852798985531E+44
2 √n
31422.788545895
3 √n
995.77942514192
4 √n
177.26474140645
5 √n
62.935819146594
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 24684791 , 49369582 , 98739164 , 123423955 , 197478328 , 246847910 , 493695820 , 987391640
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
-987391639
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 987391640 can be divided by 16 positive divisors.
The sum of these divisors (counting 987391640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010110110100110011010011000
3
Ternary
2112210221200200202
4
Quaternary
322312212122120
5
Quinary
4010233013030
6
Senary
241551121332
8
Octal
7266463230
10
Decimal
987391640
12
Duodecimal
236813248
16
Hexadecimal
3ada6698
20
Vigesimal
f8b3j20
36
Base36
gbv89k
md5
31e76f8b403f2d3ae1fa86ec2b6bab38
sha1
e19863d6d32948b7f48632a0d8fd1230617c6222
sha256
61a0f452ec5be133dd349966a734244762694f414036bc82996f8ee2623616d2
sha512
3fe405f3acb0d9faaae96244ef6303f8ab567e723a11c3d7b238ce245cbe7286b3e5b0b9ed44b9b5f14aed2fd2ec7badaba58d0a4749fc7822f10cb1340bc187
ripemd-160
402317812746a44d79e68f1b8ac99a449c42220d
Diameter
1974783280
Circumference
6203964644.88
Area
3.062871412605E+18
Volume
4.0323381696016E+27
Surface area
1.225148565042E+19
Circumference
6203964644.88
Perimeter
3949566560
Area
974942250741889600
Diagonal
1396382648.6618
Surface area
5849653504451337600
Volume
9.6264982786533E+26
Space diagonal
1710212487.4488
Perimeter
2962174920
Area
4.2216237818263E+17
Altitude
855106243.72438
Surface area
4.2216237818263E+17
Volume
1.1344937019861E+26
Height
465460882.88727