987391641 is an odd 9-digits composite number following 987391640
and preceding 987391642 . In scientific notation, it is written as 9.87391641 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 658261092 positive integers (up to 987391641) that are relatively prime to 987391641.
987391641 has 4 divisors, whose sum is 1316522192
The reverse of 987391641 is 146193789
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
nine hundred eighty-seven million three hundred ninety-one thousand six hundred forty-one
Scientific notation
9.87391641 × 10^8
Engineering notation
9.87391641 × 10^6
Prime Factorization
3 × 329130547
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987391641
Product of the distinct prime numbers
The prime factorization of 987391641 is 3 × 329130547.
Since it has a total of 2 prime factors.
10 , 2 , 65 , 27 , 214 , 131 , 3402 , 4451 , 10455 , 79004 , 416482 , 45639 , 1882682 , 283054 , 63039096 , 9385003 , 549091476 , 816144217 , 5321480161 , 2978458224
n×2
1974783282
n×3
2962174923
n×4
3949566564
n×5
4936958205
n÷2
493695820.5
n÷3
329130547
n÷3
246847910.25
n÷5
197478328.2
n2
974942252716672881
n3
9.6264983079015E+26
n4
9.5051239613226E+35
n5
9.3852799460788E+44
2 √n
31422.788561807
3 √n
995.77942547809
4 √n
177.26474145133
5 √n
62.935819159342
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987391640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987391641 can be divided by 4 positive divisors.
The sum of these divisors (counting 987391641) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010110110100110011010011001
3
Ternary
2112210221200200210
4
Quaternary
322312212122121
5
Quinary
4010233013031
6
Senary
241551121333
8
Octal
7266463231
10
Decimal
987391641
12
Duodecimal
236813249
16
Hexadecimal
3ada6699
20
Vigesimal
f8b3j21
36
Base36
gbv89l
md5
d5872c9660438afdd6a4dadb2394d95a
sha1
d2314df96ea90a2e8f5b1cb689422372741e1215
sha256
8a0468eff67ddaa933eca7615e0a88cf3eb0d97cfca570b86929db646f22dc34
sha512
72b9fdb8b17e4b1f0df6073f5d351bf38c8026772260fda64154a93c42ddcd4d6219e27cac1ef1761c52fe7529f8d3a93c46508032f28f406d4ff00ac6da4c6b
ripemd-160
ab6b91022e33977788646800bc0a2be3dfcc5b13
Diameter
1974783282
Circumference
6203964651.1631
Area
3.062871418809E+18
Volume
4.0323381818531E+27
Surface area
1.2251485675236E+19
Circumference
6203964651.1631
Perimeter
3949566564
Area
974942252716672881
Diagonal
1396382650.076
Surface area
5849653516300037286
Volume
9.6264983079015E+26
Space diagonal
1710212489.1808
Perimeter
2962174923
Area
4.2216237903773E+17
Altitude
855106244.5904
Surface area
4.2216237903773E+17
Volume
1.134493705433E+26
Height
465460883.35868