987691321 is an odd 9-digits composite number following 987691320
and preceding 987691322 . In scientific notation, it is written as 9.87691321 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 971499600 positive integers (up to 987691321) that are relatively prime to 987691321.
987691321 has 4 divisors, whose sum is 1003883044
The reverse of 987691321 is 123196789
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
nine hundred eighty-seven million six hundred ninety-one thousand three hundred twenty-one
Scientific notation
9.87691321 × 10^8
Engineering notation
9.87691321 × 10^6
Prime Factorization
61 × 16191661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987691321
Product of the distinct prime numbers
The prime factorization of 987691321 is 61 × 16191661.
Since it has a total of 2 prime factors.
2 , 7 , 22 , 3 , 821 , 727 , 9313 , 6314 , 39400 , 85540 , 909662 , 752368 , 7705349 , 7112204 , 72725788 , 13800593 , 558537998 , 881273924 , 9456515980 , 9091455187
n×2
1975382642
n×3
2963073963
n×4
3950765284
n×5
4938456605
n÷2
493845660.5
n÷3
329230440.33333
n÷3
246922830.25
n÷5
197538264.2
n2
975534145578725041
n3
9.6352660892726E+26
n4
9.5166686919001E+35
n5
9.3995310718222E+44
2 √n
31427.556713814
3 √n
995.88015720418
4 √n
177.2781901809
5 √n
62.939638984463
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
-987691320
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 987691321 can be divided by 4 positive divisors.
The sum of these divisors (counting 987691321) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010110111101111100100111001
3
Ternary
2112211111220210001
4
Quaternary
322313233210321
5
Quinary
4010322110241
6
Senary
242001353001
8
Octal
7267574471
10
Decimal
987691321
12
Duodecimal
236938761
16
Hexadecimal
3adef939
20
Vigesimal
f8d1861
36
Base36
gc1ni1
md5
f41db0d4a4ef1aa9ce0c37916b08cee1
sha1
8f93b6af3a83e2e4458ccd1396b3f0d6ae66e149
sha256
893d7c84a367e12a7c52ac0adc28f445fafb2930a571c70c8333c6e524957a08
sha512
44173733b3993a175a95866c78840cfaab7fe1321040b999c9e2ad0ece92cc3e4030d0e152911f168e0e116ab790ca6aea0638fad5f38bd7b091e8bf30c52d66
ripemd-160
839e00204401bec4e258b80bd67a6df8f39f313f
Diameter
1975382642
Circumference
6205847596.136
Area
3.0647309050761E+18
Volume
4.0360108215255E+27
Surface area
1.2258923620304E+19
Circumference
6205847596.136
Perimeter
3950765284
Area
975534145578725041
Diagonal
1396806461.5964
Surface area
5853204873472350246
Volume
9.6352660892726E+26
Space diagonal
1710731550.1668
Perimeter
2963073963
Area
4.2241867616516E+17
Altitude
855365775.08341
Surface area
4.2241867616516E+17
Volume
1.1355269983769E+26
Height
465602153.86547