987693491 is an odd 9-digits prime number following 987693490
and preceding 987693492 . In scientific notation, it is written as 9.87693491 × 10^8.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 987693490 positive integers (up to 987693491) that are relatively prime to 987693491.
987693491 has 2 divisors, whose sum is 987693492
The reverse of 987693491 is 194396789
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 56 Digital Root 2
Name
nine hundred eighty-seven million six hundred ninety-three thousand four hundred ninety-one
Scientific notation
9.87693491 × 10^8
Engineering notation
9.87693491 × 10^6
Prime Factorization
987693491
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
987693491 Product of the distinct prime numbers
The prime factorization of 987693491 is 987693491.
Since it has a total of 1 prime factors.
9 , 3 , 79 , 86 , 284 , 326 , 5755 , 9326 , 47937 , 53380 , 61244 , 42147 , 1145269 , 478636 , 10440374 , 40286423 , 715088879 , 662302081 , 4723617365 , 2780000
n×2
1975386982
n×3
2963080473
n×4
3950773964
n×5
4938467455
n÷2
493846745.5
n÷3
329231163.66667
n÷3
246923372.75
n÷5
197538698.2
n2
975538432163767081
n3
9.635329596685E+26
n4
9.5167523262854E+35
n5
9.3996343281312E+44
2 √n31427.591237637
3 √n995.88088653405
4 √n177.27828755275
5 √n62.939666640654
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
987693492 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
493846746 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
31427.591253547 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999979751 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987693491 can be divided by 2 positive divisors.
The sum of these divisors (counting 987693491) is 987693492, the average is 493846746.
Base
System
Value
2
Binary
111010110111110000000110110011
3
Ternary
2112211112000202102
4
Quaternary
322313300012303
5
Quinary
4010322142431
6
Senary
242001411015
8
Octal
7267600663
10
Decimal
987693491
12
Duodecimal
236939a6b
16
Hexadecimal
3adf01b3
20
Vigesimal
f8d1deb
36
Base36
gc1p6b
md5
6eeaaa87309ac13651d79659a1486cfd
sha1
e8a4861ce4371032d73247901a382670fd37271c
sha256
7811643d43beab7e393945207329fd05f28c4b1ab8a869e25e77fe7a8bbd2bf5
sha512
113a8825f5054259cf30343191008793530dd5d267e27de9e19ad47ca3dd5029b3ef21dea19209c347d8594bcb3b8c62cb4328950dfb5101d183e38b4007973c
ripemd-160
0ab60319a7bcc690fd03112721f06aeeb6318911
Diameter
1975386982
Circumference
6205861230.6481
Area
3.0647443717802E+18
Volume
4.0360374234482E+27
Surface area
1.2258977487121E+19
Circumference
6205861230.6481
Perimeter
3950773964
Area
975538432163767081
Diagonal
1396809530.4398
Surface area
5853230592982602486
Volume
9.635329596685E+26
Space diagonal
1710735308.7171
Perimeter
2963080473
Area
4.2242053231093E+17
Altitude
855367654.35854
Surface area
4.2242053231093E+17
Volume
1.1355344827972E+26
Height
465603176.81328