987405989 is an odd 9-digits prime number following 987405988
and preceding 987405990 . In scientific notation, it is written as 9.87405989 × 10^8.
The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors.
There are 987405988 positive integers (up to 987405989) that are relatively prime to 987405989.
987405989 has 2 divisors, whose sum is 987405990
The reverse of 987405989 is 989504789
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
nine hundred eighty-seven million four hundred five thousand nine hundred eighty-nine
Scientific notation
9.87405989 × 10^8
Engineering notation
9.87405989 × 10^6
Prime Factorization
987405989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
987405989
Product of the distinct prime numbers
The prime factorization of 987405989 is 987405989.
Since it has a total of 1 prime factors.
6 , 4 , 70 , 45 , 359 , 921 , 3442 , 9392 , 22581 , 45315 , 403238 , 749700 , 1985681 , 8249587 , 27099471 , 80500937 , 254268629 , 838171216 , 1813456515 , 9301797787
n×2
1974811978
n×3
2962217967
n×4
3949623956
n×5
4937029945
n÷2
493702994.5
n÷3
329135329.66667
n÷3
246851497.25
n÷5
197481197.8
n2
974970587113068121
n3
9.6269179681429E+26
n4
9.505676457356E+35
n5
9.3859618634896E+44
2 √n
31423.016866622
3 √n
995.78424874962
4 √n
177.26538541583
5 √n
62.93600206506
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
987405990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
493702995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
31423.016882534
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999979745
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987405989 can be divided by 2 positive divisors.
The sum of these divisors (counting 987405989) is 987405990, the average is 493702995.
Base
System
Value
2
Binary
111010110110101001111010100101
3
Ternary
2112210222102101012
4
Quaternary
322312221322211
5
Quinary
4010233442424
6
Senary
241551312005
8
Octal
7266517245
10
Decimal
987405989
12
Duodecimal
23681b605
16
Hexadecimal
3ada9ea5
20
Vigesimal
f8b5ej9
36
Base36
gbvjc5
md5
6d23d94900bf2e05e9798d6e3d0a5f2c
sha1
1bd1abd614097c7e0abe3e6e5404befb6c80b2a6
sha256
84d7aade9f29fb57d7a8096bc4605762c62be5cc1c0866d43fa04b9e9a95ab9b
sha512
ba4c03622d7fc71ff23fb4e339c61df944052e9a4abde8b4e44b0143388ae20135b220cc8dea26952e04e6f58328ace409b01ce4bb8812489899f46b35e6f57d
ripemd-160
af52a89d3cb835d1b09e2168c750b14c350b76ad
Diameter
1974811978
Circumference
6204054802.3059
Area
3.0629604339405E+18
Volume
4.0325139687239E+27
Surface area
1.2251841735762E+19
Circumference
6204054802.3059
Perimeter
3949623956
Area
974970587113068121
Diagonal
1396402941.2122
Surface area
5849823522678408726
Volume
9.6269179681429E+26
Space diagonal
1710237340.6458
Perimeter
2962217967
Area
4.2217464819127E+17
Altitude
855118670.3229
Surface area
4.2217464819127E+17
Volume
1.1345431628667E+26
Height
465467647.07074