987690745 is an odd 9-digits composite number following 987690744
and preceding 987690746 . In scientific notation, it is written as 9.87690745 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 790152592 positive integers (up to 987690745) that are relatively prime to 987690745.
987690745 has 4 divisors, whose sum is 1185228900
The reverse of 987690745 is 547096789
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
nine hundred eighty-seven million six hundred ninety thousand seven hundred forty-five
Scientific notation
9.87690745 × 10^8
Engineering notation
9.87690745 × 10^6
Prime Factorization
5 × 197538149
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987690745
Product of the distinct prime numbers
The prime factorization of 987690745 is 5 × 197538149.
Since it has a total of 2 prime factors.
8 , 8 , 23 , 85 , 369 , 651 , 6530 , 1038 , 55212 , 61404 , 92658 , 139591 , 9953238 , 2643139 , 50382384 , 13431359 , 769795917 , 217647821 , 4023182658 , 7902585730
n×2
1975381490
n×3
2963072235
n×4
3950762980
n×5
4938453725
n÷2
493845372.5
n÷3
329230248.33333
n÷3
246922686.25
n÷5
197538149
n2
975533007758655025
n3
9.6352492320524E+26
n4
9.5166464922665E+35
n5
9.3995036638483E+44
2 √n
31427.547549881
3 √n
995.87996361229
4 √n
177.2781643347
5 √n
62.939631643457
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
-987690744
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 987690745 can be divided by 4 positive divisors.
The sum of these divisors (counting 987690745) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010110111101111011011111001
3
Ternary
2112211111212222201
4
Quaternary
322313233123321
5
Quinary
4010322100440
6
Senary
242001350201
8
Octal
7267573371
10
Decimal
987690745
12
Duodecimal
236938361
16
Hexadecimal
3adef6f9
20
Vigesimal
f8d16h5
36
Base36
gc1n21
md5
2b7b96ea14022f763bb0145136f275ae
sha1
049e41e6261d4ebd168222db7181241580dfb765
sha256
691c76ca0c0f8396dfb59abe2ca8505528cb416d3deacf21c569d4af082f98f7
sha512
64f1626141175bdaa710d5440d696934958c581c98e8a4bca9d0f21f80819e16a247568671bd96fb3bc001bd7ab0ea2d8cd77931f3b34d014be9fdf9086e1efa
ripemd-160
8113e31421396672a86aff4fdc353cc90a40c8bf
Diameter
1975381490
Circumference
6205843977.0213
Area
3.0647273305089E+18
Volume
4.0360037603897E+27
Surface area
1.2258909322036E+19
Circumference
6205843977.0213
Perimeter
3950762980
Area
975533007758655025
Diagonal
1396805647.0094
Surface area
5853198046551930150
Volume
9.6352492320524E+26
Space diagonal
1710730552.5056
Perimeter
2963072235
Area
4.2241818347462E+17
Altitude
855365276.25278
Surface area
4.2241818347462E+17
Volume
1.1355250117345E+26
Height
465601882.33646