987998417 is an odd 9-digits composite number following 987998416
and preceding 987998418 . In scientific notation, it is written as 9.87998417 × 10^8.
The sum of its digits is 62. It has a total of 4 prime factors and 12 positive divisors.
There are 844706016 positive integers (up to 987998417) that are relatively prime to 987998417.
987998417 has 12 divisors, whose sum is 1152221940
The reverse of 987998417 is 714899789
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
nine hundred eighty-seven million nine hundred ninety-eight thousand four hundred seventeen
Scientific notation
9.87998417 × 10^8
Engineering notation
9.87998417 × 10^6
Prime Factorization
7 × 7 × 397 × 50789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
141142631
Product of the distinct prime numbers
The prime factorization of 987998417 is 7 × 7 × 397 × 50789.
Since it has a total of 4 prime factors.
9 , 8 , 72 , 74 , 673 , 489 , 3901 , 932 , 91781 , 97902 , 167968 , 187321 , 8957445 , 1502085 , 76433126 , 49964377 , 842734238 , 92884406 , 212753482 , 7639065984
n×2
1975996834
n×3
2963995251
n×4
3951993668
n×5
4939992085
n÷2
493999208.5
n÷3
329332805.66667
n÷3
246999604.25
n÷5
197599683.4
n2
976140871994505889
n3
9.6442563629957E+26
n4
9.5285100197819E+35
n5
9.4141528159132E+44
2 √n
31432.442110024
3 √n
995.98336054147
4 √n
177.29196854348
5 √n
62.943552374717
1 , 7 , 49 , 397 , 2779 , 19453 , 50789 , 355523 , 2488661 , 20163233 , 141142631 , 987998417
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987998416
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987998417 can be divided by 12 positive divisors.
The sum of these divisors (counting 987998417) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010111000111010100011010001
3
Ternary
2112212002112000222
4
Quaternary
322320322203101
5
Quinary
4010411422132
6
Senary
242012122425
8
Octal
7270724321
10
Decimal
987998417
12
Duodecimal
236a66415
16
Hexadecimal
3ae3a8d1
20
Vigesimal
f8ejg0h
36
Base36
gc88gh
md5
f81f43086425d5f1f6fbbafc8673ff95
sha1
d481f901769005bafde1e5204446029148aec967
sha256
cf4a4273b0c8e29d32a346e88aa7e84bbd062098135fd27a3b5060962913c7cd
sha512
3957e96726762a7caf58710516786918479b068a6f7712d19f829a0804cb2478a4a891997681e502dd1e828c657e8a368f9635011ba93e3f46bd2edbd74ad218
ripemd-160
31c007a6509f72ca19a4d362e40aac6d17d417e3
Diameter
1975996834
Circumference
6207777137.2111
Area
3.0666369923267E+18
Volume
4.0397766585765E+27
Surface area
1.2266547969307E+19
Circumference
6207777137.2111
Perimeter
3951993668
Area
976140871994505889
Diagonal
1397240760.9245
Surface area
5856845231967035334
Volume
9.6442563629957E+26
Space diagonal
1711263456.0416
Perimeter
2963995251
Area
4.2268139640977E+17
Altitude
855631728.02081
Surface area
4.2268139640977E+17
Volume
1.136586512296E+26
Height
465746920.30818