990717257 is an odd 9-digits composite number following 990717256
and preceding 990717258 . In scientific notation, it is written as 9.90717257 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 984382464 positive integers (up to 990717257) that are relatively prime to 990717257.
990717257 has 6 divisors, whose sum is 997092558
The reverse of 990717257 is 752717099
Previous prime number is 157
Is Prime? no Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
nine hundred ninety million seven hundred seventeen thousand two hundred fifty-seven
Scientific notation
9.90717257 × 10^8
Engineering notation
9.90717257 × 10^6
Prime Factorization
157 × 157 × 40193
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
6310301 Product of the distinct prime numbers
The prime factorization of 990717257 is 157 × 157 × 40193.
Since it has a total of 3 prime factors.
8 , 7 , 100 , 37 , 969 , 288 , 7342 , 7981 , 67887 , 9563 , 838246 , 664369 , 8641343 , 6732756 , 92017933 , 85795305 , 397192745 , 827258024 , 4449689248 , 9900333147
n×2
1981434514
n×3
2972151771
n×4
3962869028
n×5
4953586285
n÷2
495358628.5
n÷3
330239085.66667
n÷3
247679314.25
n÷5
198143451.4
n2
981520683317604049
n3
9.7240947906518E+26
n4
9.6338285178026E+35
n5
9.5444001635657E+44
2 √n31475.66134333
3 √n996.89612828127
4 √n177.41381384585
5 √n62.978156758864
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-990717256 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990717257 can be divided by 6 positive divisors.
The sum of these divisors (counting 990717257) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111011000011010010010101001001
3
Ternary
2120001012122120202
4
Quaternary
323003102111021
5
Quinary
4012110423012
6
Senary
242150301545
8
Octal
7303222511
10
Decimal
990717257
12
Duodecimal
2379578b5
16
Hexadecimal
3b0d2549
20
Vigesimal
f9bjd2h
36
Base36
gduibt
md5
18233c1b2ec97cf999c6c6f005f6261b
sha1
320e0a42f95aadef6ef6ace737a3508f6dbb8c23
sha256
b9150a43f12a8df505c99bbe8283efa69dbb415a56d5adf6c8053a3f19963e79
sha512
0aeb213bc9ee55fbbd1681d593e099d33fd0f230479c25a77a66dbfa9d2879019643d49f56d70f9dd069d4fddb14f9f17b7e44444f23e40eb3f4903af9b22bb7
ripemd-160
393dbfe3bce30d99f0ead22da4fbcd512d354b0d
Diameter
1981434514
Circumference
6224860112.7517
Area
3.083538168057E+18
Volume
4.0732193009497E+27
Surface area
1.2334152672228E+19
Circumference
6224860112.7517
Perimeter
3962869028
Area
981520683317604049
Diagonal
1401085781.3265
Surface area
5889124099905624294
Volume
9.7240947906518E+26
Space diagonal
1715972625.0593
Perimeter
2972151771
Area
4.2501092304645E+17
Altitude
857986312.52964
Surface area
4.2501092304645E+17
Volume
1.1459955612284E+26
Height
467028593.77549