990689968 is an even 9-digits composite number following 990689967
and preceding 990689969 . In scientific notation, it is written as 9.90689968 × 10^8.
The sum of its digits is 64. It has a total of 6 prime factors and 20 positive divisors.
There are 494650304 positive integers (up to 990689968) that are relatively prime to 990689968.
990689968 has 20 divisors, whose sum is 1922153760
The reverse of 990689968 is 869986099
Previous prime number is 719
Is Prime? no Number parity even Number length 9 Sum of Digits 64 Digital Root 1
Name
nine hundred ninety million six hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
9.90689968 × 10^8
Engineering notation
9.90689968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 719 × 86117
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
123836246 Product of the distinct prime numbers
The prime factorization of 990689968 is 2 × 2 × 2 × 2 × 719 × 86117.
Since it has a total of 6 prime factors.
4 , 3 , 61 , 32 , 83 , 531 , 2568 , 4562 , 25893 , 21105 , 773766 , 882856 , 1867818 , 900682 , 40061548 , 88748197 , 693407568 , 979478515 , 2723027257 , 381504447
n×2
1981379936
n×3
2972069904
n×4
3962759872
n×5
4953449840
n÷2
495344984
n÷3
330229989.33333
n÷3
247672492
n÷5
198137993.6
n2
981466612695841024
n3
9.7232912712471E+26
n4
9.6327671183665E+35
n5
9.5430857482459E+44
2 √n31475.227846673
3 √n996.8869751322
4 √n177.41259213109
5 √n62.977809812277
1 , 2 , 4 , 8 , 16 , 719 , 1438 , 2876 , 5752 , 11504 , 86117 , 172234 , 344468 , 688936 , 1377872 , 61918123 , 123836246 , 247672492 , 495344984 , 990689968
20 divisors
τ Total Divisors
20 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-990689967 Sum of the proper positive divisors of n
A Arithmetic Mean
0.05 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
20 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 990689968 can be divided by 20 positive divisors.
The sum of these divisors (counting 990689968) is 1, the average is 0.05.
Base
System
Value
2
Binary
111011000011001011101010110000
3
Ternary
2120001011021011001
4
Quaternary
323003023222300
5
Quinary
4012104034333
6
Senary
242145531344
8
Octal
7303135260
10
Decimal
990689968
12
Duodecimal
237943b54
16
Hexadecimal
3b0cbab0
20
Vigesimal
f9bg4i8
36
Base36
gdtx9s
md5
75f6a102abd9f7228d55803f6b8ab7d4
sha1
c4a2ae737919a95b657bb7cfe00ced913d4d8d22
sha256
a65778b38168a16da9deb81ebdef746e6ee460cc30feb09fb401c715172173b7
sha512
66a734a1a2b1608da729ac2b5d8c9cc467b07105264c9e0e9262b726cc78171be8432e55597bfe3ccf3a3d1dd23dbfd311416ceec6e0fd73bab2e885d76482f9
ripemd-160
fb90add5f2b7539cefa28bcffacd8fef2bb84077
Diameter
1981379936
Circumference
6224688650.9078
Area
3.0833683001889E+18
Volume
4.0728827235285E+27
Surface area
1.2333473200756E+19
Circumference
6224688650.9078
Perimeter
3962759872
Area
981466612695841024
Diagonal
1401047188.8526
Surface area
5888799676175046144
Volume
9.7232912712471E+26
Space diagonal
1715925359.1248
Perimeter
2972069904
Area
4.2498750978043E+17
Altitude
857962679.56239
Surface area
4.2498750978043E+17
Volume
1.1459008655585E+26
Height
467015729.61752