990492721 (number)

990492721 is an odd 9-digits composite number following 990492720 and preceding 990492722. In scientific notation, it is written as 9.90492721 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 989632512 positive integers (up to 990492721) that are relatively prime to 990492721.

Interesting facts

Basic properties

Name

Name nine hundred ninety million four hundred ninety-two thousand seven hundred twenty-one

Notation

Scientific notation 9.90492721 × 10^8
Engineering notation 9.90492721 × 10^6

Prime Factorization of 990492721

Prime Factorization 1153 × 859057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 990492721
Product of the distinct prime numbers

The prime factorization of 990492721 is 1153 × 859057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 990492721)

Multiplication

n×y
n×2 1980985442
n×3 2971478163
n×4 3961970884
n×5 4952463605

Division

n÷y
n÷2 495246360.5
n÷3 330164240.33333
n÷3 247623180.25
n÷5 198098544.2

Exponentiation

ny
n2 981075830353983841
n3 9.7174846871465E+26
n4 9.6250978490476E+35
n5 9.5335893583944E+44

Nth Root

y√n
2√n 31472.094321796
3√n 996.82081046485
4√n 177.40376073183
5√n 62.97530182817

Divisors of 990492721

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 -990492720
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 990492721 can be divided by 4 positive divisors. The sum of these divisors (counting 990492721) is 1, the average is 0.25.

Base conversion 990492721

Base System Value
2 Binary 111011000010011011100000110001
3 Ternary 2120000210020120121
4 Quaternary 323002123200301
5 Quinary 4012031231341
6 Senary 242141410241
8 Octal 7302334061
10 Decimal 990492721
12 Duodecimal 237869981
16 Hexadecimal 3b09b831
20 Vigesimal f9abbg1
36 Base36 gdpp2p

Cryptographic Hash Functions

md5 4ab13077d133207b556175e31865e0a3
sha1 adff87d0804b44ad42ca955f47d74456d86dc4a4
sha256 49703da6c744207d765409ece48280a8f199d800290ae9ee62de2a13678d0568
sha512 185b868b00cbb51c4a3907c15cc0c95464634f4204783433dee9c1dc6400497c4a2ff8031abab7b3e8fb8e2ff81b3bf49de4de80d4ffacd23bb804c367ecaa20
ripemd-160 4f18bfe7b18d043136a04b969f2a44ae2d6dd1a5

990492721 as geometric shapes

Circle

Radius = n
Diameter 1980985442
Circumference 6223449311.4555
Area 3.0821406212546E+18

Sphere

Radius = n
Volume 4.0704504672681E+27
Surface area 1.2328562485018E+19
Circumference 6223449311.4555

Square

Length = n
Perimeter 3961970884
Area 981075830353983841
Diagonal 1400768239.47

Cube

Length = n
Surface area 5886454982123903046
Volume 9.7174846871465E+26
Space diagonal 1715583717.2991

Equilateral Triangle

Length = n
Perimeter 2971478163
Area 4.2481829606273E+17
Altitude 857791858.64957

Triangular Pyramid

Length = n
Surface area 4.2481829606273E+17
Volume 1.1452165530596E+26
Height 466922746.49001