990508945 (number)

990508945 is an odd 9-digits composite number following 990508944 and preceding 990508946. In scientific notation, it is written as 9.90508945 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 792407152 positive integers (up to 990508945) that are relatively prime to 990508945.

Interesting facts

Basic properties

Name

Name nine hundred ninety million five hundred eight thousand nine hundred forty-five

Notation

Scientific notation 9.90508945 × 10^8
Engineering notation 9.90508945 × 10^6

Prime Factorization of 990508945

Prime Factorization 5 × 198101789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 990508945
Product of the distinct prime numbers

The prime factorization of 990508945 is 5 × 198101789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 38, 43, 115, 91, 1310, 9605, 30320, 75425, 419099, 868235, 8186166, 7858, 63288051, 68349693, 923156837, 275692982, 344096073, 4903905799

Basic calculations (n = 990508945)

Multiplication

n×y
n×2 1981017890
n×3 2971526835
n×4 3962035780
n×5 4952544725

Division

n÷y
n÷2 495254472.5
n÷3 330169648.33333
n÷3 247627236.25
n÷5 198101789

Exponentiation

ny
n2 981107970125013025
n3 9.7179622041962E+26
n4 9.6257284904282E+35
n5 9.5343701719105E+44

Nth Root

y√n
2√n 31472.352072891
3√n 996.82625298593
4√n 177.40448718364
5√n 62.975508130464

Divisors of 990508945

1, 5, 198101789, 990508945

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 -990508944
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 990508945 can be divided by 4 positive divisors. The sum of these divisors (counting 990508945) is 1, the average is 0.25.

Base conversion 990508945

Base System Value
2 Binary 111011000010011111011110010001
3 Ternary 2120000211001211111
4 Quaternary 323002133132101
5 Quinary 4012032241240
6 Senary 242142013321
8 Octal 7302373621
10 Decimal 990508945
12 Duodecimal 237877241
16 Hexadecimal 3b09f791
20 Vigesimal f9adc75
36 Base36 gdq1ld

Cryptographic Hash Functions

md5 bf80081788d0ef6814302a51a054846a
sha1 357fa01916f6bfcd6b7f14070aa4715e6c9099db
sha256 27faa0ea550746ff40af3539206333f2f2f768f487b5b526b97a0ce1aada2658
sha512 3d219a08ba6dbfc63be315e091376d6ababe53a03e9089a7d09c4f13c7f5eaebd8e78ca9934b6d82b1f51084dfca4e2e6902c3a0086afe51234690e7cf7cc7f1
ripemd-160 d1aff6ccd8cd4d2da380511ac2b9e783b57b07ac

990508945 as geometric shapes

Circle

Radius = n
Diameter 1981017890
Circumference 6223551249.854
Area 3.0822415913231E+18

Sphere

Radius = n
Volume 4.0706504891421E+27
Surface area 1.2328966365293E+19
Circumference 6223551249.854

Square

Length = n
Perimeter 3962035780
Area 981107970125013025
Diagonal 1400791183.6709

Cube

Length = n
Surface area 5886647820750078150
Volume 9.7179622041962E+26
Space diagonal 1715611818.0914

Equilateral Triangle

Length = n
Perimeter 2971526835
Area 4.2483221299182E+17
Altitude 857805909.04572

Triangular Pyramid

Length = n
Surface area 4.2483221299182E+17
Volume 1.1452728289836E+26
Height 466930394.55696