990765881 (number)

990765881 is an odd 9-digits composite number following 990765880 and preceding 990765882. In scientific notation, it is written as 9.90765881 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 829478160 positive integers (up to 990765881) that are relatively prime to 990765881.

Interesting facts

Basic properties

Name

Name nine hundred ninety million seven hundred sixty-five thousand eight hundred eighty-one

Notation

Scientific notation 9.90765881 × 10^8
Engineering notation 9.90765881 × 10^6

Prime Factorization of 990765881

Prime Factorization 7 × 43 × 3291581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 990765881
Product of the distinct prime numbers

The prime factorization of 990765881 is 7 × 43 × 3291581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 990765881)

Multiplication

n×y
n×2 1981531762
n×3 2972297643
n×4 3963063524
n×5 4953829405

Division

n÷y
n÷2 495382940.5
n÷3 330255293.66667
n÷3 247691470.25
n÷5 198153176.2

Exponentiation

ny
n2 981617030953706161
n3 9.7255266247745E+26
n4 9.6357199545837E+35
n5 9.5467425698724E+44

Nth Root

y√n
2√n 31476.433740181
3√n 996.91243709996
4√n 177.41599065524
5√n 62.978774935192

Divisors of 990765881

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -990765880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 990765881 can be divided by 8 positive divisors. The sum of these divisors (counting 990765881) is 1, the average is 0.125.

Base conversion 990765881

Base System Value
2 Binary 111011000011011110001100111001
3 Ternary 2120001022010021122
4 Quaternary 323003132030321
5 Quinary 4012114002011
6 Senary 242151315025
8 Octal 7303361471
10 Decimal 990765881
12 Duodecimal 23797ba75
16 Hexadecimal 3b0de339
20 Vigesimal f9c5ee1
36 Base36 gdvjuh

Cryptographic Hash Functions

md5 4e450c0456076b8cca13a82c9dd7c7c1
sha1 a3d87e2e4e4c76eac3f8f5740c496ec4c2b13f6f
sha256 00af79e0edb3072d059b044f00bca0630913e900a7e0f2b87923615127e668b3
sha512 03755a2c3955234905e0a67d1cacb0965ebcc29c545a9ec3f73f708e7362d324bcca7c5022eae9a49eb365d89479bb6e0cbf2dbec2e712e76272e96023651d3c
ripemd-160 df8f2aa96695e39c227a173f42dcd9940fbd0905

990765881 as geometric shapes

Circle

Radius = n
Diameter 1981531762
Circumference 6225165626.354
Area 3.0838408530828E+18

Sphere

Radius = n
Volume 4.0738190662245E+27
Surface area 1.2335363412331E+19
Circumference 6225165626.354

Square

Length = n
Perimeter 3963063524
Area 981617030953706161
Diagonal 1401154546.0467

Cube

Length = n
Surface area 5889702185722236966
Volume 9.7255266247745E+26
Space diagonal 1716056844.2977

Equilateral Triangle

Length = n
Perimeter 2972297643
Area 4.2505264279668E+17
Altitude 858028422.14887

Triangular Pyramid

Length = n
Surface area 4.2505264279668E+17
Volume 1.1461643044981E+26
Height 467051515.34891