990646985 (number)

990646985 is an odd 9-digits composite number following 990646984 and preceding 990646986. In scientific notation, it is written as 9.90646985 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 742363776 positive integers (up to 990646985) that are relatively prime to 990646985.

Interesting facts

Basic properties

Name

Name nine hundred ninety million six hundred forty-six thousand nine hundred eighty-five

Notation

Scientific notation 9.90646985 × 10^8
Engineering notation 9.90646985 × 10^6

Prime Factorization of 990646985

Prime Factorization 5 × 19 × 89 × 117167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 990646985
Product of the distinct prime numbers

The prime factorization of 990646985 is 5 × 19 × 89 × 117167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 67, 92, 774, 454, 7725, 8512, 26946, 60405, 774980, 320803, 389233, 8037817, 15418610, 4305906, 747367767, 146195017, 5492404788, 9462600506

Basic calculations (n = 990646985)

Multiplication

n×y
n×2 1981293970
n×3 2971940955
n×4 3962587940
n×5 4953234925

Division

n÷y
n÷2 495323492.5
n÷3 330215661.66667
n÷3 247661746.25
n÷5 198129397

Exponentiation

ny
n2 981381448889590225
n3 9.722025734774E+26
n4 9.6310954822463E+35
n5 9.5410157017344E+44

Nth Root

y√n
2√n 31474.545032454
3√n 996.87255763398
4√n 177.41066775269
5√n 62.97726331998

Divisors of 990646985

1, 5, 19, 89, 95, 445, 1691, 8455, 117167, 585835, 2226173, 10427863, 11130865, 52139315, 198129397, 990646985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -990646984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 990646985 can be divided by 16 positive divisors. The sum of these divisors (counting 990646985) is 1, the average is 0.0625.

Base conversion 990646985

Base System Value
2 Binary 111011000011000001001011001001
3 Ternary 2120001002002012002
4 Quaternary 323003001023021
5 Quinary 4012101200420
6 Senary 242145000345
8 Octal 7303011311
10 Decimal 990646985
12 Duodecimal 2379230b5
16 Hexadecimal 3b0c12c9
20 Vigesimal f9bah95
36 Base36 gdt03t

Cryptographic Hash Functions

md5 62cbd0e09ba32d69e4ec6aeb4c152652
sha1 510def4f3040f76ad967e171d3fc3c1559df2308
sha256 1cc0c5e69376d2bda4f5217aeb7f64093211318ae66b89012679eb95ec6ecb51
sha512 25a14bb37c0242b3c5b4f26a8494244b8edf51d6915ff7569eebc308011c57084e13c90dbc39968d74569d1ba4340ed0bcd52849f2ff130b4254146969735ae0
ripemd-160 87f49818f0f8a12accf4dd6f65ccfce2bd012c69

990646985 as geometric shapes

Circle

Radius = n
Diameter 1981293970
Circumference 6224418580.7538
Area 3.0831007502008E+18

Sphere

Radius = n
Volume 4.0723526168503E+27
Surface area 1.2332403000803E+19
Circumference 6224418580.7538

Square

Length = n
Perimeter 3962587940
Area 981381448889590225
Diagonal 1400986401.711

Cube

Length = n
Surface area 5888288693337541350
Volume 9.722025734774E+26
Space diagonal 1715850910.3849

Equilateral Triangle

Length = n
Perimeter 2971940955
Area 4.2495063277058E+17
Altitude 857925455.19246

Triangular Pyramid

Length = n
Surface area 4.2495063277058E+17
Volume 1.1457517206548E+26
Height 466995467.23701