1991367904 (number)

1991367904 is an even 10-digits composite number following 1991367903 and preceding 1991367905. In scientific notation, it is written as 1.991367904 × 10^9. The sum of its digits is 49. It has a total of 8 prime factors and 48 positive divisors. There are 986199552 positive integers (up to 1991367904) that are relatively prime to 1991367904.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million three hundred sixty-seven thousand nine hundred four

Notation

Scientific notation 1.991367904 × 10^9
Engineering notation 1.991367904 × 10^9

Prime Factorization of 1991367904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 607 × 157 × 653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 124460494
Product of the distinct prime numbers

The prime factorization of 1991367904 is 2 × 2 × 2 × 2 × 2 × 607 × 157 × 653. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991367904)

Multiplication

n×y
n×2 3982735808
n×3 5974103712
n×4 7965471616
n×5 9956839520

Division

n÷y
n÷2 995683952
n÷3 663789301.33333
n÷3 497841976
n÷5 398273580.8

Exponentiation

ny
n2 3965546129081353216
n3 7.896861283284E+27
n4 1.5725556101872E+37
n5 3.1315367693819E+46

Nth Root

y√n
2√n 44624.745422243
3√n 1258.1058092536
4√n 211.24569918046
5√n 72.415294399724

Divisors of 1991367904

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991367903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991367904 can be divided by 48 positive divisors. The sum of these divisors (counting 1991367904) is 1, the average is 0.020833333333333.

Base conversion 1991367904

Base System Value
2 Binary 1110110101100011101110011100000
3 Ternary 12010210002222012211
4 Quaternary 1312230131303200
5 Quinary 13034242233104
6 Senary 525333531504
8 Octal 16654356340
10 Decimal 1991367904
12 Duodecimal 476aa3b94
16 Hexadecimal 76b1dce0
20 Vigesimal 1b260jf4
36 Base36 wxlxb4

Cryptographic Hash Functions

md5 d9f0cb8edddc281de8bd5502c394437f
sha1 162b35ad166b86591c193e9115c2c581848eda8a
sha256 e66866b51a49c967149e61cbfd5f13217a7d09805d12d216897b587c0fc84cab
sha512 997f31a9b0c873e38b1ee2b90c2b382e88cc95dcd0e98d340d2a863040a2144f247ded77754386de9e7f5c1276342c7903fe6856b501838e78b8fd842460f87d
ripemd-160 7243dd1de6e86e64144bacc1fd3fef75458e65a6

1991367904 as geometric shapes

Circle

Radius = n
Diameter 3982735808
Circumference 12512133555.602
Area 1.2458130586593E+19

Sphere

Radius = n
Volume 3.3078295191977E+28
Surface area 4.9832522346374E+19
Circumference 12512133555.602

Square

Length = n
Perimeter 7965471616
Area 3965546129081353216
Diagonal 2816219497.5113

Cube

Length = n
Surface area 2.3793276774488E+19
Volume 7.896861283284E+27
Space diagonal 3449150386.2899

Equilateral Triangle

Length = n
Perimeter 5974103712
Area 1.7171318438317E+18
Altitude 1724575193.145

Triangular Pyramid

Length = n
Surface area 1.7171318438317E+18
Volume 9.3065402724994E+26
Height 938739832.50376