1991569138 (number)

1991569138 is an even 10-digits composite number following 1991569137 and preceding 1991569139. In scientific notation, it is written as 1.991569138 × 10^9. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 918193536 positive integers (up to 1991569138) that are relatively prime to 1991569138.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million five hundred sixty-nine thousand one hundred thirty-eight

Notation

Scientific notation 1.991569138 × 10^9
Engineering notation 1.991569138 × 10^9

Prime Factorization of 1991569138

Prime Factorization 2 × 13 × 937 × 81749

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1991569138
Product of the distinct prime numbers

The prime factorization of 1991569138 is 2 × 13 × 937 × 81749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 25, 10, 313, 769, 3188, 7946, 69389, 60750, 487565, 616886, 3069174, 8915337, 57274656, 94746345, 570223252, 113621888, 9924805804, 9477426169

Basic calculations (n = 1991569138)

Multiplication

n×y
n×2 3983138276
n×3 5974707414
n×4 7966276552
n×5 9957845690

Division

n÷y
n÷2 995784569
n÷3 663856379.33333
n÷3 497892284.5
n÷5 398313827.6

Exponentiation

ny
n2 3966347631434063044
n3 7.8992555333435E+27
n4 1.5731913533383E+37
n5 3.1331193474769E+46

Nth Root

y√n
2√n 44627.000100836
3√n 1258.1481863446
4√n 211.25103573908
5√n 72.416757899294

Divisors of 1991569138

1, 2, 13, 26, 937, 1874, 12181, 24362, 81749, 163498, 1062737, 2125474, 76598813, 153197626, 995784569, 1991569138

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 -1991569137
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 1991569138 can be divided by 16 positive divisors. The sum of these divisors (counting 1991569138) is 1, the average is 0.0625.

Base conversion 1991569138

Base System Value
2 Binary 1110110101101001110111011110010
3 Ternary 12010210111012020221
4 Quaternary 1312231032323302
5 Quinary 13034320203023
6 Senary 525342123254
8 Octal 16655167362
10 Decimal 1991569138
12 Duodecimal 476b8052a
16 Hexadecimal 76b4eef2
20 Vigesimal 1b2762gi
36 Base36 wxq8ky

Cryptographic Hash Functions

md5 44c5c99eba4262852e3fdb10ebeb8153
sha1 f7119b6e9c92dbbadd93b3b78a183a0a2cba7978
sha256 a3bc2d78953713836710edb3d1237b00fe2337e4feb95cf77fae540596f6d181
sha512 1528d72a25580efa1ca88208f170b4bbe1146f118132aa05bb4a47a89a5601501ba5c849038a16663834ac120cf694580b5f39d14f378d8eb1c0a2d911b075e8
ripemd-160 75a755d69e3085a5daf7e1ec4be3587b0121e0af

1991569138 as geometric shapes

Circle

Radius = n
Diameter 3983138276
Circumference 12513397946.114
Area 1.2460648580497E+19

Sphere

Radius = n
Volume 3.3088324203174E+28
Surface area 4.9842594321986E+19
Circumference 12513397946.114

Square

Length = n
Perimeter 7966276552
Area 3966347631434063044
Diagonal 2816504085.3633

Cube

Length = n
Surface area 2.3798085788604E+19
Volume 7.8992555333435E+27
Space diagonal 3449498933.8022

Equilateral Triangle

Length = n
Perimeter 5974707414
Area 1.7174789045311E+18
Altitude 1724749466.9011

Triangular Pyramid

Length = n
Surface area 1.7174789045311E+18
Volume 9.3093619232542E+26
Height 938834695.1211