1991490285 (number)

1991490285 is an odd 10-digits composite number following 1991490284 and preceding 1991490286. In scientific notation, it is written as 1.991490285 × 10^9. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 1062128144 positive integers (up to 1991490285) that are relatively prime to 1991490285.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million four hundred ninety thousand two hundred eighty-five

Notation

Scientific notation 1.991490285 × 10^9
Engineering notation 1.991490285 × 10^9

Prime Factorization of 1991490285

Prime Factorization 15 × 132766019

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1991490285
Product of the distinct prime numbers

The prime factorization of 1991490285 is 15 × 132766019. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 71, 68, 749, 167, 9532, 7813, 56681, 30732, 647348, 75167, 6553278, 333142, 97369609, 11545373, 113763853, 932641272, 8394911116, 111420126

Basic calculations (n = 1991490285)

Multiplication

n×y
n×2 3982980570
n×3 5974470855
n×4 7965961140
n×5 9957451425

Division

n÷y
n÷2 995745142.5
n÷3 663830095
n÷3 497872571.25
n÷5 398298057

Exponentiation

ny
n2 3966033555249381225
n3 7.8983172952632E+27
n4 1.5729422161364E+37
n5 3.132499142302E+46

Nth Root

y√n
2√n 44626.116624685
3√n 1258.1315813359
4√n 211.24894467117
5√n 72.416184445032

Divisors of 1991490285

1, 15, 132766019, 1991490285

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 -1991490284
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 1991490285 can be divided by 4 positive divisors. The sum of these divisors (counting 1991490285) is 1, the average is 0.25.

Base conversion 1991490285

Base System Value
2 Binary 1110110101100111011101011101101
3 Ternary 12010210100012002110
4 Quaternary 1312230323223231
5 Quinary 13034310142120
6 Senary 525340314233
8 Octal 16654735355
10 Decimal 1991490285
12 Duodecimal 476b42979
16 Hexadecimal 76b3baed
20 Vigesimal 1b26g5e5
36 Base36 wxojql

Cryptographic Hash Functions

md5 d5a2936bdbcd5a864f9cc941e52414ff
sha1 761c45b182cd9ced5641657ff414383c31ee96d9
sha256 da0cdea58b7b5c213ea025ee30992ef5470e16f66d49adc59471647820b45dd0
sha512 4d84e8f1d3cef7b1e4beb627174364169a53dbeaa5f6f9e11b242220b9802057dc505ed7619334164da2269682a66ebb4fe5d341d471db3314cbf56fae6023e0
ripemd-160 e359718e846603f2b693c14418c7bdb9d68ea1dc

1991490285 as geometric shapes

Circle

Radius = n
Diameter 3982980570
Circumference 12512902498.103
Area 1.2459661881062E+19

Sphere

Radius = n
Volume 3.3084394120693E+28
Surface area 4.9838647524248E+19
Circumference 12512902498.103

Square

Length = n
Perimeter 7965961140
Area 3966033555249381225
Diagonal 2816392570.3813

Cube

Length = n
Surface area 2.3796201331496E+19
Volume 7.8983172952632E+27
Space diagonal 3449362356.3998

Equilateral Triangle

Length = n
Perimeter 5974470855
Area 1.7173429055537E+18
Altitude 1724681178.1999

Triangular Pyramid

Length = n
Surface area 1.7173429055537E+18
Volume 9.3082561990726E+26
Height 938797523.46042