1921431491 (number)

1921431491 is an odd 10-digits composite number following 1921431490 and preceding 1921431492. In scientific notation, it is written as 1.921431491 × 10^9. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 1574596800 positive integers (up to 1921431491) that are relatively prime to 1921431491.

Interesting facts

Basic properties

Name

Name one billion nine hundred twenty-one million four hundred thirty-one thousand four hundred ninety-one

Notation

Scientific notation 1.921431491 × 10^9
Engineering notation 1.921431491 × 10^9

Prime Factorization of 1921431491

Prime Factorization 7 × 31 × 83 × 106681

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1921431491
Product of the distinct prime numbers

The prime factorization of 1921431491 is 7 × 31 × 83 × 106681. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 58, 30, 525, 864, 5833, 9079, 6660, 11671, 395661, 265993, 4570193, 7734671, 46557428, 26830463, 473909754, 50195830, 984935850, 8098826691

Basic calculations (n = 1921431491)

Multiplication

n×y
n×2 3842862982
n×3 5764294473
n×4 7685725964
n×5 9607157455

Division

n÷y
n÷2 960715745.5
n÷3 640477163.66667
n÷3 480357872.75
n÷5 384286298.2

Exponentiation

ny
n2 3691898974606483081
n3 7.0937309513995E+27
n4 1.36301180387E+37
n5 2.6189338025606E+46

Nth Root

y√n
2√n 43834.136138402
3√n 1243.2018128261
4√n 209.36603386988
5√n 71.899352755983

Divisors of 1921431491

1, 7, 31, 83, 217, 581, 2573, 18011, 106681, 746767, 3307111, 8854523, 23149777, 61981661, 274490213, 1921431491

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 -1921431490
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 1921431491 can be divided by 16 positive divisors. The sum of these divisors (counting 1921431491) is 1, the average is 0.0625.

Base conversion 1921431491

Base System Value
2 Binary 1110010100001101011011111000011
3 Ternary 11221220111211111022
4 Quaternary 1302201223133003
5 Quinary 12413341301431
6 Senary 514354540055
8 Octal 16241533703
10 Decimal 1921431491
12 Duodecimal 45759762b
16 Hexadecimal 7286b7c3
20 Vigesimal 1a08iieb
36 Base36 vryy0z

Cryptographic Hash Functions

md5 acb332675447a77b29ce95b2fc5c8bd7
sha1 fe1553da00d436e9e34aa3a93b64f28e59b23b2f
sha256 0b0e153b708a7bde7d0a52d36fe5b71e328c368ae2f19f99f9f32c3f95f59f6f
sha512 bbab10edd9b6bf0332fa028f9767bf22eb5319560a54c03b2774477ab31caaf65ef19c9d750204c8daf17bf4fc443f43695093d5013920d67ca88b4d70c55d0d
ripemd-160 52a34e36245a3ec9080d7f834c20278e26c03916

1921431491 as geometric shapes

Circle

Radius = n
Diameter 3842862982
Circumference 12072710113.003
Area 1.1598442696419E+19

Sphere

Radius = n
Volume 2.9714150724612E+28
Surface area 4.6393770785678E+19
Circumference 12072710113.003

Square

Length = n
Perimeter 7685725964
Area 3691898974606483081
Diagonal 2717314473.743

Cube

Length = n
Surface area 2.2151393847639E+19
Volume 7.0937309513995E+27
Space diagonal 3328016965.6748

Equilateral Triangle

Length = n
Perimeter 5764294473
Area 1.5986391501075E+18
Altitude 1664008482.8374

Triangular Pyramid

Length = n
Surface area 1.5986391501075E+18
Volume 8.3600420994125E+26
Height 905771491.24765