1211389989 (number)

1211389989 is an odd 10-digits composite number following 1211389988 and preceding 1211389990. In scientific notation, it is written as 1.211389989 × 10^9. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 807593324 positive integers (up to 1211389989) that are relatively prime to 1211389989.

Interesting facts

Basic properties

Name

Name one billion two hundred eleven million three hundred eighty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 1.211389989 × 10^9
Engineering notation 1.211389989 × 10^9

Prime Factorization of 1211389989

Prime Factorization 3 × 403796663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1211389989
Product of the distinct prime numbers

The prime factorization of 1211389989 is 3 × 403796663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 23, 60, 350, 812, 106, 4335, 41996, 99040, 130406, 276543, 1574408, 1892215, 29995608, 86586978, 514348008, 632916267, 6297467366, 1559081020

Basic calculations (n = 1211389989)

Multiplication

n×y
n×2 2422779978
n×3 3634169967
n×4 4845559956
n×5 6056949945

Division

n÷y
n÷2 605694994.5
n÷3 403796663
n÷3 302847497.25
n÷5 242277997.8

Exponentiation

ny
n2 1467465705449420121
n3 1.7776732647823E+27
n4 2.1534555966702E+36
n5 2.6086745515623E+45

Nth Root

y√n
2√n 34805.028214326
3√n 1066.0101179186
4√n 186.56105760401
5√n 65.562694821911

Divisors of 1211389989

1, 3, 403796663, 1211389989

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 -1211389988
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 1211389989 can be divided by 4 positive divisors. The sum of these divisors (counting 1211389989) is 1, the average is 0.25.

Base conversion 1211389989

Base System Value
2 Binary 1001000001101000101100000100101
3 Ternary 10010102102222122220
4 Quaternary 1020031011200211
5 Quinary 4440103434424
6 Senary 320112142553
8 Octal 11015054045
10 Decimal 1211389989
12 Duodecimal 299837a59
16 Hexadecimal 48345825
20 Vigesimal iib3ej9
36 Base36 k18ahx

Cryptographic Hash Functions

md5 9508460372ee1019bc6d247070e8f904
sha1 b68756dae62f3e1ec572e05dea09b963c6a99fb8
sha256 1ec6b5242ef807647e751fb4f11e739667ed4dc19abea3efc867cc255cc985ed
sha512 45c71e1b3ea941602895003c6dd11f1f71828c4d8d796e2a8c9005665f38a4e5fed50f0cb1c0635250e168584abcfe3313fd6e7bc1e058d298a9fab449274ca8
ripemd-160 29d56cd6204496de559aeca71472f9057c3bc71d

1211389989 as geometric shapes

Circle

Radius = n
Diameter 2422779978
Circumference 7611387780.1492
Area 4.6101794796349E+18

Sphere

Radius = n
Volume 7.4463003588305E+27
Surface area 1.8440717918539E+19
Circumference 7611387780.1492

Square

Length = n
Perimeter 4845559956
Area 1467465705449420121
Diagonal 1713164151.7668

Cube

Length = n
Surface area 8804794232696520726
Volume 1.7776732647823E+27
Space diagonal 2098189008.7283

Equilateral Triangle

Length = n
Perimeter 3634169967
Area 6.3543129005082E+17
Altitude 1049094504.3642

Triangular Pyramid

Length = n
Surface area 6.3543129005082E+17
Volume 2.0950080337693E+26
Height 571054717.2556