1287890992 (number)

1287890992 is an even 10-digits composite number following 1287890991 and preceding 1287890993. In scientific notation, it is written as 1.287890992 × 10^9. The sum of its digits is 55. It has a total of 6 prime factors and 20 positive divisors. There are 630244160 positive integers (up to 1287890992) that are relatively prime to 1287890992.

Interesting facts

Basic properties

Name

Name one billion two hundred eighty-seven million eight hundred ninety thousand nine hundred ninety-two

Notation

Scientific notation 1.287890992 × 10^9
Engineering notation 1.287890992 × 10^9

Prime Factorization of 1287890992

Prime Factorization 2 × 2 × 2 × 2 × 47 × 1712621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 160986374
Product of the distinct prime numbers

The prime factorization of 1287890992 is 2 × 2 × 2 × 2 × 47 × 1712621. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 5, 23, 30, 827, 107, 543, 6749, 9759, 24506, 319832, 896399, 5011151, 577703, 45867871, 18586303, 364222823, 574234590, 3208856757, 4790381824

Basic calculations (n = 1287890992)

Multiplication

n×y
n×2 2575781984
n×3 3863672976
n×4 5151563968
n×5 6439454960

Division

n÷y
n÷2 643945496
n÷3 429296997.33333
n÷3 321972748
n÷5 257578198.4

Exponentiation

ny
n2 1658663207274744064
n3 2.136177403411E+27
n4 2.7511636351669E+36
n5 3.5431988632495E+45

Nth Root

y√n
2√n 35887.198163133
3√n 1087.9936697656
4√n 189.43916744732
5√n 66.370611824277

Divisors of 1287890992

1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 1712621, 3425242, 6850484, 13700968, 27401936, 80493187, 160986374, 321972748, 643945496, 1287890992

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1287890991
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1287890992 can be divided by 20 positive divisors. The sum of these divisors (counting 1287890992) is 1, the average is 0.05.

Base conversion 1287890992

Base System Value
2 Binary 1001100110000111010100000110000
3 Ternary 10022202101122022101
4 Quaternary 1030300322200300
5 Quinary 10114200002432
6 Senary 331443550144
8 Octal 11460724060
10 Decimal 1287890992
12 Duodecimal 2bb38b354
16 Hexadecimal 4cc3a830
20 Vigesimal 1029679c
36 Base36 larz1s

Cryptographic Hash Functions

md5 d22fba1235ce5152d07cf57ac6afd859
sha1 db1e8242fb985043955aae91e39a58ec90f0a896
sha256 43684ab314256293d8ce2d9963de771088e027854da7150ec935787747e31a0f
sha512 35e01caf2985d61bae0e77f5ea90a5f41111cf49e3b683fc95449b981647ee57661b5abe0d49ea9cb60fa66ddfe1930bb76e47eb2ba7ad391eba4f7ab49d9e78
ripemd-160 659057497c4be2e386d2d9059cf2594995208640

1287890992 as geometric shapes

Circle

Radius = n
Diameter 2575781984
Circumference 8092057758.1833
Area 5.210844146754E+18

Sphere

Radius = n
Volume 8.9479989830939E+27
Surface area 2.0843376587016E+19
Circumference 8092057758.1833

Square

Length = n
Perimeter 5151563968
Area 1658663207274744064
Diagonal 1821352907.7445

Cube

Length = n
Surface area 9.9519792436485E+18
Volume 2.136177403411E+27
Space diagonal 2230692632.7543

Equilateral Triangle

Length = n
Perimeter 3863672976
Area 7.1822223691125E+17
Altitude 1115346316.3771

Triangular Pyramid

Length = n
Surface area 7.1822223691125E+17
Volume 2.5175092129489E+26
Height 607117635.91485