1285998 (number)

1285998 is an even 7-digits composite number following 1285997 and preceding 1285999. In scientific notation, it is written as 1.285998 × 10^6. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 361152 positive integers (up to 1285998) that are relatively prime to 1285998.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-five thousand nine hundred ninety-eight

Notation

Scientific notation 1.285998 × 10^6
Engineering notation 1.285998 × 10^6

Prime Factorization of 1285998

Prime Factorization 2 × 21 × 67 × 457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1285998
Product of the distinct prime numbers

The prime factorization of 1285998 is 2 × 21 × 67 × 457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 66, 82, 893, 853, 8202, 1078, 56045, 84000, 284980, 723851, 120224, 1687945, 95719534, 66282979, 992626804, 941054244, 562703266, 1215627525

Basic calculations (n = 1285998)

Multiplication

n×y
n×2 2571996
n×3 3857994
n×4 5143992
n×5 6429990

Division

n÷y
n÷2 642999
n÷3 428666
n÷3 321499.5
n÷5 257199.6

Exponentiation

ny
n2 1653790856004
n3 2126771733239431992
n4 2.7350241954024E+24
n5 3.5172356452392E+30

Nth Root

y√n
2√n 1134.0185183673
3√n 108.74603499879
4√n 33.675191437723
5√n 16.666640149249

Divisors of 1285998

1, 2, 21, 42, 67, 134, 457, 914, 1407, 2814, 9597, 19194, 30619, 61238, 642999, 1285998

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 -1285997
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 1285998 can be divided by 16 positive divisors. The sum of these divisors (counting 1285998) is 1, the average is 0.0625.

Base conversion 1285998

Base System Value
2 Binary 100111001111101101110
3 Ternary 2102100001120
4 Quaternary 10321331232
5 Quinary 312122443
6 Senary 43321410
8 Octal 4717556
10 Decimal 1285998
12 Duodecimal 520266
16 Hexadecimal 139f6e
20 Vigesimal 80eji
36 Base36 rka6

Cryptographic Hash Functions

md5 873a823d5edc9a1efa745d51962eddb7
sha1 c1b47924efe6f6047282b7a32091e1a4fe7a429c
sha256 346e6f845f35e115b67246dffa8b974e8b90f120032a6c2ed0ee78dac50fe1bd
sha512 e35377ea013cf3adc77f73d37b9690abfeb3f8c6e8f99c025e842a134734f78e14df5bce17cea7882277f45d788588aefef2685a69c7cd5b1ff15042ff88d34e
ripemd-160 48ab02a8a6450c2b8f8cdbeaae712183a55d7941

1285998 as geometric shapes

Circle

Radius = n
Diameter 2571996
Circumference 8080163.7386623
Area 5195537203796.1

Sphere

Radius = n
Volume 8.9086006040099E+18
Surface area 20782148815185
Circumference 8080163.7386623

Square

Length = n
Perimeter 5143992
Area 1653790856004
Diagonal 1818675.8127847

Cube

Length = n
Surface area 9922745136024
Volume 2126771733239431992
Space diagonal 2227413.874432

Equilateral Triangle

Length = n
Perimeter 3857994
Area 716112446922.94
Altitude 1113706.937216

Triangular Pyramid

Length = n
Surface area 716112446922.94
Volume 2.5064245243491E+17
Height 606225.27092823