Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

1397981 (number)

1397981 is an odd 7-digits composite number following 1397980 and preceding 1397982. In scientific notation, it is written as 1.397981 × 10^6. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 1265472 positive integers (up to 1397981) that are relatively prime to 1397981.

Interesting facts

1397981 has 8 divisors, whose sum is 1534680
The reverse of 1397981 is 1897931
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2

Name

Name	one million three hundred ninety-seven thousand nine hundred eighty-one

Notation

Scientific notation	1.397981 × 10^6
Engineering notation	1.397981 × 10^6

Prime Factorization of 1397981

Prime Factorization 13 × 53 × 2029

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1397981	Product of the distinct prime numbers

The prime factorization of 1397981 is 13 × 53 × 2029. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 23, 28, 945, 832, 8596, 914, 97796, 55939, 687279, 71801, 8903020, 9853868, 61619683, 14074747, 106675341, 180296034, 7265488806, 9942807854

Basic calculations (n = 1397981)

Multiplication

n×y

n×2	2795962
n×3	4193943
n×4	5591924
n×5	6989905

Division

n÷y

n÷2	698990.5
n÷3	465993.66666667
n÷3	349495.25
n÷5	279596.2

Exponentiation

n^y

n²	1954350876361
n³	2732145392486027141
n⁴	3.819487347933E+24
n⁵	5.3395707421507E+30

Nth Root

^y√n

²√n	1182.3624655747
³√n	111.81509136047
⁴√n	34.385497896275
⁵√n	16.947289714096

Divisors of 1397981

1, 13, 53, 689, 2029, 26377, 107537, 1397981

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1397980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1397981 can be divided by 8 positive divisors. The sum of these divisors (counting 1397981) is 1, the average is 0.125.

Base conversion 1397981

Base	System	Value
2	Binary	101010101010011011101
3	Ternary	2122000200002
4	Quaternary	11111103131
5	Quinary	324213411
6	Senary	45544045
8	Octal	5252335
10	Decimal	1397981
12	Duodecimal	575025
16	Hexadecimal	1554dd
20	Vigesimal	8eej1
36	Base36	tyot

Cryptographic Hash Functions

md5	e47ef7361380cd3ea192071a6226985f
sha1	6440d84068aeb3aaf449c2223cb72bb5ee6884e5
sha256	9d75a25f3be14f43c736edbb4b8f3837bca6e49ffc005251b75eec8149da6fa6
sha512	7d33b24b80c7a44f83835729058e487bb9e49ea9a0b4f25198a2fd7a5bd3586ebf206237660425c19e57354aafa134ee47d934990a6d8ac88e0dfe1245abf4ca
ripemd-160	d7188078e8d058205aa76d59e08a90489041c5e3

1397981 as geometric shapes

Circle

Radius = n

Diameter	2795962
Circumference	8783773.6789162
Area	6139774355712.5

Sphere

Radius = n

Volume	1.1444383858098E+19
Surface area	24559097422850
Circumference	8783773.6789162

Square

Length = n

Perimeter	5591924
Area	1954350876361
Diagonal	1977043.6901399

Cube

Length = n

Surface area	11726105258166
Volume	2732145392486027141
Space diagonal	2421374.1200159

Equilateral Triangle

Length = n

Perimeter	4193943
Area	846258753418.5
Altitude	1210687.060008

Triangular Pyramid

Length = n

Surface area	846258753418.5
Volume	3.2198642236908E+17
Height	659014.56337997