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

12937981 (number)

12937981 is an odd 8-digits composite number following 12937980 and preceding 12937982. In scientific notation, it is written as 1.2937981 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 11009088 positive integers (up to 12937981) that are relatively prime to 12937981.

Interesting facts

12937981 has 8 divisors, whose sum is 14893760
The reverse of 12937981 is 18973921
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twelve million nine hundred thirty-seven thousand nine hundred eighty-one

Notation

Scientific notation	1.2937981 × 10^7
Engineering notation	1.2937981 × 10^6

Prime Factorization of 12937981

Prime Factorization 7 × 139 × 13297

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12937981	Product of the distinct prime numbers

The prime factorization of 12937981 is 7 × 139 × 13297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 13, 86, 881, 109, 297, 9406, 78957, 20737, 502534, 27193, 6324405, 6972920, 86817081, 20223575, 368376202, 214416971, 3279618686, 2693609014

Basic calculations (n = 12937981)

Multiplication

n×y

n×2	25875962
n×3	38813943
n×4	51751924
n×5	64689905

Division

n÷y

n÷2	6468990.5
n÷3	4312660.3333333
n÷3	3234495.25
n÷5	2587596.2

Exponentiation

n^y

n²	167391352356361
n³	2.1657061363509E+21
n⁴	2.8019864843691E+28
n⁵	3.6252047897025E+35

Nth Root

^y√n

²√n	3596.9405054852
³√n	234.75895610069
⁴√n	59.974498793114
⁵√n	26.446810404439

Divisors of 12937981

1, 7, 139, 973, 13297, 93079, 1848283, 12937981

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	-12937980	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 12937981 can be divided by 8 positive divisors. The sum of these divisors (counting 12937981) is 1, the average is 0.125.

Base conversion 12937981

Base	System	Value
2	Binary	110001010110101011111101
3	Ternary	220100022120111
4	Quaternary	301112223331
5	Quinary	11303003411
6	Senary	1141150021
8	Octal	61265375
10	Decimal	12937981
12	Duodecimal	43bb311
16	Hexadecimal	c56afd
20	Vigesimal	40h4j1
36	Base36	7pb0d

Cryptographic Hash Functions

md5	629066cc9af208e5fe4c70a916f6f8e9
sha1	7e302ae2437dec022283faeff095aee714114dce
sha256	58fb2784a1779ee692fa20c6af2e34376f30569788e6a47544d66137394393c9
sha512	de2ec4ce6f9c728fbc8e06fa403869e2ab1da9786ff267e4aac44eb3e685e6e800fc3b1f44cb606968dd5b182620b74d895bb97500ba69bab9c10c1fe8bcbf1a
ripemd-160	f93a6f5d974b95b647097eb82a5c48aeb28283b0

12937981 as geometric shapes

Circle

Radius = n

Diameter	25875962
Circumference	81291732.123769
Area	5.258754428372E+14

Sphere

Radius = n

Volume	9.0716886503924E+21
Surface area	2.1035017713488E+15
Circumference	81291732.123769

Square

Length = n

Perimeter	51751924
Area	167391352356361
Diagonal	18297068.199925

Cube

Length = n

Surface area	1004348114138166
Volume	2.1657061363509E+21
Space diagonal	22409240.439361

Equilateral Triangle

Length = n

Perimeter	38813943
Area	72482581757220
Altitude	11204620.21968

Triangular Pyramid

Length = n

Surface area	72482581757220
Volume	2.5523091584517E+20
Height	6099022.7333085