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

12961978 (number)

12961978 is an even 8-digits composite number following 12961977 and preceding 12961979. In scientific notation, it is written as 1.2961978 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 6480988 positive integers (up to 12961978) that are relatively prime to 12961978.

Interesting facts

12961978 has 4 divisors, whose sum is 19442970
The reverse of 12961978 is 87916921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twelve million nine hundred sixty-one thousand nine hundred seventy-eight

Notation

Scientific notation	1.2961978 × 10^7
Engineering notation	1.2961978 × 10^6

Prime Factorization of 12961978

Prime Factorization 2 × 6480989

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12961978	Product of the distinct prime numbers

The prime factorization of 12961978 is 2 × 6480989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 57, 70, 606, 306, 7170, 7902, 89738, 15464, 556272, 501949, 8037699, 80472, 85255071, 74610798, 337965310, 130171316, 106713644, 4183647523

Basic calculations (n = 12961978)

Multiplication

n×y

n×2	25923956
n×3	38885934
n×4	51847912
n×5	64809890

Division

n÷y

n÷2	6480989
n÷3	4320659.3333333
n÷3	3240494.5
n÷5	2592395.6

Exponentiation

n^y

n²	168012873672484
n³	2.1777791722595E+21
n⁴	2.8228325719686E+28
n⁵	3.658949369554E+35

Nth Root

^y√n

²√n	3600.2747117408
³√n	234.90400787488
⁴√n	60.002289220835
⁵√n	26.456613692674

Divisors of 12961978

1, 2, 6480989, 12961978

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	-12961977	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 12961978 can be divided by 4 positive divisors. The sum of these divisors (counting 12961978) is 1, the average is 0.25.

Base conversion 12961978

Base	System	Value
2	Binary	110001011100100010111010
3	Ternary	220101112111021
4	Quaternary	301130202322
5	Quinary	11304240403
6	Senary	1141453054
8	Octal	61344272
10	Decimal	12961978
12	Duodecimal	441118a
16	Hexadecimal	c5c8ba
20	Vigesimal	4104ii
36	Base36	7ptiy

Cryptographic Hash Functions

md5	9a0be46df013d8e5a14c8cba5afdf2a4
sha1	b6f430f5438674a00197e164a6e0d68e3ac7c42e
sha256	b103825f99d432caa491b79f311b057b7de52c691f1086c5cec8819b3ad8796e
sha512	2ae6d8f0bf20b3e13a9030bfd4ce52307e5bffeafae753096ed12bf477f83577821b3215b9b7beac63c9596b18d37d3f384d9a38ae7baf96abf237bcbb9e0860
ripemd-160	7e68f16ba8760e3115519305bb82bbacd1fe89e4

12961978 as geometric shapes

Circle

Radius = n

Diameter	25923956
Circumference	81442509.721585
Area	5.2782800963799E+14

Sphere

Radius = n

Volume	9.1222600649485E+21
Surface area	2.1113120385519E+15
Circumference	81442509.721585

Square

Length = n

Perimeter	51847912
Area	168012873672484
Diagonal	18331005.082782

Cube

Length = n

Surface area	1008077242034904
Volume	2.1777791722595E+21
Space diagonal	22450804.46259

Equilateral Triangle

Length = n

Perimeter	38885934
Area	72751708381598
Altitude	11225402.231295

Triangular Pyramid

Length = n

Surface area	72751708381598
Volume	2.5665373677192E+20
Height	6110335.0275939