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

12751981 (number)

12751981 is an odd 8-digits composite number following 12751980 and preceding 12751982. In scientific notation, it is written as 1.2751981 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 11592700 positive integers (up to 12751981) that are relatively prime to 12751981.

Interesting facts

12751981 has 4 divisors, whose sum is 13911264
The reverse of 12751981 is 18915721
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	1.2751981 × 10^7
Engineering notation	1.2751981 × 10^6

Prime Factorization of 12751981

Prime Factorization 11 × 1159271

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12751981	Product of the distinct prime numbers

The prime factorization of 12751981 is 11 × 1159271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 90, 99, 399, 840, 4640, 8877, 33707, 2487, 654071, 462091, 7055802, 9300718, 50817401, 38878151, 233040067, 775269285, 2860973148, 8363115574

Basic calculations (n = 12751981)

Multiplication

n×y

n×2	25503962
n×3	38255943
n×4	51007924
n×5	63759905

Division

n÷y

n÷2	6375990.5
n÷3	4250660.3333333
n÷3	3187995.25
n÷5	2550396.2

Exponentiation

n^y

n²	162613019424361
n³	2.0736381340521E+21
n⁴	2.6442994086308E+28
n⁵	3.3720055817171E+35

Nth Root

^y√n

²√n	3570.991598982
³√n	233.62853498493
⁴√n	59.757774381096
⁵√n	26.370327982726

Divisors of 12751981

1, 11, 1159271, 12751981

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	-12751980	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 12751981 can be divided by 4 positive divisors. The sum of these divisors (counting 12751981) is 1, the average is 0.25.

Base conversion 12751981

Base	System	Value
2	Binary	110000101001010001101101
3	Ternary	212222212102121
4	Quaternary	300221101231
5	Quinary	11231030411
6	Senary	1133152541
8	Octal	60512155
10	Decimal	12751981
12	Duodecimal	432b751
16	Hexadecimal	c2946d
20	Vigesimal	3jdjj1
36	Base36	7lbhp

Cryptographic Hash Functions

md5	c81d2919f046953d182b9d6f1bc8c70c
sha1	4ed1bc2c24895f95c4f444fbf4000a88da619cb2
sha256	7fb69b7ff8e13adb92787bee5a67128f5def22cb15af1323a1b362034a4a1b01
sha512	5deb445735bb3cbf2705dbbda300fba33e125e7a03270db70a47dd75f1693e7badc537639b71b80677edc4c3492343b6cd924ec389252a314c6a94e3bf794ce0
ripemd-160	c8e611b83ae33224cc01b2fecd01d89e91b313aa

12751981 as geometric shapes

Circle

Radius = n

Diameter	25503962
Circumference	80123059.656633
Area	5.1086386720163E+14

Sphere

Radius = n

Volume	8.6860351041889E+21
Surface area	2.0434554688065E+15
Circumference	80123059.656633

Square

Length = n

Perimeter	51007924
Area	162613019424361
Diagonal	18034024.477324

Cube

Length = n

Surface area	975678116546166
Volume	2.0736381340521E+21
Space diagonal	22087078.989153

Equilateral Triangle

Length = n

Perimeter	38255943
Area	70413502903794
Altitude	11043539.494576

Triangular Pyramid

Length = n

Surface area	70413502903794
Volume	2.4438059771921E+20
Height	6011341.4924413