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

25640981 (number)

25640981 is an odd 8-digits composite number following 25640980 and preceding 25640982. In scientific notation, it is written as 2.5640981 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 24132672 positive integers (up to 25640981) that are relatively prime to 25640981.

Interesting facts

25640981 has 4 divisors, whose sum is 27149292
The reverse of 25640981 is 18904652
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-five million six hundred forty thousand nine hundred eighty-one

Notation

Scientific notation	2.5640981 × 10^7
Engineering notation	2.5640981 × 10^6

Prime Factorization of 25640981

Prime Factorization 17 × 1508293

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	25640981	Product of the distinct prime numbers

The prime factorization of 25640981 is 17 × 1508293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 89, 93, 328, 855, 8336, 3283, 27816, 24507, 804131, 79668, 1094752, 5434931, 61107757, 1354766, 275765234, 308687956, 3459927965, 3965534128

Basic calculations (n = 25640981)

Multiplication

n×y

n×2	51281962
n×3	76922943
n×4	102563924
n×5	128204905

Division

n÷y

n÷2	12820490.5
n÷3	8546993.6666667
n÷3	6410245.25
n÷5	5128196.2

Exponentiation

n^y

n²	657459906642361
n³	1.6857916974479E+22
n⁴	4.3225352884218E+29
n⁵	1.1083404520225E+37

Nth Root

^y√n

²√n	5063.6924274683
³√n	294.87970197975
⁴√n	71.159626386514
⁵√n	30.324030680898

Divisors of 25640981

1, 17, 1508293, 25640981

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	-25640980	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 25640981 can be divided by 4 positive divisors. The sum of these divisors (counting 25640981) is 1, the average is 0.25.

Base conversion 25640981

Base	System	Value
2	Binary	1100001110100000000010101
3	Ternary	1210020200210222
4	Quaternary	1201310000111
5	Quinary	23031002411
6	Senary	2313324125
8	Octal	141640025
10	Decimal	25640981
12	Duodecimal	8706645
16	Hexadecimal	1874015
20	Vigesimal	805291
36	Base36	f9kph

Cryptographic Hash Functions

md5	a2553126304397ad9a408b5ba5fb4977
sha1	500240ed0bed524a70262d2359eb8df815c0248d
sha256	df88e8c6d1017cb75f84bd1c7f3d1d8406e7f00bcd345ac02f12db912977d5f1
sha512	0c1e6a2e838661ab590df061ce9870dcaf83bf9c5b8c3718496f22417cb2baa6e22b0c867fe6457468a5419bb5674b1ac3ac53177f3c5f38325806e1c51e4cf0
ripemd-160	25dc2f5677cf1cef7ecdac3f74fcccf062c4c776

25640981 as geometric shapes

Circle

Radius = n

Diameter	51281962
Circumference	161107035.08087
Area	2.0654712127375E+15

Sphere

Radius = n

Volume	7.0614277495798E+22
Surface area	8.2618848509499E+15
Circumference	161107035.08087

Square

Length = n

Perimeter	102563924
Area	657459906642361
Diagonal	36261823.082751

Cube

Length = n

Surface area	3944759439854166
Volume	1.6857916974479E+22
Space diagonal	44411481.847908

Equilateral Triangle

Length = n

Perimeter	76922943
Area	2.8468849056102E+14
Altitude	22205740.923954

Triangular Pyramid

Length = n

Surface area	2.8468849056102E+14
Volume	1.9867245682223E+21
Height	12087274.360917