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

640147861 (number)

640147861 is an odd 9-digits composite number following 640147860 and preceding 640147862. In scientific notation, it is written as 6.40147861 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 619497900 positive integers (up to 640147861) that are relatively prime to 640147861.

Interesting facts

640147861 has 4 divisors, whose sum is 660797824
The reverse of 640147861 is 168741046
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1

Name

Name	six hundred forty million one hundred forty-seven thousand eight hundred sixty-one

Notation

Scientific notation	6.40147861 × 10^8
Engineering notation	6.40147861 × 10^6

Prime Factorization of 640147861

Prime Factorization 31 × 20649931

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	640147861	Product of the distinct prime numbers

The prime factorization of 640147861 is 31 × 20649931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 10, 48, 58, 493, 477, 3155, 275, 72500, 56643, 50154, 532815, 6159666, 7654292, 91901219, 35383893, 817439154, 18211334, 6475280975, 6846476621

Basic calculations (n = 640147861)

Multiplication

n×y

n×2	1280295722
n×3	1920443583
n×4	2560591444
n×5	3200739305

Division

n÷y

n÷2	320073930.5
n÷3	213382620.33333
n÷3	160036965.25
n÷5	128029572.2

Exponentiation

n^y

n²	409789283942875321
n³	2.6232573357675E+26
n⁴	1.6792725723441E+35
n⁵	1.0749827452221E+44

Nth Root

^y√n

²√n	25301.143472183
³√n	861.8402369166
⁴√n	159.06333163927
⁵√n	57.710662478039

Divisors of 640147861

1, 31, 20649931, 640147861

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	-640147860	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 640147861 can be divided by 4 positive divisors. The sum of these divisors (counting 640147861) is 1, the average is 0.25.

Base conversion 640147861

Base	System	Value
2	Binary	100110001001111110000110010101
3	Ternary	1122121112212210001
4	Quaternary	212021332012111
5	Quinary	2302334212421
6	Senary	143304331301
8	Octal	4611760625
10	Decimal	640147861
12	Duodecimal	15a473b31
16	Hexadecimal	2627e195
20	Vigesimal	a00i9d1
36	Base36	al4l91

Cryptographic Hash Functions

md5	1fc29f1b9fe89de12b0dd9fcd40be6b6
sha1	280924ea9d177c7f8eb4e440361b28a52f74f781
sha256	1c6e1fb913d5c00fa40c92c42674240259ec4d25bdc8ad0effd2ecd58374b27f
sha512	b8295c5d52a843ba588dff9af9dd933f4a237334a2286ec9c715268e603e0d8bee6d07f603c133e2c71f1d23c83c2570e6718db89c9fed8d32941c58a9a5ed17
ripemd-160	3ae3e02e6dcb03bbfc51deca480fcff8ec2231ea

640147861 as geometric shapes

Circle

Radius = n

Diameter	1280295722
Circumference	4022167634.6576
Area	1.2873910039548E+18

Sphere

Radius = n

Volume	1.0988274632697E+27
Surface area	5.149564015819E+18
Circumference	4022167634.6576

Square

Length = n

Perimeter	2560591444
Area	409789283942875321
Diagonal	905305786.95033

Cube

Length = n

Surface area	2458735703657251926
Volume	2.6232573357675E+26
Space diagonal	1108768619.6085

Equilateral Triangle

Length = n

Perimeter	1920443583
Area	1.7744396504658E+17
Altitude	554384309.80427

Triangular Pyramid

Length = n

Surface area	1.7744396504658E+17
Volume	3.0915384181976E+25
Height	301768595.65011