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

21405907 (number)

21405907 is an odd 8-digits composite number following 21405906 and preceding 21405908. In scientific notation, it is written as 2.1405907 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20146720 positive integers (up to 21405907) that are relatively prime to 21405907.

Interesting facts

21405907 has 4 divisors, whose sum is 22665096
The reverse of 21405907 is 70950412
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million four hundred five thousand nine hundred seven

Notation

Scientific notation	2.1405907 × 10^7
Engineering notation	2.1405907 × 10^6

Prime Factorization of 21405907

Prime Factorization 17 × 1259171

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21405907	Product of the distinct prime numbers

The prime factorization of 21405907 is 17 × 1259171. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 14, 54, 79, 113, 9470, 9093, 97882, 17687, 119441, 574859, 8285832, 1394577, 45449048, 62696971, 474220866, 888751406, 2773743075, 7176891787

Basic calculations (n = 21405907)

Multiplication

n×y

n×2	42811814
n×3	64217721
n×4	85623628
n×5	107029535

Division

n÷y

n÷2	10702953.5
n÷3	7135302.3333333
n÷3	5351476.75
n÷5	4281181.4

Exponentiation

n^y

n²	458212854492649
n³	9.8084617494742E+21
n⁴	2.099590200223E+29
n⁵	4.4943632564085E+36

Nth Root

^y√n

²√n	4626.6518131366
³√n	277.65865234536
⁴√n	68.019495831244
⁵√n	29.248710697492

Divisors of 21405907

1, 17, 1259171, 21405907

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	-21405906	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 21405907 can be divided by 4 positive divisors. The sum of these divisors (counting 21405907) is 1, the average is 0.25.

Base conversion 21405907

Base	System	Value
2	Binary	1010001101010000011010011
3	Ternary	1111021112101101
4	Quaternary	1101222003103
5	Quinary	20434442112
6	Senary	2042445231
8	Octal	121520323
10	Decimal	21405907
12	Duodecimal	7203817
16	Hexadecimal	146a0d3
20	Vigesimal	6dfef7
36	Base36	cqswj

Cryptographic Hash Functions

md5	c7bdd0abc1842a69b4dd2be260a235a4
sha1	90a0e91a7c0b754611caa8968a6c10a4967efae3
sha256	9f559e13ab53b361b2c59312d16ad2773a30ddbfa04e6893d41e4972ccc5e751
sha512	7588ceec34a7dc9341c288e804c5e0a6eb16b752035ea4f4b5beeda634eb46288191e0f9ab2fec59dad6c4f679f9c06c95c98554044b27fb14304c6d2809d87b
ripemd-160	4cc889b166c223befb3cd6b922e30e5b0e243a1e

21405907 as geometric shapes

Circle

Radius = n

Diameter	42811814
Circumference	134497280.34925
Area	1.4395181374545E+15

Sphere

Radius = n

Volume	4.1085588500219E+22
Surface area	5.7580725498181E+15
Circumference	134497280.34925

Square

Length = n

Perimeter	85623628
Area	458212854492649
Diagonal	30272523.994297

Cube

Length = n

Surface area	2749277126955894
Volume	9.8084617494742E+21
Space diagonal	37076118.506094

Equilateral Triangle

Length = n

Perimeter	64217721
Area	1.9841198616561E+14
Altitude	18538059.253047

Triangular Pyramid

Length = n

Surface area	1.9841198616561E+14
Volume	1.155938302677E+21
Height	10090841.331432