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

21072487 (number)

21072487 is an odd 8-digits prime number following 21072486 and preceding 21072488. In scientific notation, it is written as 2.1072487 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21072486 positive integers (up to 21072487) that are relatively prime to 21072487.

Interesting facts

21072487 has 2 divisors, whose sum is 21072488
The reverse of 21072487 is 78427012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million seventy-two thousand four hundred eighty-seven

Notation

Scientific notation	2.1072487 × 10^7
Engineering notation	2.1072487 × 10^6

Prime Factorization of 21072487

Prime Factorization 21072487

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21072487	Product of the distinct prime numbers

The prime factorization of 21072487 is 21072487. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 8, 12, 80, 972, 939, 3412, 4867, 2636, 99652, 882865, 408006, 6559608, 8058653, 76963518, 57080947, 350564312, 779065813, 2183143701, 1792893802

Basic calculations (n = 21072487)

Multiplication

n×y

n×2	42144974
n×3	63217461
n×4	84289948
n×5	105362435

Division

n÷y

n÷2	10536243.5
n÷3	7024162.3333333
n÷3	5268121.75
n÷5	4214497.4

Exponentiation

n^y

n²	444049708365169
n³	9.3572317068788E+21
n⁴	1.9718014349919E+29
n⁵	4.1550760105448E+36

Nth Root

^y√n

²√n	4590.4778618353
³√n	276.20949140875
⁴√n	67.753065331653
⁵√n	29.157021622773

Divisors of 21072487

1, 21072487

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21072488	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10536244	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4590.4779707564	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999050895	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072487 can be divided by 2 positive divisors. The sum of these divisors (counting 21072487) is 21072488, the average is 10536244.

Base conversion 21072487

Base	System	Value
2	Binary	1010000011000101001100111
3	Ternary	1110122121000111
4	Quaternary	1100120221213
5	Quinary	20343304422
6	Senary	2031353451
8	Octal	120305147
10	Decimal	21072487
12	Duodecimal	7082887
16	Hexadecimal	1418a67
20	Vigesimal	6be147
36	Base36	cjnmv

Cryptographic Hash Functions

md5	2715958a0d8fd38c363a5fc80a5564c8
sha1	5e63a2a82cbc34bb6d34fd04de4df2db3ac8168f
sha256	6d89aa7ab8bb1810b8b8deac312cf4673bc612629ded9b0606097c43513d42c7
sha512	8eb24ca8986e6c74fdcf0d075e4d52a8bbe2dd7fdfbd9a137aab21219b0da0292099900b2ad6676bea06863e12f33e279254dc8fa19dd0b9b26112f1bc6143be
ripemd-160	b66d0a52a1891465d5de4c59eb35ebb8c89596c7

21072487 as geometric shapes

Circle

Radius = n

Diameter	42144974
Circumference	132402340.70413
Area	1.3950233016287E+15

Sphere

Radius = n

Volume	3.9195480517691E+22
Surface area	5.5800932065148E+15
Circumference	132402340.70413

Square

Length = n

Perimeter	84289948
Area	444049708365169
Diagonal	29800996.908331

Cube

Length = n

Surface area	2664298250191014
Volume	9.3572317068788E+21
Space diagonal	36498618.125835

Equilateral Triangle

Length = n

Perimeter	63217461
Area	1.9227916399365E+14
Altitude	18249309.062917

Triangular Pyramid

Length = n

Surface area	1.9227916399365E+14
Volume	1.102760332178E+21
Height	9933665.6361102