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

21354985 (number)

21354985 is an odd 8-digits composite number following 21354984 and preceding 21354986. In scientific notation, it is written as 2.1354985 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 17083984 positive integers (up to 21354985) that are relatively prime to 21354985.

Interesting facts

21354985 has 4 divisors, whose sum is 25625988
The reverse of 21354985 is 58945312
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million three hundred fifty-four thousand nine hundred eighty-five

Notation

Scientific notation	2.1354985 × 10^7
Engineering notation	2.1354985 × 10^6

Prime Factorization of 21354985

Prime Factorization 5 × 4270997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21354985	Product of the distinct prime numbers

The prime factorization of 21354985 is 5 × 4270997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 59, 30, 680, 121, 1367, 6370, 59644, 87957, 18362, 110004, 8411792, 375850, 85145271, 61543534, 882907707, 408829707, 862821633, 7772707625

Basic calculations (n = 21354985)

Multiplication

n×y

n×2	42709970
n×3	64064955
n×4	85419940
n×5	106774925

Division

n÷y

n÷2	10677492.5
n÷3	7118328.3333333
n÷3	5338746.25
n÷5	4270997

Exponentiation

n^y

n²	456035384350225
n³	9.7386287922683E+21
n⁴	2.0796827177946E+29
n⁵	4.4411593243262E+36

Nth Root

^y√n

²√n	4621.1454207804
³√n	277.4383056855
⁴√n	67.979007206493
⁵√n	29.23478162535

Divisors of 21354985

1, 5, 4270997, 21354985

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	-21354984	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 21354985 can be divided by 4 positive divisors. The sum of these divisors (counting 21354985) is 1, the average is 0.25.

Base conversion 21354985

Base	System	Value
2	Binary	1010001011101100111101001
3	Ternary	1111011221112101
4	Quaternary	1101131213221
5	Quinary	20431324420
6	Senary	2041413401
8	Octal	121354751
10	Decimal	21354985
12	Duodecimal	719a261
16	Hexadecimal	145d9e9
20	Vigesimal	6d9795
36	Base36	cppm1

Cryptographic Hash Functions

md5	117201a831295ed9940b81ed9f759b00
sha1	b1c841f4e0e0d8591932329ff2112ce7e6009304
sha256	700c81f86708857c183a343f8384f13a09ea2350ee488bb487c35f3ae7df65f0
sha512	73359ad1637dab62e90a3a85958776738cb97f1c4232347d96883da95753b58c8f283dde3be37bff58da56eba3d54389dade74993937d100545502c74f5878c4
ripemd-160	4d18ef14d932c9931ed1aa87e84a3577a97c74d5

21354985 as geometric shapes

Circle

Radius = n

Diameter	42709970
Circumference	134177327.98704
Area	1.4326774132517E+15

Sphere

Radius = n

Volume	4.0793072893104E+22
Surface area	5.7307096530067E+15
Circumference	134177327.98704

Square

Length = n

Perimeter	85419940
Area	456035384350225
Diagonal	30200509.411274

Cube

Length = n

Surface area	2736212306101350
Volume	9.7386287922683E+21
Space diagonal	36987919.014871

Equilateral Triangle

Length = n

Perimeter	64064955
Area	1.9746911393595E+14
Altitude	18493959.507436

Triangular Pyramid

Length = n

Surface area	1.9746911393595E+14
Volume	1.1477084097452E+21
Height	10066836.470425