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

21454789 (number)

21454789 is an odd 8-digits composite number following 21454788 and preceding 21454790. In scientific notation, it is written as 2.1454789 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21300300 positive integers (up to 21454789) that are relatively prime to 21454789.

Interesting facts

21454789 has 4 divisors, whose sum is 21609280
The reverse of 21454789 is 98745412
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million four hundred fifty-four thousand seven hundred eighty-nine

Notation

Scientific notation	2.1454789 × 10^7
Engineering notation	2.1454789 × 10^6

Prime Factorization of 21454789

Prime Factorization 139 × 154351

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21454789	Product of the distinct prime numbers

The prime factorization of 21454789 is 139 × 154351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 25, 41, 176, 998, 801, 6797, 84733, 91282, 257175, 502646, 5449545, 8947813, 70314522, 75060391, 880045109, 626071223, 2883358216, 3438803164

Basic calculations (n = 21454789)

Multiplication

n×y

n×2	42909578
n×3	64364367
n×4	85819156
n×5	107273945

Division

n÷y

n÷2	10727394.5
n÷3	7151596.3333333
n÷3	5363697.25
n÷5	4290957.8

Exponentiation

n^y

n²	460307971034521
n³	9.8758103935638E+21
n⁴	2.1188342819792E+29
n⁵	4.545914244583E+36

Nth Root

^y√n

²√n	4631.9314545878
³√n	277.8698431481
⁴√n	68.058294531878
⁵√n	29.262056838811

Divisors of 21454789

1, 139, 154351, 21454789

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	-21454788	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 21454789 can be divided by 4 positive divisors. The sum of these divisors (counting 21454789) is 1, the average is 0.25.

Base conversion 21454789

Base	System	Value
2	Binary	1010001110101111111000101
3	Ternary	1111101000102211
4	Quaternary	1101311333011
5	Quinary	20443023124
6	Senary	2043503421
8	Octal	121657705
10	Decimal	21454789
12	Duodecimal	7227b71
16	Hexadecimal	1475fc5
20	Vigesimal	6e1gj9
36	Base36	crumd

Cryptographic Hash Functions

md5	15880abb1e898ee5e8f4b5584728fbba
sha1	09e64789d25f141a2bb8b21816bd50aaa83dd3c9
sha256	fa7263c6f746c6a23c452acd6e22c3b68039c1b000585407036ac720af7a1a83
sha512	89fa9f23c936c7456780071ed33b84e05be0b3f831a93d7616dc99363792f76da89e8e3b865c116bb1452b80ab6ef6172a846d521617f89b1b598e2551e8b3d4
ripemd-160	148ffa4972045b38eb592178b50844cf65485dcf

21454789 as geometric shapes

Circle

Radius = n

Diameter	42909578
Circumference	134804415.01344
Area	1.4461001401909E+15

Sphere

Radius = n

Volume	4.1367697840888E+22
Surface area	5.7844005607635E+15
Circumference	134804415.01344

Square

Length = n

Perimeter	85819156
Area	460307971034521
Diagonal	30341653.581653

Cube

Length = n

Surface area	2761847826207126
Volume	9.8758103935638E+21
Space diagonal	37160784.61367

Equilateral Triangle

Length = n

Perimeter	64364367
Area	1.9931919824018E+14
Altitude	18580392.306835

Triangular Pyramid

Length = n

Surface area	1.9931919824018E+14
Volume	1.1638754165003E+21
Height	10113884.527218