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

21087958 (number)

21087958 is an even 8-digits composite number following 21087957 and preceding 21087959. In scientific notation, it is written as 2.1087958 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10344984 positive integers (up to 21087958) that are relatively prime to 21087958.

Interesting facts

21087958 has 8 divisors, whose sum is 32228928
The reverse of 21087958 is 85978012
Previous prime number is 53

Basic properties

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

Name

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

Notation

Scientific notation	2.1087958 × 10^7
Engineering notation	2.1087958 × 10^6

Prime Factorization of 21087958

Prime Factorization 2 × 53 × 198943

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087958	Product of the distinct prime numbers

The prime factorization of 21087958 is 2 × 53 × 198943. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 70, 53, 428, 917, 9975, 2956, 51566, 97813, 254607, 966149, 997370, 8003256, 44642527, 64766340, 281323548, 99062508, 4780847226, 9739003196

Basic calculations (n = 21087958)

Multiplication

n×y

n×2	42175916
n×3	63263874
n×4	84351832
n×5	105439790

Division

n÷y

n÷2	10543979
n÷3	7029319.3333333
n÷3	5271989.5
n÷5	4217591.6

Exponentiation

n^y

n²	444701972609764
n³	9.3778565209119E+21
n⁴	1.9775984444302E+29
n⁵	4.1703512937008E+36

Nth Root

^y√n

²√n	4592.1626713347
³√n	276.27707070766
⁴√n	67.76549764692
⁵√n	29.161301666868

Divisors of 21087958

1, 2, 53, 106, 198943, 397886, 10543979, 21087958

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21087957	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087958 can be divided by 8 positive divisors. The sum of these divisors (counting 21087958) is 1, the average is 0.125.

Base conversion 21087958

Base	System	Value
2	Binary	1010000011100011011010110
3	Ternary	1110200101020111
4	Quaternary	1100130123112
5	Quinary	20344303313
6	Senary	2031553234
8	Octal	120343326
10	Decimal	21087958
12	Duodecimal	708b81a
16	Hexadecimal	141c6d6
20	Vigesimal	6bfjhi
36	Base36	cjzkm

Cryptographic Hash Functions

md5	a2a6c6261757a2127d0edfe9a28a46c4
sha1	670cd91fb1f73867356334ae6dd684ee4ef2b1e6
sha256	0fffe3946fdb2f3e0904eacde9305fe53949c34533a3156fddb2b5df5dccd5c0
sha512	606a9f29c1abaaa58d8de9fe670c1ebbf405446cf296b711c2233508ac8413aaa937aae62bb5d4c422e65f983da7b94ecbb34f39ec6f8130dd28d3593c248cda
ripemd-160	9878d1d0f73efb968e0140c6e9532dd4053dd295

21087958 as geometric shapes

Circle

Radius = n

Diameter	42175916
Circumference	132499547.86402
Area	1.3970724501877E+15

Sphere

Radius = n

Volume	3.9281873536688E+22
Surface area	5.5882898007509E+15
Circumference	132499547.86402

Square

Length = n

Perimeter	84351832
Area	444701972609764
Diagonal	29822876.206354

Cube

Length = n

Surface area	2668211835658584
Volume	9.3778565209119E+21
Space diagonal	36525414.683879

Equilateral Triangle

Length = n

Perimeter	63263874
Area	1.9256160269655E+14
Altitude	18262707.341939

Triangular Pyramid

Length = n

Surface area	1.9256160269655E+14
Volume	1.1051909898219E+21
Height	9940958.7354514