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

87921 (number)

87921 is an odd 5-digits composite number following 87920 and preceding 87922. In scientific notation, it is written as 8.7921 × 10^4. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 58608 positive integers (up to 87921) that are relatively prime to 87921.

Interesting facts

87921 has 4 divisors, whose sum is 97700
The reverse of 87921 is 12978
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 27
Digital Root 9

Name

Name	eighty-seven thousand nine hundred twenty-one

Notation

Scientific notation	8.7921 × 10^4
Engineering notation	8.7921 × 10^3

Prime Factorization of 87921

Prime Factorization 9 × 9769

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	87921	Product of the distinct prime numbers

The prime factorization of 87921 is 9 × 9769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 96, 29, 344, 942, 8457, 8800, 66716, 51234, 456994, 70389, 9337433, 6135622, 60595333, 62800454, 651691061, 994340402, 8020614350, 4820305642

Basic calculations (n = 87921)

Multiplication

n×y

n×2	175842
n×3	263763
n×4	351684
n×5	439605

Division

n÷y

n÷2	43960.5
n÷3	29307
n÷3	21980.25
n÷5	17584.2

Exponentiation

n^y

n²	7730102241
n³	679638319130961
n⁴	5.9754480656313E+19
n⁵	5.2536736937837E+24

Nth Root

^y√n

²√n	296.51475511347
³√n	44.466287642552
⁴√n	17.219603802453
⁵√n	9.7458230939339

Divisors of 87921

1, 9, 9769, 87921

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	-87920	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 87921 can be divided by 4 positive divisors. The sum of these divisors (counting 87921) is 1, the average is 0.25.

Base conversion 87921

Base	System	Value
2	Binary	10101011101110001
3	Ternary	11110121100
4	Quaternary	111131301
5	Quinary	10303141
6	Senary	1515013
8	Octal	253561
10	Decimal	87921
12	Duodecimal	42a69
16	Hexadecimal	15771
20	Vigesimal	ajg1
36	Base36	1vu9

Cryptographic Hash Functions

md5	1001b01c69313d70bea406ff23c89396
sha1	e58f221072dcf89c8be0e68c7b9f8f4aa19c7851
sha256	1571e9fb60d6ac8e65646cad21b1fa15bcdfc3ec9574f1b02bd8a16787d87fc3
sha512	fc756241cd5382de7651531e94461286d5228e7ced7c3d1f2e730c00b6452b21b727dd868da9d6fd754582c1c6fc76592c260d5f3dead92aea84d0f54d7e0680
ripemd-160	cfd1990d5836fc538c40ad31f3cc126c3ee1b5e6

87921 as geometric shapes

Circle

Radius = n

Diameter	175842
Circumference	552423.93539254
Area	24284832411.824

Sphere

Radius = n

Volume	2.8468623339733E+15
Surface area	97139329647.294
Circumference	552423.93539254

Square

Length = n

Perimeter	351684
Area	7730102241
Diagonal	124339.0706174

Cube

Length = n

Surface area	46380613446
Volume	679638319130961
Space diagonal	152283.63905226

Equilateral Triangle

Length = n

Perimeter	263763
Area	3347232457.2785
Altitude	76141.819526132

Triangular Pyramid

Length = n

Surface area	3347232457.2785
Volume	80096144035288
Height	41446.356872468