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

68987 (number)

68987 is an odd 5-digits composite number following 68986 and preceding 68988. In scientific notation, it is written as 6.8987 × 10^4. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 68376 positive integers (up to 68987) that are relatively prime to 68987.

Interesting facts

68987 has 4 divisors, whose sum is 69600
The reverse of 68987 is 78986
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 38
Digital Root 2

Name

Name	sixty-eight thousand nine hundred eighty-seven

Notation

Scientific notation	6.8987 × 10^4
Engineering notation	6.8987 × 10^3

Prime Factorization of 68987

Prime Factorization 149 × 463

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	68987	Product of the distinct prime numbers

The prime factorization of 68987 is 149 × 463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 16, 56, 914, 534, 654, 8730, 11704, 95975, 194080, 594643, 9810524, 7897211, 15345434, 61521785, 915635697, 606669281, 8644091096, 1673703507

Basic calculations (n = 68987)

Multiplication

n×y

n×2	137974
n×3	206961
n×4	275948
n×5	344935

Division

n÷y

n÷2	34493.5
n÷3	22995.666666667
n÷3	17246.75
n÷5	13797.4

Exponentiation

n^y

n²	4759206169
n³	328323355980803
n⁴	2.2650043359048E+19
n⁵	1.5625585412106E+24

Nth Root

^y√n

²√n	262.65376448854
³√n	41.013083272576
⁴√n	16.206596326451
⁵√n	9.2843916407484

Divisors of 68987

1, 149, 463, 68987

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	-68986	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 68987 can be divided by 4 positive divisors. The sum of these divisors (counting 68987) is 1, the average is 0.25.

Base conversion 68987

Base	System	Value
2	Binary	10000110101111011
3	Ternary	10111122002
4	Quaternary	100311323
5	Quinary	4201422
6	Senary	1251215
8	Octal	206573
10	Decimal	68987
12	Duodecimal	33b0b
16	Hexadecimal	10d7b
20	Vigesimal	8c97
36	Base36	1h8b

Cryptographic Hash Functions

md5	d4fa68c995981c4ffa9aff9a4b7a1287
sha1	e30117b38c233f802df6b4811aec5c8d06a98c40
sha256	93165d3b3022bfc077e3f132b44e171fa508d4e2ee7f384646a1ac063b2b22cb
sha512	89f7d41004abc3893b685e7570ac3ddfb7bc5f3017979830ff77b708453e6d8ecd97bd4f2a71923f52c399609fd30608810d268c0b228407d7b33838368c39b1
ripemd-160	a98938ee846c8ae49d3b9128d8e92ae63bcfcd06

68987 as geometric shapes

Circle

Radius = n

Diameter	137974
Circumference	433458.1047864
Area	14951487137.45

Sphere

Radius = n

Volume	1.375277657535E+15
Surface area	59805948549.798
Circumference	433458.1047864

Square

Length = n

Perimeter	275948
Area	4759206169
Diagonal	97562.351027433

Cube

Length = n

Surface area	28555237014
Volume	328323355980803
Space diagonal	119488.98906175

Equilateral Triangle

Length = n

Perimeter	206961
Area	2060796722.1008
Altitude	59744.494530877

Triangular Pyramid

Length = n

Surface area	2060796722.1008
Volume	38693278572658
Height	32520.783675811