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

168991 (number)

168991 is an odd 6-digits prime number following 168990 and preceding 168992. In scientific notation, it is written as 1.68991 × 10^5. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 168990 positive integers (up to 168991) that are relatively prime to 168991.

Interesting facts

168991 has 2 divisors, whose sum is 168992
The reverse of 168991 is 199861
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 34
Digital Root 7

Name

Name	one hundred sixty-eight thousand nine hundred ninety-one

Notation

Scientific notation	1.68991 × 10^5
Engineering notation	1.68991 × 10^3

Prime Factorization of 168991

Prime Factorization 168991

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	168991	Product of the distinct prime numbers

The prime factorization of 168991 is 168991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 5, 73, 43, 582, 191, 2592, 7791, 49102, 21055, 322602, 439538, 2374137, 1653040, 4340254, 75891194, 541810387, 982440013, 7171119497, 8558896552

Basic calculations (n = 168991)

Multiplication

n×y

n×2	337982
n×3	506973
n×4	675964
n×5	844955

Division

n÷y

n÷2	84495.5
n÷3	56330.333333333
n÷3	42247.75
n÷5	33798.2

Exponentiation

n^y

n²	28557958081
n³	4826037894066271
n⁴	8.1555696975615E+20
n⁵	1.3782178787606E+26

Nth Root

^y√n

²√n	411.0851493304
³√n	55.28676668005
⁴√n	20.275234877318
⁵√n	11.106384771708

Divisors of 168991

1, 168991

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	168992	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	84496	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	411.08636562163	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999881651202	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168991 can be divided by 2 positive divisors. The sum of these divisors (counting 168991) is 168992, the average is 84496.

Base conversion 168991

Base	System	Value
2	Binary	101001010000011111
3	Ternary	22120210221
4	Quaternary	221100133
5	Quinary	20401431
6	Senary	3342211
8	Octal	512037
10	Decimal	168991
12	Duodecimal	81967
16	Hexadecimal	2941f
20	Vigesimal	1129b
36	Base36	3me7

Cryptographic Hash Functions

md5	25eadae944246096f11b4cfbb7efeb32
sha1	285c6aa4ffd54f4d5ddafe6523faceb2a7118cde
sha256	84a787f9aa83ca1396a024585ac4d158d400800f6ed37f1513093bdab34cc787
sha512	30e0c5da3711e2de7e955e031452d5d8ef168c8af140ba00017a83c534b59262bac6a147a24db6731897a524e07ecc79057c5872be44aa0f8c689e54de6355e7
ripemd-160	4d05ec81b278298a741a10cb63657a5389bf19aa

168991 as geometric shapes

Circle

Radius = n

Diameter	337982
Circumference	1061801.7682456
Area	89717471308.795

Sphere

Radius = n

Volume	2.0215260258593E+16
Surface area	358869885235.18
Circumference	1061801.7682456

Square

Length = n

Perimeter	675964
Area	28557958081
Diagonal	238989.36411899

Cube

Length = n

Surface area	171347748486
Volume	4826037894066271
Space diagonal	292700.99802187

Equilateral Triangle

Length = n

Perimeter	506973
Area	12365958589.179
Altitude	146350.49901094

Triangular Pyramid

Length = n

Surface area	12365958589.179
Volume	5.6875402019292E+14
Height	79663.121372997