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

90131981 (number)

90131981 is an odd 8-digits composite number following 90131980 and preceding 90131982. In scientific notation, it is written as 9.0131981 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 87713280 positive integers (up to 90131981) that are relatively prime to 90131981.

Interesting facts

90131981 has 8 divisors, whose sum is 92561784
The reverse of 90131981 is 18913109
Previous prime number is 433

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	ninety million one hundred thirty-one thousand nine hundred eighty-one

Notation

Scientific notation	9.0131981 × 10^7
Engineering notation	9.0131981 × 10^6

Prime Factorization of 90131981

Prime Factorization 41 × 433 × 5077

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	90131981	Product of the distinct prime numbers

The prime factorization of 90131981 is 41 × 433 × 5077. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 67, 86, 986, 3, 9845, 8603, 15941, 65146, 750995, 125480, 4341971, 4830896, 15589436, 15519775, 477604944, 215931578, 7229641218, 6715931575

Basic calculations (n = 90131981)

Multiplication

n×y

n×2	180263962
n×3	270395943
n×4	360527924
n×5	450659905

Division

n÷y

n÷2	45065990.5
n÷3	30043993.666667
n÷3	22532995.25
n÷5	18026396.2

Exponentiation

n^y

n²	8123773998984361
n³	7.3221184372475E+23
n⁴	6.5995703986574E+31
n⁵	5.9483235377995E+39

Nth Root

^y√n

²√n	9493.786441668
³√n	448.35942702551
⁴√n	97.436063352683
⁵√n	38.992024371879

Divisors of 90131981

1, 41, 433, 5077, 17753, 208157, 2198341, 90131981

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	-90131980	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 90131981 can be divided by 8 positive divisors. The sum of these divisors (counting 90131981) is 1, the average is 0.125.

Base conversion 90131981

Base	System	Value
2	Binary	101010111110100111000001101
3	Ternary	20021121011211112
4	Quaternary	11113310320031
5	Quinary	141033210411
6	Senary	12535501405
8	Octal	527647015
10	Decimal	90131981
12	Duodecimal	26227865
16	Hexadecimal	55f4e0d
20	Vigesimal	18369j1
36	Base36	1hnua5

Cryptographic Hash Functions

md5	560a4b2e5d1abca8e3b0f2a8c3f81d68
sha1	b909d2195ce7070cc67ea287fe251540c983492f
sha256	b773f96b3c14f3f58d9a2ef51ac73e5746cedbb3345666f0f6640cfd691a9af2
sha512	f8e0e706a012cb6d202de6689a73cef8059b90739ebd272f318f0d8b0830e41a81fa81b105244e35c46ca7390527f7230cf7c855e1bba7ab8c81c2b5f118fe77
ripemd-160	bfae98036c2861c9b111b2a5c6d66291aec39cdb

90131981 as geometric shapes

Circle

Radius = n

Diameter	180263962
Circumference	566315938.72619
Area	2.5521588714633E+16

Sphere

Radius = n

Volume	3.0670817988228E+24
Surface area	1.0208635485853E+17
Circumference	566315938.72619

Square

Length = n

Perimeter	360527924
Area	8123773998984361
Diagonal	127465869.93375

Cube

Length = n

Surface area	48742643993906166
Volume	7.3221184372475E+23
Space diagonal	156113170.47883

Equilateral Triangle

Length = n

Perimeter	270395943
Area	3.517697328862E+15
Altitude	78056585.239416

Triangular Pyramid

Length = n

Surface area	3.517697328862E+15
Volume	8.6291993327146E+22
Height	42488623.311251