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

90816981 (number)

90816981 is an odd 8-digits composite number following 90816980 and preceding 90816982. In scientific notation, it is written as 9.0816981 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 58908240 positive integers (up to 90816981) that are relatively prime to 90816981.

Interesting facts

90816981 has 8 divisors, whose sum is 124362144
The reverse of 90816981 is 18961809
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	ninety million eight hundred sixteen thousand nine hundred eighty-one

Notation

Scientific notation	9.0816981 × 10^7
Engineering notation	9.0816981 × 10^6

Prime Factorization of 90816981

Prime Factorization 3 × 37 × 818171

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	90816981	Product of the distinct prime numbers

The prime factorization of 90816981 is 3 × 37 × 818171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 36, 31, 854, 641, 5118, 8514, 94217, 34528, 325996, 920448, 8198439, 6905797, 33327614, 66702051, 782847206, 107372784, 6592625581, 7186730859

Basic calculations (n = 90816981)

Multiplication

n×y

n×2	181633962
n×3	272450943
n×4	363267924
n×5	454084905

Division

n÷y

n÷2	45408490.5
n÷3	30272327
n÷3	22704245.25
n÷5	18163396.2

Exponentiation

n^y

n²	8247724037954361
n³	7.4903339724814E+23
n⁴	6.802495180625E+31
n⁵	6.1778207557141E+39

Nth Root

^y√n

²√n	9529.7943839309
³√n	449.49240048308
⁴√n	97.620665762588
⁵√n	39.051112629047

Divisors of 90816981

1, 3, 37, 111, 818171, 2454513, 30272327, 90816981

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	-90816980	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 90816981 can be divided by 8 positive divisors. The sum of these divisors (counting 90816981) is 1, the average is 0.125.

Base conversion 90816981

Base	System	Value
2	Binary	101011010011100000111010101
3	Ternary	20022212222110220
4	Quaternary	11122130013111
5	Quinary	141222120411
6	Senary	13002304553
8	Octal	532340725
10	Decimal	90816981
12	Duodecimal	264b8159
16	Hexadecimal	569c1d5
20	Vigesimal	187c291
36	Base36	1i2itx

Cryptographic Hash Functions

md5	d6a85a9e0a3d5c39b68d6380e54cbd98
sha1	b6fbf4e9dcb1c5b22b07af256146730327d13ffa
sha256	279484a654fd810ba28a08d4bee1fba7cc2b99508289f5728c8e52fec5929eb5
sha512	f2126f75fe16904224cfade5a8afaaea1557fa12da2c3b0e31236cae1519a19995c66b4793cddb674d51eed6c6820f893d3928f464640c1130c10dd6151d5779
ripemd-160	c76ac52b3534b99841caf30feb8288a382f87f3e

90816981 as geometric shapes

Circle

Radius = n

Diameter	181633962
Circumference	570619920.66161
Area	2.5910989246473E+16

Sphere

Radius = n

Volume	3.1375437574509E+24
Surface area	1.0364395698589E+17
Circumference	570619920.66161

Square

Length = n

Perimeter	363267924
Area	8247724037954361
Diagonal	128434606.22398

Cube

Length = n

Surface area	49486344227726166
Volume	7.4903339724814E+23
Space diagonal	157299625.28202

Equilateral Triangle

Length = n

Perimeter	272450943
Area	3.571369270136E+15
Altitude	78649812.641009

Triangular Pyramid

Length = n

Surface area	3.571369270136E+15
Volume	8.827443242156E+22
Height	42811535.407993