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

81489416 (number)

81489416 is an even 8-digits composite number following 81489415 and preceding 81489417. In scientific notation, it is written as 8.1489416 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 8 positive divisors. There are 40744704 positive integers (up to 81489416) that are relatively prime to 81489416.

Interesting facts

81489416 has 8 divisors, whose sum is 152792670
The reverse of 81489416 is 61498418
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	eighty-one million four hundred eighty-nine thousand four hundred sixteen

Notation

Scientific notation	8.1489416 × 10^7
Engineering notation	8.1489416 × 10^6

Prime Factorization of 81489416

Prime Factorization 2 × 2 × 2 × 10186177

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20372354	Product of the distinct prime numbers

The prime factorization of 81489416 is 2 × 2 × 2 × 10186177. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 92, 100, 468, 839, 2612, 6866, 74785, 2737, 855197, 271621, 6594009, 8986784, 53860794, 58548165, 739517754, 383641328, 2717393135, 6354861470

Basic calculations (n = 81489416)

Multiplication

n×y

n×2	162978832
n×3	244468248
n×4	325957664
n×5	407447080

Division

n÷y

n÷2	40744708
n÷3	27163138.666667
n÷3	20372354
n÷5	16297883.2

Exponentiation

n^y

n²	6640524920021056
n³	5.4113249766596E+23
n⁴	4.4096571213421E+31
n⁵	3.5934038357841E+39

Nth Root

^y√n

²√n	9027.148830057
³√n	433.54455396376
⁴√n	95.01130895876
⁵√n	38.21380130041

Divisors of 81489416

1, 2, 4, 8, 10186177, 20372354, 40744708, 81489416

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	-81489415	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 81489416 can be divided by 8 positive divisors. The sum of these divisors (counting 81489416) is 1, the average is 0.125.

Base conversion 81489416

Base	System	Value
2	Binary	100110110110110111000001000
3	Ternary	12200100002110112
4	Quaternary	10312312320020
5	Quinary	131330130131
6	Senary	12030333452
8	Octal	466667010
10	Decimal	81489416
12	Duodecimal	2335a288
16	Hexadecimal	4db6e08
20	Vigesimal	15963ag
36	Base36	1cilmw

Cryptographic Hash Functions

md5	0b9affad39373b2523588ecd5e9c7879
sha1	dd684efc51b7e5e542d5e5942f954f6d34055f86
sha256	6c6dee42f4daace3e07cbd5016bdaaafb3198851ee0f366aff5e76e7783ee3d7
sha512	66d3320fba09c09f16a0378a082de94318b065dc7745ed215a0b1b259b8bfc1a1ba12ed53bfc2a82b835f1ffa27232790fbfeb3ab01a3d4ad8d302b6220c6508
ripemd-160	3350e94f1f67e381d7c2ea201b0f06bec514c060

81489416 as geometric shapes

Circle

Radius = n

Diameter	162978832
Circumference	512013101.30185
Area	2.0861824304718E+16

Sphere

Radius = n

Volume	2.2666905057148E+24
Surface area	8.3447297218872E+16
Circumference	512013101.30185

Square

Length = n

Perimeter	325957664
Area	6640524920021056
Diagonal	115243437.29706

Cube

Length = n

Surface area	39843149520126336
Volume	5.4113249766596E+23
Space diagonal	141143808.79112

Equilateral Triangle

Length = n

Perimeter	244468248
Area	2.8754316376009E+15
Altitude	70571904.395558

Triangular Pyramid

Length = n

Surface area	2.8754316376009E+15
Volume	6.3773076436669E+22
Height	38414479.099021