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

81421777 (number)

81421777 is an odd 8-digits composite number following 81421776 and preceding 81421778. In scientific notation, it is written as 8.1421777 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 79435840 positive integers (up to 81421777) that are relatively prime to 81421777.

Interesting facts

81421777 has 4 divisors, whose sum is 83407716
The reverse of 81421777 is 77712418
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million four hundred twenty-one thousand seven hundred seventy-seven

Notation

Scientific notation	8.1421777 × 10^7
Engineering notation	8.1421777 × 10^6

Prime Factorization of 81421777

Prime Factorization 41 × 1985897

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81421777	Product of the distinct prime numbers

The prime factorization of 81421777 is 41 × 1985897. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 39, 62, 415, 7, 2663, 1910, 45580, 87411, 802177, 92746, 3887198, 8021165, 96607366, 46854603, 276873756, 864587985, 5797491135, 2288265706

Basic calculations (n = 81421777)

Multiplication

n×y

n×2	162843554
n×3	244265331
n×4	325687108
n×5	407108885

Division

n÷y

n÷2	40710888.5
n÷3	27140592.333333
n÷3	20355444.25
n÷5	16284355.4

Exponentiation

n^y

n²	6629505769837729
n³	5.3978614041194E+23
n⁴	4.3950346752312E+31
n⁵	3.5785153323394E+39

Nth Root

^y√n

²√n	9023.401631314
³√n	433.42456849521
⁴√n	94.991587160727
⁵√n	38.207455440958

Divisors of 81421777

1, 41, 1985897, 81421777

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	-81421776	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 81421777 can be divided by 4 positive divisors. The sum of these divisors (counting 81421777) is 1, the average is 0.25.

Base conversion 81421777

Base	System	Value
2	Binary	100110110100110010111010001
3	Ternary	12200012122200101
4	Quaternary	10312212113101
5	Quinary	131320444102
6	Senary	12025052401
8	Octal	466462721
10	Decimal	81421777
12	Duodecimal	23327101
16	Hexadecimal	4da65d1
20	Vigesimal	158he8h
36	Base36	1ch5g1

Cryptographic Hash Functions

md5	b9e618a6f07f732139040d63da4235c2
sha1	205c80389f7bcf81c11c7405c535d07db6af6a71
sha256	3cfe21768fb7e4cfd5d93945fd923fbdf8018a9b2029169bacabb44f21d0ea92
sha512	f51bd8aef71413085470b72841767d72d1c5cef4368746ebeaa2fd97deecbd850303331458221a54682e1954a408e2c58a6fb2ddd5551223cfa7a1755f698ad0
ripemd-160	ff6f1f47a83c2033b98381b633c04a32b44af9e3

81421777 as geometric shapes

Circle

Radius = n

Diameter	162843554
Circumference	511588112.93085
Area	2.0827206623453E+16

Sphere

Radius = n

Volume	2.261050897637E+24
Surface area	8.3308826493813E+16
Circumference	511588112.93085

Square

Length = n

Perimeter	325687108
Area	6629505769837729
Diagonal	115147781.30592

Cube

Length = n

Surface area	39777034619026374
Volume	5.3978614041194E+23
Space diagonal	141026654.60654

Equilateral Triangle

Length = n

Perimeter	244265331
Area	2.8706602056075E+15
Altitude	70513327.303272

Triangular Pyramid

Length = n

Surface area	2.8706602056075E+15
Volume	6.3614406712633E+22
Height	38382593.768639