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

77978021 (number)

77978021 is an odd 8-digits composite number following 77978020 and preceding 77978022. In scientific notation, it is written as 7.7978021 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 70889100 positive integers (up to 77978021) that are relatively prime to 77978021.

Interesting facts

77978021 has 4 divisors, whose sum is 85066944
The reverse of 77978021 is 12087977
Previous prime number is 11

Basic properties

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

Name

Name	seventy-seven million nine hundred seventy-eight thousand twenty-one

Notation

Scientific notation	7.7978021 × 10^7
Engineering notation	7.7978021 × 10^6

Prime Factorization of 77978021

Prime Factorization 11 × 7088911

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	77978021	Product of the distinct prime numbers

The prime factorization of 77978021 is 11 × 7088911. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 34, 84, 442, 527, 2037, 6791, 7462, 22467, 89793, 991387, 1129104, 2173641, 46894796, 62405045, 163787673, 894191220, 8729883571, 9883344168

Basic calculations (n = 77978021)

Multiplication

n×y

n×2	155956042
n×3	233934063
n×4	311912084
n×5	389890105

Division

n÷y

n÷2	38989010.5
n÷3	25992673.666667
n÷3	19494505.25
n÷5	15595604.2

Exponentiation

n^y

n²	6080571759076441
n³	4.7415095232127E+23
n⁴	3.6973352917278E+31
n⁵	2.8831088902239E+39

Nth Root

^y√n

²√n	8830.5164628124
³√n	427.22573244879
⁴√n	93.97082772229
⁵√n	37.878645596822

Divisors of 77978021

1, 11, 7088911, 77978021

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	-77978020	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 77978021 can be divided by 4 positive divisors. The sum of these divisors (counting 77978021) is 1, the average is 0.25.

Base conversion 77978021

Base	System	Value
2	Binary	100101001011101100110100101
3	Ternary	12102201200201212
4	Quaternary	10221131212211
5	Quinary	124430244041
6	Senary	11423201205
8	Octal	451354645
10	Decimal	77978021
12	Duodecimal	22146205
16	Hexadecimal	4a5d9a5
20	Vigesimal	1477511
36	Base36	1afc85

Cryptographic Hash Functions

md5	72d35a97da34f2951a143b853a39d777
sha1	4bddfb6744b0b0f461fd8d844361b2dd374a29a5
sha256	8f685b70df22a7b577364a3f9a1e1af957a7bd57d277290ff0a82b34c5ff4a2e
sha512	ead5ffc54b476f2d91ff73aa598cc77c56dc90b3469940bb2df8db891003bdf15c3d2c94ca9bde19e884c34dfffdfc0bf3fc3a66660fbc4be2fe94f747d4c712
ripemd-160	4c9c3e80725d613fdf7bc119877638dd09a5fc05

77978021 as geometric shapes

Circle

Radius = n

Diameter	155956042
Circumference	489950355.83014
Area	1.910267956794E+16

Sphere

Radius = n

Volume	1.9861188646735E+24
Surface area	7.641071827176E+16
Circumference	489950355.83014

Square

Length = n

Perimeter	311912084
Area	6080571759076441
Diagonal	110277574.86521

Cube

Length = n

Surface area	36483430554458646
Volume	4.7415095232127E+23
Space diagonal	135061894.24567

Equilateral Triangle

Length = n

Perimeter	233934063
Area	2.6329648064472E+15
Altitude	67530947.122836

Triangular Pyramid

Length = n

Surface area	2.6329648064472E+15
Volume	5.5879225615405E+22
Height	36759191.621738