77881978 (number)

77881978 is an even 8-digits composite number following 77881977 and preceding 77881979. In scientific notation, it is written as 7.7881978 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 38511936 positive integers (up to 77881978) that are relatively prime to 77881978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7881978 × 10^7
Engineering notation 7.7881978 × 10^6

Prime Factorization of 77881978

Prime Factorization 2 × 139 × 433 × 647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 77881978
Product of the distinct prime numbers

The prime factorization of 77881978 is 2 × 139 × 433 × 647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 76, 76, 639, 497, 4292, 8029, 72081, 35232, 71932, 676767, 6910174, 7250295, 66548894, 46712212, 201166945, 408364943, 4078838112, 162376041

Basic calculations (n = 77881978)

Multiplication

n×y
n×2 155763956
n×3 233645934
n×4 311527912
n×5 389409890

Division

n÷y
n÷2 38940989
n÷3 25960659.333333
n÷3 19470494.5
n÷5 15576395.6

Exponentiation

ny
n2 6065602497192484
n3 4.7240112024309E+23
n4 3.6791533653948E+31
n5 2.865397414623E+39

Nth Root

y√n
2√n 8825.0766568909
3√n 427.05026036073
4√n 93.941879142855
5√n 37.869310216544

Divisors of 77881978

1, 2, 139, 278, 433, 647, 866, 1294, 60187, 89933, 120374, 179866, 280151, 560302, 38940989, 77881978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -77881977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 77881978 can be divided by 16 positive divisors. The sum of these divisors (counting 77881978) is 1, the average is 0.0625.

Base conversion 77881978

Base System Value
2 Binary 100101001000110001001111010
3 Ternary 12102112210222201
4 Quaternary 10221012021322
5 Quinary 124414210403
6 Senary 11421140414
8 Octal 451061172
10 Decimal 77881978
12 Duodecimal 220ba70a
16 Hexadecimal 4a4627a
20 Vigesimal 146f4ii
36 Base36 1ada4a

Cryptographic Hash Functions

md5 5c193a3bc2a39002aed84df8150dfe68
sha1 4484eb4e6cd7fc8c2b44313f9af4597fc98493da
sha256 7ce407c5e31fe6e26ea571faeb00eb571d56a30e4c66adf503260eb3f9c8d5c6
sha512 c3bc85064b1021ac27f91d3950546fed32a01f6d8b110dc0cc0255be1835559b8e414b5176cd3d20ebb648069f3b1f1f01412f1551318c943d344ac8483594ab
ripemd-160 5e916a4671923583522988c78ec9818b64529edb

77881978 as geometric shapes

Circle

Radius = n
Diameter 155763956
Circumference 489346899.86368
Area 1.9055652244776E+16

Sphere

Radius = n
Volume 1.9787891852044E+24
Surface area 7.6222608979103E+16
Circumference 489346899.86368

Square

Length = n
Perimeter 311527912
Area 6065602497192484
Diagonal 110141749.55204

Cube

Length = n
Surface area 36393614983154904
Volume 4.7240112024309E+23
Space diagonal 134895542.88996

Equilateral Triangle

Length = n
Perimeter 233645934
Area 2.6264829259135E+15
Altitude 67447771.444981

Triangular Pyramid

Length = n
Surface area 2.6264829259135E+15
Volume 5.5673005927335E+22
Height 36713916.517348