77777721 (number)

77777721 is an odd 8-digits composite number following 77777720 and preceding 77777722. In scientific notation, it is written as 7.7777721 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 44089920 positive integers (up to 77777721) that are relatively prime to 77777721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7777721 × 10^7
Engineering notation 7.7777721 × 10^6

Prime Factorization of 77777721

Prime Factorization 21 × 3 × 127 × 9721

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 77777721
Product of the distinct prime numbers

The prime factorization of 77777721 is 21 × 3 × 127 × 9721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 55, 65, 51, 525, 4129, 7522, 82529, 49771, 693952, 160277, 8974411, 7166253, 31616498, 74781245, 915928277, 892539479, 2242740724, 7927022911

Basic calculations (n = 77777721)

Multiplication

n×y
n×2 155555442
n×3 233333163
n×4 311110884
n×5 388888605

Division

n÷y
n÷2 38888860.5
n÷3 25925907
n÷3 19444430.25
n÷5 15555544.2

Exponentiation

ny
n2 6049373883953841
n3 4.7050651417085E+23
n4 3.6594924387863E+31
n5 2.8462698190553E+39

Nth Root

y√n
2√n 8819.167817884
3√n 426.85961779327
4√n 93.910424436715
5√n 37.859166004613

Divisors of 77777721

1, 3, 21, 63, 127, 381, 2667, 8001, 9721, 29163, 204141, 612423, 1234567, 3703701, 25925907, 77777721

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 -77777720
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 77777721 can be divided by 16 positive divisors. The sum of these divisors (counting 77777721) is 1, the average is 0.0625.

Base conversion 77777721

Base System Value
2 Binary 100101000101100101100111001
3 Ternary 12102100111222100
4 Quaternary 10220230230321
5 Quinary 124402341341
6 Senary 11415014013
8 Octal 450545471
10 Decimal 77777721
12 Duodecimal 2206a309
16 Hexadecimal 4a2cb39
20 Vigesimal 1462461
36 Base36 1ab1o9

Cryptographic Hash Functions

md5 6e761a58ceb6ff0c5d03a8c38970d7dd
sha1 a913a9d66feb3d9b65d17c76498eaf2cdedae1fa
sha256 0c65d3a0dd126a0d257298faba9fcd7fe6ec4af520474e8313ee6bbc6feed0d7
sha512 4b69ebd2c788a12e69ae042ad2a9ee62de3207d2b7d0b2b09816b071a3fc46f97c8eaa8dbd1996c2beec4d9bd64a026cf8f3a2b914d0be1b9fc837b56d0ae927
ripemd-160 caaca2458e80f99f02f27807de07d323ccd805f6

77777721 as geometric shapes

Circle

Radius = n
Diameter 155555442
Circumference 488691833.81311
Area 1.9004668552647E+16

Sphere

Radius = n
Volume 1.970853077847E+24
Surface area 7.6018674210589E+16
Circumference 488691833.81311

Square

Length = n
Perimeter 311110884
Area 6049373883953841
Diagonal 109994307.88867

Cube

Length = n
Surface area 36296243303723046
Volume 4.7050651417085E+23
Space diagonal 134714964.46892

Equilateral Triangle

Length = n
Perimeter 233333163
Area 2.6194557302471E+15
Altitude 67357482.234458

Triangular Pyramid

Length = n
Surface area 2.6194557302471E+15
Volume 5.5449724460442E+22
Height 36664769.296224