77731661 (number)

77731661 is an odd 8-digits composite number following 77731660 and preceding 77731662. In scientific notation, it is written as 7.7731661 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 66179088 positive integers (up to 77731661) that are relatively prime to 77731661.

Interesting facts

Basic properties

Name

Name seventy-seven million seven hundred thirty-one thousand six hundred sixty-one

Notation

Scientific notation 7.7731661 × 10^7
Engineering notation 7.7731661 × 10^6

Prime Factorization of 77731661

Prime Factorization 7 × 149 × 74527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 77731661
Product of the distinct prime numbers

The prime factorization of 77731661 is 7 × 149 × 74527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 77731661)

Multiplication

n×y
n×2 155463322
n×3 233194983
n×4 310926644
n×5 388658305

Division

n÷y
n÷2 38865830.5
n÷3 25910553.666667
n÷3 19432915.25
n÷5 15546332.2

Exponentiation

ny
n2 6042211121818921
n3 4.6967110661166E+23
n4 3.6508315240632E+31
n5 2.837851983966E+39

Nth Root

y√n
2√n 8816.5560736605
3√n 426.77533900437
4√n 93.89651789955
5√n 37.854680899159

Divisors of 77731661

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 -77731660
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 77731661 can be divided by 8 positive divisors. The sum of these divisors (counting 77731661) is 1, the average is 0.125.

Base conversion 77731661

Base System Value
2 Binary 100101000100001011101001101
3 Ternary 12102021011210102
4 Quaternary 10220201131031
5 Quinary 124344403121
6 Senary 11414020445
8 Octal 450413515
10 Decimal 77731661
12 Duodecimal 22047725
16 Hexadecimal 4a2174d
20 Vigesimal 145g931
36 Base36 1aa24t

Cryptographic Hash Functions

md5 3942c7fca988e7b91d72bc6a67720b51
sha1 1e8dd11422fa8b357717c9c369c6b48c0b6e645a
sha256 a0a2b87882ef85d4c754afd325cec8ec661875fc27457ccc69e1b0742793847d
sha512 d8d244623411ce3725e40d5fd80ec8631886bf26135174fd50154a667c7e677113c49f3f20df5361119209900e9b4da348d25b32dfa70ef5a3852a17f1919159
ripemd-160 683bcdd98c14b1de40127daf33f9bddc2c8ef495

77731661 as geometric shapes

Circle

Radius = n
Diameter 155463322
Circumference 488402430.29786
Area 1.8982166071745E+16

Sphere

Radius = n
Volume 1.9673537308461E+24
Surface area 7.5928664286979E+16
Circumference 488402430.29786

Square

Length = n
Perimeter 310926644
Area 6042211121818921
Diagonal 109929169.21199

Cube

Length = n
Surface area 36253266730913526
Volume 4.6967110661166E+23
Space diagonal 134635186.20872

Equilateral Triangle

Length = n
Perimeter 233194983
Area 2.616354163262E+15
Altitude 67317593.10436

Triangular Pyramid

Length = n
Surface area 2.616354163262E+15
Volume 5.5351270735416E+22
Height 36643056.403996