77642721 (number)

77642721 is an odd 8-digits composite number following 77642720 and preceding 77642722. In scientific notation, it is written as 7.7642721 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 44343936 positive integers (up to 77642721) that are relatively prime to 77642721.

Interesting facts

Basic properties

Name

Name seventy-seven million six hundred forty-two thousand seven hundred twenty-one

Notation

Scientific notation 7.7642721 × 10^7
Engineering notation 7.7642721 × 10^6

Prime Factorization of 77642721

Prime Factorization 9 × 53 × 13 × 19 × 659

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 77642721
Product of the distinct prime numbers

The prime factorization of 77642721 is 9 × 53 × 13 × 19 × 659. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 28, 67, 554, 472, 4750, 7955, 49792, 97256, 27634, 929839, 2155575, 5661973, 10733434, 38219314, 741570272, 779627190, 3421939704, 9418982880

Basic calculations (n = 77642721)

Multiplication

n×y
n×2 155285442
n×3 232928163
n×4 310570884
n×5 388213605

Division

n÷y
n÷2 38821360.5
n÷3 25880907
n÷3 19410680.25
n÷5 15528544.2

Exponentiation

ny
n2 6028392124283841
n3 4.6806076778437E+23
n4 3.6341511604127E+31
n5 2.8216538461975E+39

Nth Root

y√n
2√n 8811.5107104287
3√n 426.61250580689
4√n 93.869647439568
5√n 37.846014321758

Divisors of 77642721

1, 9, 13, 19, 53, 117, 171, 247, 477, 659, 689, 1007, 2223, 5931, 6201, 8567, 9063, 12521, 13091, 34927, 77103, 112689, 117819, 162773, 314343, 454051, 663613, 1464957, 4086459, 5972517, 8626969, 77642721

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -77642720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 77642721 can be divided by 32 positive divisors. The sum of these divisors (counting 77642721) is 1, the average is 0.03125.

Base conversion 77642721

Base System Value
2 Binary 100101000001011101111100001
3 Ternary 12102002122210100
4 Quaternary 10220023233201
5 Quinary 124334031341
6 Senary 11412053013
8 Octal 450135741
10 Decimal 77642721
12 Duodecimal 22004169
16 Hexadecimal 4a0bbe1
20 Vigesimal 14556g1
36 Base36 1a85i9

Cryptographic Hash Functions

md5 b86886c38ce26986fc1db2eea62b632e
sha1 22b64359e363fc5b86de66af840036531ebfd3f3
sha256 247e042c296327838c930ba84279f1f711de0a7175c73c5c85a08677d2007c55
sha512 dd90a28cd4d1a6791ce5462eecf883d25519d10ec7e5d2133648f3029f571c151492e0b04e4c8417b838dec1e14c30c650910fc98c860959ff3d54dfd32e75c1
ripemd-160 e1cb91253e2b0096170dd313771e5a436ce984c8

77642721 as geometric shapes

Circle

Radius = n
Diameter 155285442
Circumference 487843603.79664
Area 1.8938752410609E+16

Sphere

Radius = n
Volume 1.96060835934E+24
Surface area 7.5755009642435E+16
Circumference 487843603.79664

Square

Length = n
Perimeter 310570884
Area 6028392124283841
Diagonal 109803389.05775

Cube

Length = n
Surface area 36170352745703046
Volume 4.6806076778437E+23
Space diagonal 134481137.6099

Equilateral Triangle

Length = n
Perimeter 232928163
Area 2.6103703618019E+15
Altitude 67240568.804948

Triangular Pyramid

Length = n
Surface area 2.6103703618019E+15
Volume 5.5161490484618E+22
Height 36601129.685917