77978721 (number)

77978721 is an odd 8-digits composite number following 77978720 and preceding 77978722. In scientific notation, it is written as 7.7978721 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 50580720 positive integers (up to 77978721) that are relatively prime to 77978721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7978721 × 10^7
Engineering notation 7.7978721 × 10^6

Prime Factorization of 77978721

Prime Factorization 3 × 37 × 702511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 77978721
Product of the distinct prime numbers

The prime factorization of 77978721 is 3 × 37 × 702511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 10, 8, 40, 90, 223, 6524, 216, 97798, 32796, 296732, 974156, 2579486, 500302, 32730717, 69456074, 769641798, 218364322, 7253222579, 336959326

Basic calculations (n = 77978721)

Multiplication

n×y
n×2 155957442
n×3 233936163
n×4 311914884
n×5 389893605

Division

n÷y
n÷2 38989360.5
n÷3 25992907
n÷3 19494680.25
n÷5 15595744.2

Exponentiation

ny
n2 6080680928795841
n3 4.7416372163659E+23
n4 3.6974680557821E+31
n5 2.8832382992825E+39

Nth Root

y√n
2√n 8830.5560980042
3√n 427.22701083088
4√n 93.971038612991
5√n 37.878713603053

Divisors of 77978721

1, 3, 37, 111, 702511, 2107533, 25992907, 77978721

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 -77978720
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 77978721 can be divided by 8 positive divisors. The sum of these divisors (counting 77978721) is 1, the average is 0.125.

Base conversion 77978721

Base System Value
2 Binary 100101001011101110001100001
3 Ternary 12102201201200210
4 Quaternary 10221131301201
5 Quinary 124430304341
6 Senary 11423204333
8 Octal 451356141
10 Decimal 77978721
12 Duodecimal 221466a9
16 Hexadecimal 4a5dc61
20 Vigesimal 14776g1
36 Base36 1afcrl

Cryptographic Hash Functions

md5 e0906d6ace0f0a79bffbe4a0c3625a6c
sha1 5a37ea04f655ff9c5e2611cdbf30d78aa457f7c5
sha256 65401e9a98c53d6b58c2971b3acc01fea0e0d93756fbab7f1e12f8aa4bde3c3f
sha512 5fe68ab33a2f7e65aa32def4f525f5881a35890208ec58476fee4f799a708a25ee5eb8dbb515726288b26cd256686310d2467cf885fbba097b8dd3664e836b3b
ripemd-160 b15dceb2a1fa9e9adf3571302e42bfd378f24aee

77978721 as geometric shapes

Circle

Radius = n
Diameter 155957442
Circumference 489954754.05986
Area 1.9103022534729E+16

Sphere

Radius = n
Volume 1.9861723526564E+24
Surface area 7.6412090138914E+16
Circumference 489954754.05986

Square

Length = n
Perimeter 311914884
Area 6080680928795841
Diagonal 110278564.81471

Cube

Length = n
Surface area 36484085572775046
Volume 4.7416372163659E+23
Space diagonal 135063106.68124

Equilateral Triangle

Length = n
Perimeter 233936163
Area 2.6330120783224E+15
Altitude 67531553.340619

Triangular Pyramid

Length = n
Surface area 2.6330120783224E+15
Volume 5.5880730493647E+22
Height 36759521.604903