78220121 (number)

78220121 is an odd 8-digits composite number following 78220120 and preceding 78220122. In scientific notation, it is written as 7.8220121 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 66326400 positive integers (up to 78220121) that are relatively prime to 78220121.

Interesting facts

Basic properties

Name

Name seventy-eight million two hundred twenty thousand one hundred twenty-one

Notation

Scientific notation 7.8220121 × 10^7
Engineering notation 7.8220121 × 10^6

Prime Factorization of 78220121

Prime Factorization 7 × 7 × 7 × 97 × 2351

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1596329
Product of the distinct prime numbers

The prime factorization of 78220121 is 7 × 7 × 7 × 97 × 2351. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 41, 7, 784, 8, 6126, 2727, 58983, 10548, 254218, 605488, 4479811, 491177, 22290697, 92260391, 974068162, 662177135, 3851146902, 7559172411

Basic calculations (n = 78220121)

Multiplication

n×y
n×2 156440242
n×3 234660363
n×4 312880484
n×5 391100605

Division

n÷y
n÷2 39110060.5
n÷3 26073373.666667
n÷3 19555030.25
n÷5 15644024.2

Exponentiation

ny
n2 6118387329254641
n3 4.7858099721916E+23
n4 3.7434663510784E+31
n5 2.9281439094078E+39

Nth Root

y√n
2√n 8844.213984295
3√n 427.66741456606
4√n 94.043681256611
5√n 37.902136966601

Divisors of 78220121

1, 7, 49, 97, 343, 679, 2351, 4753, 16457, 33271, 115199, 228047, 806393, 1596329, 11174303, 78220121

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 -78220120
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 78220121 can be divided by 16 positive divisors. The sum of these divisors (counting 78220121) is 1, the average is 0.0625.

Base conversion 78220121

Base System Value
2 Binary 100101010011000101101011001
3 Ternary 12110011222211112
4 Quaternary 10222120231121
5 Quinary 130011020441
6 Senary 11432310105
8 Octal 452305531
10 Decimal 78220121
12 Duodecimal 22242335
16 Hexadecimal 4a98b59
20 Vigesimal 148ha61
36 Base36 1akj15

Cryptographic Hash Functions

md5 5728bcfeda3c3e81360c3ca24b0eb8d0
sha1 90289ea95c33e8f6207f17e027b5f5db3e9725a2
sha256 8139ba72f7290f043cf7eed26d0b878f1263f9487272accb20be26b1bb6b2f02
sha512 1a66b3583a2b50b0b328fb3b5737102da65a7c35d092857e36582a99797f883ff876986f8808d33f609bff5ed4803484dc34d98fa84053f063b83faadbec3e81
ripemd-160 cf700fa526940dbbe2e55af85fe1b1eb18e1c53b

78220121 as geometric shapes

Circle

Radius = n
Diameter 156440242
Circumference 491471514.99301
Area 1.9221480685403E+16

Sphere

Radius = n
Volume 2.0046753933485E+24
Surface area 7.6885922741613E+16
Circumference 491471514.99301

Square

Length = n
Perimeter 312880484
Area 6118387329254641
Diagonal 110619955.96866

Cube

Length = n
Surface area 36710323975527846
Volume 4.7858099721916E+23
Space diagonal 135481223.74619

Equilateral Triangle

Length = n
Perimeter 234660363
Area 2.6493394286637E+15
Altitude 67740611.873093

Triangular Pyramid

Length = n
Surface area 2.6493394286637E+15
Volume 5.6401311413449E+22
Height 36873318.656222