128420977 (number)

128420977 is an odd 9-digits composite number following 128420976 and preceding 128420978. In scientific notation, it is written as 1.28420977 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 126504180 positive integers (up to 128420977) that are relatively prime to 128420977.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28420977 × 10^8
Engineering notation 1.28420977 × 10^6

Prime Factorization of 128420977

Prime Factorization 67 × 1916731

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128420977
Product of the distinct prime numbers

The prime factorization of 128420977 is 67 × 1916731. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 76, 8, 413, 522, 9635, 9042, 60506, 94345, 794204, 244842, 2260243, 253244, 40215520, 95444359, 182663329, 598687347, 3278686339, 9445270033

Basic calculations (n = 128420977)

Multiplication

n×y
n×2 256841954
n×3 385262931
n×4 513683908
n×5 642104885

Division

n÷y
n÷2 64210488.5
n÷3 42806992.333333
n÷3 32105244.25
n÷5 25684195.4

Exponentiation

ny
n2 16491947333634529
n3 2.1179119892179E+24
n4 2.7198432685538E+32
n5 3.4928492983455E+40

Nth Root

y√n
2√n 11332.297957608
3√n 504.52031305366
4√n 106.45326654268
5√n 41.853057869179

Divisors of 128420977

1, 67, 1916731, 128420977

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128420976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128420977 can be divided by 4 positive divisors. The sum of these divisors (counting 128420977) is 1, the average is 0.25.

Base conversion 128420977

Base System Value
2 Binary 111101001111000110001110001
3 Ternary 22221122110110111
4 Quaternary 13221320301301
5 Quinary 230333432402
6 Senary 20424301321
8 Octal 751706161
10 Decimal 128420977
12 Duodecimal 37011841
16 Hexadecimal 7a78c71
20 Vigesimal 202cc8h
36 Base36 24gi9d

Cryptographic Hash Functions

md5 ce6a51543b5dfc6614427d48415ca664
sha1 b80c3806b126f6231f6861dc3a55d79940e421f6
sha256 3fb6fd92a0ae03eb7af412af9f6ecf00cec13e8bd1877328d19f7bcaf02f7e11
sha512 f0e52fdd2bf31d37186b7f204ceedbf3ade20cf72377a1fa22065c4931bdd68ff2e78d13e3e0400980232ddf35c047716484ccd64890e9a4af24fee480d7c6f0
ripemd-160 ec9ac2eb1301a538ba25461e863f801c164225da

128420977 as geometric shapes

Circle

Radius = n
Diameter 256841954
Circumference 806892795.82005
Area 5.1810980586736E+16

Sphere

Radius = n
Volume 8.8714889950356E+24
Surface area 2.0724392234694E+17
Circumference 806892795.82005

Square

Length = n
Perimeter 513683908
Area 16491947333634529
Diagonal 181614687.3666

Cube

Length = n
Surface area 98951684001807174
Volume 2.1179119892179E+24
Space diagonal 222431656.92163

Equilateral Triangle

Length = n
Perimeter 385262931
Area 7.1412226744013E+15
Altitude 111215828.46082

Triangular Pyramid

Length = n
Surface area 7.1412226744013E+15
Volume 2.4959832158871E+23
Height 60538229.122201