128698720 (number)

128698720 is an even 9-digits composite number following 128698719 and preceding 128698721. In scientific notation, it is written as 1.28698720 × 10^8. The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors. There are 51479424 positive integers (up to 128698720) that are relatively prime to 128698720.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred ninety-eight thousand seven hundred twenty

Notation

Scientific notation 1.28698720 × 10^8
Engineering notation 1.28698720 × 10^6

Prime Factorization of 128698720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 804367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8043670
Product of the distinct prime numbers

The prime factorization of 128698720 is 2 × 2 × 2 × 2 × 2 × 5 × 804367. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 3, 89, 79, 730, 648, 2098, 950, 24515, 2282, 871072, 224161, 2071342, 8096983, 71688865, 31025627, 502152339, 182183599, 9754525409, 3764620696

Basic calculations (n = 128698720)

Multiplication

n×y
n×2 257397440
n×3 386096160
n×4 514794880
n×5 643493600

Division

n÷y
n÷2 64349360
n÷3 42899573.333333
n÷3 32174680
n÷5 25739744

Exponentiation

ny
n2 16563360529638400
n3 2.131683299063E+24
n4 2.7434491203478E+32
n5 3.5307839017389E+40

Nth Root

y√n
2√n 11344.545826079
3√n 504.88376895656
4√n 106.51077798082
5√n 41.871145802896

Divisors of 128698720

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 804367, 1608734, 3217468, 4021835, 6434936, 8043670, 12869872, 16087340, 25739744, 32174680, 64349360, 128698720

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128698719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128698720 can be divided by 24 positive divisors. The sum of these divisors (counting 128698720) is 1, the average is 0.041666666666667.

Base conversion 128698720

Base System Value
2 Binary 111101010111100100101100000
3 Ternary 22222011120110021
4 Quaternary 13222330211200
5 Quinary 230421324340
6 Senary 20434243224
8 Octal 752744540
10 Decimal 128698720
12 Duodecimal 37126514
16 Hexadecimal 7abc960
20 Vigesimal 20476g0
36 Base36 24mgkg

Cryptographic Hash Functions

md5 34d793367c471f583159668f83f21a44
sha1 827b955baf67d2b6467368eacfe6e968aeeda13a
sha256 d5f5ae4500da703832a20f1aea98ccaced04b1058635af4c050bd7183ccaffaa
sha512 b17568036eaade176bfe4c077ff668414d58d9852d647e6a5a04b86c522d3d228e47bbd2cd3f05a4bd44de9834ca010c6d30052e0d4bcea115696da2d415739b
ripemd-160 81b3cfdd6a88ccaf536a36a315fb3823ae8d9b3a

128698720 as geometric shapes

Circle

Radius = n
Diameter 257397440
Circumference 808637906.55682
Area 5.2035331758671E+16

Sphere

Radius = n
Volume 8.9291741228218E+24
Surface area 2.0814132703468E+17
Circumference 808637906.55682

Square

Length = n
Perimeter 514794880
Area 16563360529638400
Diagonal 182007475.28406

Cube

Length = n
Surface area 99380163177830400
Volume 2.131683299063E+24
Space diagonal 222912721.90908

Equilateral Triangle

Length = n
Perimeter 386096160
Area 7.1721454953537E+15
Altitude 111456360.95454

Triangular Pyramid

Length = n
Surface area 7.1721454953537E+15
Volume 2.5122128601826E+23
Height 60669158.428019