125628981 (number)

125628981 is an odd 9-digits composite number following 125628980 and preceding 125628982. In scientific notation, it is written as 1.25628981 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 83752652 positive integers (up to 125628981) that are relatively prime to 125628981.

Interesting facts

Basic properties

Name

Name one hundred twenty-five million six hundred twenty-eight thousand nine hundred eighty-one

Notation

Scientific notation 1.25628981 × 10^8
Engineering notation 1.25628981 × 10^6

Prime Factorization of 125628981

Prime Factorization 3 × 41876327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 125628981
Product of the distinct prime numbers

The prime factorization of 125628981 is 3 × 41876327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 24, 38, 198, 928, 2862, 7067, 26491, 73371, 627796, 944942, 4247200, 9149678, 6634229, 68765934, 479946441, 752605909, 4938915303, 6926695007

Basic calculations (n = 125628981)

Multiplication

n×y
n×2 251257962
n×3 376886943
n×4 502515924
n×5 628144905

Division

n÷y
n÷2 62814490.5
n÷3 41876327
n÷3 31407245.25
n÷5 25125796.2

Exponentiation

ny
n2 15782640867098361
n3 1.9827570896225E+24
n4 2.490917527398E+32
n5 3.1293143072205E+40

Nth Root

y√n
2√n 11208.433476628
3√n 500.83723861384
4√n 105.86988937667
5√n 41.66946911638

Divisors of 125628981

1, 3, 41876327, 125628981

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 -125628980
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 125628981 can be divided by 4 positive divisors. The sum of these divisors (counting 125628981) is 1, the average is 0.25.

Base conversion 125628981

Base System Value
2 Binary 111011111001111001000110101
3 Ternary 22202101121120020
4 Quaternary 13133033020311
5 Quinary 224130111411
6 Senary 20244355353
8 Octal 737171065
10 Decimal 125628981
12 Duodecimal 360a5b59
16 Hexadecimal 77cf235
20 Vigesimal 1j53c91
36 Base36 22snxx

Cryptographic Hash Functions

md5 2232bfa8d032a781fed97c1821d7907c
sha1 ecf51432bfa8839259d04e4043ee4a6311a6b15a
sha256 6135b1281af0d4b61b42d687dcd95c8d332950713a27fa530f820d5c4e9ea842
sha512 c6a00df057fffdf775502168be14c9894566142b3e39301e66da05499b6c858fbc241f3f854976b7cca38bfc7f9b217a388e6a53e8ce176f91762fd4577984fb
ripemd-160 7e862c5fa8b164cebc921229ba6a79c381c6579e

125628981 as geometric shapes

Circle

Radius = n
Diameter 251257962
Circumference 789350167.57514
Area 4.9582628602322E+16

Sphere

Radius = n
Volume 8.3053534754816E+24
Surface area 1.9833051440929E+17
Circumference 789350167.57514

Square

Length = n
Perimeter 502515924
Area 15782640867098361
Diagonal 177666208.75731

Cube

Length = n
Surface area 94695845202590166
Volume 1.9827570896225E+24
Space diagonal 217595777.99511

Equilateral Triangle

Length = n
Perimeter 376886943
Area 6.8340839648568E+15
Altitude 108797888.99755

Triangular Pyramid

Length = n
Surface area 6.8340839648568E+15
Volume 2.3367016391963E+23
Height 59222069.585771