125815921 (number)

125815921 is an odd 9-digits composite number following 125815920 and preceding 125815922. In scientific notation, it is written as 1.25815921 × 10^8. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 95620800 positive integers (up to 125815921) that are relatively prime to 125815921.

Interesting facts

Basic properties

Name

Name one hundred twenty-five million eight hundred fifteen thousand nine hundred twenty-one

Notation

Scientific notation 1.25815921 × 10^8
Engineering notation 1.25815921 × 10^6

Prime Factorization of 125815921

Prime Factorization 41 × 7 × 11 × 11 × 3623

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 11437811
Product of the distinct prime numbers

The prime factorization of 125815921 is 41 × 7 × 11 × 11 × 3623. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 96, 92, 796, 399, 6283, 1699, 35183, 11895, 73919, 94072, 936519, 1110715, 45625881, 88705088, 431595110, 150993437, 1929234720, 4289565885

Basic calculations (n = 125815921)

Multiplication

n×y
n×2 251631842
n×3 377447763
n×4 503263684
n×5 629079605

Division

n÷y
n÷2 62907960.5
n÷3 41938640.333333
n÷3 31453980.25
n÷5 25163184.2

Exponentiation

ny
n2 15829645977078241
n3 1.99162148771E+24
n4 2.5057769175963E+32
n5 3.1526663070792E+40

Nth Root

y√n
2√n 11216.769633009
3√n 501.08553618348
4√n 105.90925187636
5√n 41.681862846084

Divisors of 125815921

1, 7, 11, 41, 77, 121, 287, 451, 847, 3157, 3623, 4961, 25361, 34727, 39853, 148543, 278971, 438383, 1039801, 1633973, 3068681, 11437811, 17973703, 125815921

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 -125815920
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 125815921 can be divided by 24 positive divisors. The sum of these divisors (counting 125815921) is 1, the average is 0.041666666666667.

Base conversion 125815921

Base System Value
2 Binary 111011111111100110001110001
3 Ternary 22202202002222221
4 Quaternary 13133330301301
5 Quinary 224202102141
6 Senary 20252401041
8 Octal 737746161
10 Decimal 125815921
12 Duodecimal 36176181
16 Hexadecimal 77fcc71
20 Vigesimal 1j66jg1
36 Base36 22wo6p

Cryptographic Hash Functions

md5 0f632227a4b2d5c9ba80741cc63b5062
sha1 c0b5ed6b79da58d059c4d661612728cc332cb5ea
sha256 40ffab54d7dcbb7f7286268eb55def4b0427ccdca37cbadf504950e58df7c19d
sha512 d4ebc661499e57ffc006dd373b53b1374222feceded07c13333c4d6b5970a7cae010f1597bafb867c356a6f7da62690860b876e3c9d20ac946146668e3cc32d6
ripemd-160 78ca3c5cd911f83ace6a08a47c0672508655a4bf

125815921 as geometric shapes

Circle

Radius = n
Diameter 251631842
Circumference 790524746.23647
Area 4.9730299510516E+16

Sphere

Radius = n
Volume 8.3424845793619E+24
Surface area 1.9892119804206E+17
Circumference 790524746.23647

Square

Length = n
Perimeter 503263684
Area 15829645977078241
Diagonal 177930581.84066

Cube

Length = n
Surface area 94977875862469446
Volume 1.99162148771E+24
Space diagonal 217919567.57307

Equilateral Triangle

Length = n
Perimeter 377447763
Area 6.8544377745319E+15
Altitude 108959783.78654

Triangular Pyramid

Length = n
Surface area 6.8544377745319E+15
Volume 2.3471484325277E+23
Height 59310193.946887