126979281 (number)

126979281 is an odd 9-digits composite number following 126979280 and preceding 126979282. In scientific notation, it is written as 1.26979281 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 71036640 positive integers (up to 126979281) that are relatively prime to 126979281.

Interesting facts

Basic properties

Name

Name one hundred twenty-six million nine hundred seventy-nine thousand two hundred eighty-one

Notation

Scientific notation 1.26979281 × 10^8
Engineering notation 1.26979281 × 10^6

Prime Factorization of 126979281

Prime Factorization 39 × 3 × 11 × 98663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 126979281
Product of the distinct prime numbers

The prime factorization of 126979281 is 39 × 3 × 11 × 98663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 126979281)

Multiplication

n×y
n×2 253958562
n×3 380937843
n×4 507917124
n×5 634896405

Division

n÷y
n÷2 63489640.5
n÷3 42326427
n÷3 31744820.25
n÷5 25395856.2

Exponentiation

ny
n2 16123737803276961
n3 2.0473806332926E+24
n4 2.5997492074882E+32
n5 3.3011428514717E+40

Nth Root

y√n
2√n 11268.508375113
3√n 502.62523350777
4√n 106.15323063908
5√n 41.75866179309

Divisors of 126979281

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 -126979280
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 126979281 can be divided by 16 positive divisors. The sum of these divisors (counting 126979281) is 1, the average is 0.0625.

Base conversion 126979281

Base System Value
2 Binary 111100100011000110011010001
3 Ternary 22211221012211100
4 Quaternary 13210120303101
5 Quinary 230001314111
6 Senary 20333335013
8 Octal 744306321
10 Decimal 126979281
12 Duodecimal 36637469
16 Hexadecimal 7918cd1
20 Vigesimal 1jdc841
36 Base36 23llu9

Cryptographic Hash Functions

md5 9f6d4fc9ff3d64c2ec3b3159a14530a2
sha1 9e44c6abc6f7bb0352d4144412d37d6846728eba
sha256 2218a30cf9d6f639b55e90dacb64ce46eec9019d3d39dccb6d823be0119b011b
sha512 1d3530789ee5853c1122a5a00f1dc79ad6d5c5bbc7644893a4af24069c00224bf2039cb84c45dcd5d8628c4535124b8a853301b1736b7903fd6ef10107571188
ripemd-160 d04064ee229e23d2b07c6ef5145f33ee43723bf1

126979281 as geometric shapes

Circle

Radius = n
Diameter 253958562
Circumference 797834352.69543
Area 5.0654216231183E+16

Sphere

Radius = n
Volume 8.5760479422055E+24
Surface area 2.0261686492473E+17
Circumference 797834352.69543

Square

Length = n
Perimeter 507917124
Area 16123737803276961
Diagonal 179575821.33058

Cube

Length = n
Surface area 96742426819661766
Volume 2.0473806332926E+24
Space diagonal 219934566.20057

Equilateral Triangle

Length = n
Perimeter 380937843
Area 6.9817832707987E+15
Altitude 109967283.10028

Triangular Pyramid

Length = n
Surface area 6.9817832707987E+15
Volume 2.4128612157854E+23
Height 59858607.110195