7127981 (number)

7127981 is an odd 7-digits composite number following 7127980 and preceding 7127982. In scientific notation, it is written as 7.127981 × 10^6. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 5588352 positive integers (up to 7127981) that are relatively prime to 7127981.

Interesting facts

Basic properties

Name

Name seven million one hundred twenty-seven thousand nine hundred eighty-one

Notation

Scientific notation 7.127981 × 10^6
Engineering notation 7.127981 × 10^6

Prime Factorization of 7127981

Prime Factorization 49 × 17 × 43 × 199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7127981
Product of the distinct prime numbers

The prime factorization of 7127981 is 49 × 17 × 43 × 199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 8, 61, 224, 805, 1702, 3497, 75025, 9527, 374918, 367839, 4963363, 8403896, 66388089, 80733011, 690416817, 884712869, 9521130821, 5128965239

Basic calculations (n = 7127981)

Multiplication

n×y
n×2 14255962
n×3 21383943
n×4 28511924
n×5 35639905

Division

n÷y
n÷2 3563990.5
n÷3 2375993.6666667
n÷3 1781995.25
n÷5 1425596.2

Exponentiation

ny
n2 50808113136361
n3 3.6215926508183E+20
n4 2.5814643604773E+27
n5 1.8400628913659E+34

Nth Root

y√n
2√n 2669.827897075
3√n 192.4518888031
4√n 51.670377365324
5√n 23.474335465553

Divisors of 7127981

1, 17, 43, 49, 199, 731, 833, 2107, 3383, 8557, 9751, 35819, 145469, 165767, 419293, 7127981

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 -7127980
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 7127981 can be divided by 16 positive divisors. The sum of these divisors (counting 7127981) is 1, the average is 0.0625.

Base conversion 7127981

Base System Value
2 Binary 11011001100001110101101
3 Ternary 111102010202022
4 Quaternary 123030032231
5 Quinary 3311043411
6 Senary 412435525
8 Octal 33141655
10 Decimal 7127981
12 Duodecimal 2478ba5
16 Hexadecimal 6cc3ad
20 Vigesimal 24ajj1
36 Base36 48rzh

Cryptographic Hash Functions

md5 d92787e64a888bd422a27a696afd7479
sha1 2bada53cf3f995554570f25cf151b6bc08af6cc0
sha256 66e4b704929dc7dbd439dac5f43cab57d69875e47362912d3d32254d5816e521
sha512 acffc4c095b02e520e9a2235781ecca6319cfc5ea83c96d3728b0430d5664e8cba44be84c5f54260138d0f7067285bd2f8c1f34235495d70eb3125c2a02b5ef0
ripemd-160 fec14317a9773ad1be7b7c8859443da57056b0ca

7127981 as geometric shapes

Circle

Radius = n
Diameter 14255962
Circumference 44786425.489055
Area 1.5961839497195E+14

Sphere

Radius = n
Volume 1.5170091821474E+21
Surface area 6.384735798878E+14
Circumference 44786425.489055

Square

Length = n
Perimeter 28511924
Area 50808113136361
Diagonal 10080487.402538

Cube

Length = n
Surface area 304848678818166
Volume 3.6215926508183E+20
Space diagonal 12346025.247386

Equilateral Triangle

Length = n
Perimeter 21383943
Area 22000558347221
Altitude 6173012.6236928

Triangular Pyramid

Length = n
Surface area 22000558347221
Volume 4.2680878701483E+19
Height 3360162.4675126