1621347981 (number)

1621347981 is an odd 10-digits composite number following 1621347980 and preceding 1621347982. In scientific notation, it is written as 1.621347981 × 10^9. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 959782320 positive integers (up to 1621347981) that are relatively prime to 1621347981.

Interesting facts

Basic properties

Name

Name one billion six hundred twenty-one million three hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 1.621347981 × 10^9
Engineering notation 1.621347981 × 10^9

Prime Factorization of 1621347981

Prime Factorization 11 × 3 × 43 × 1142599

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1621347981
Product of the distinct prime numbers

The prime factorization of 1621347981 is 11 × 3 × 43 × 1142599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 16, 62, 188, 884, 5426, 3209, 22865, 70512, 991309, 950506, 6279044, 956823, 5275665, 69245215, 867106069, 137243480, 5156602151, 5282893856

Basic calculations (n = 1621347981)

Multiplication

n×y
n×2 3242695962
n×3 4864043943
n×4 6485391924
n×5 8106739905

Division

n÷y
n÷2 810673990.5
n÷3 540449327
n÷3 405336995.25
n÷5 324269596.2

Exponentiation

ny
n2 2628769275492776361
n3 4.262149757335E+27
n4 6.9104279037748E+36
n5 1.1204208329631E+46

Nth Root

y√n
2√n 40265.965541633
3√n 1174.7859531029
4√n 200.66381223737
5√n 69.498470521733

Divisors of 1621347981

1, 3, 11, 33, 43, 129, 473, 1419, 1142599, 3427797, 12568589, 37705767, 49131757, 147395271, 540449327, 1621347981

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 -1621347980
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 1621347981 can be divided by 16 positive divisors. The sum of these divisors (counting 1621347981) is 1, the average is 0.0625.

Base conversion 1621347981

Base System Value
2 Binary 1100000101000111100111010001101
3 Ternary 11011222212000022020
4 Quaternary 1200220330322031
5 Quinary 11310031113411
6 Senary 424515040353
8 Octal 14050747215
10 Decimal 1621347981
12 Duodecimal 392ba00b9
16 Hexadecimal 60a3ce8d
20 Vigesimal 156d89j1
36 Base36 qtb43x

Cryptographic Hash Functions

md5 bf5289fbca331181dd0d4db9f97cc932
sha1 d8625e68cfeccb18b99cfff871d17afac5f11a2b
sha256 f77b3a4f962092c98fc6cbf0979c8c513b29340bc5e77dac96175f68f08ca6a1
sha512 4167bd7a41bd9893403115fcc40a340df93f7064b1cf96cc672392bb04657e2ec6c049b370174f195a306527515dfe5b318fddf40980eaeea332f45dbd28bb8f
ripemd-160 d4c3a3cc0e51407de115d84c90257b5c9882b1eb

1621347981 as geometric shapes

Circle

Radius = n
Diameter 3242695962
Circumference 10187229812.044
Area 8.2585222438707E+18

Sphere

Radius = n
Volume 1.7853251154858E+28
Surface area 3.3034088975483E+19
Circumference 10187229812.044

Square

Length = n
Perimeter 6485391924
Area 2628769275492776361
Diagonal 2292932304.0564

Cube

Length = n
Surface area 1.5772615652957E+19
Volume 4.262149757335E+27
Space diagonal 2808257079.8412

Equilateral Triangle

Length = n
Perimeter 4864043943
Area 1.1382904866324E+18
Altitude 1404128539.9206

Triangular Pyramid

Length = n
Surface area 1.1382904866324E+18
Volume 5.0229916597403E+26
Height 764310768.01881