1621749997 (number)

1621749997 is an odd 10-digits composite number following 1621749996 and preceding 1621749998. In scientific notation, it is written as 1.621749997 × 10^9. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 1281313728 positive integers (up to 1621749997) that are relatively prime to 1621749997.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.621749997 × 10^9
Engineering notation 1.621749997 × 10^9

Prime Factorization of 1621749997

Prime Factorization 7 × 19 × 37 × 329557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1621749997
Product of the distinct prime numbers

The prime factorization of 1621749997 is 7 × 19 × 37 × 329557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 67, 80, 180, 553, 3536, 9943, 4377, 95263, 960200, 724014, 4184316, 8190521, 4649172, 91608482, 568897829, 81995776, 8713003747, 4023070962

Basic calculations (n = 1621749997)

Multiplication

n×y
n×2 3243499994
n×3 4865249991
n×4 6486999988
n×5 8108749985

Division

n÷y
n÷2 810874998.5
n÷3 540583332.33333
n÷3 405437499.25
n÷5 324349999.4

Exponentiation

ny
n2 2630073052769500009
n3 4.2653209654387E+27
n4 6.9172842629043E+36
n5 1.1218105732613E+46

Nth Root

y√n
2√n 40270.957239678
3√n 1174.8830418065
4√n 200.67624981467
5√n 69.501916632846

Divisors of 1621749997

1, 7, 19, 37, 133, 259, 703, 4921, 329557, 2306899, 6261583, 12193609, 43831081, 85355263, 231678571, 1621749997

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 -1621749996
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 1621749997 can be divided by 16 positive divisors. The sum of these divisors (counting 1621749997) is 1, the average is 0.0625.

Base conversion 1621749997

Base System Value
2 Binary 1100000101010011111000011101101
3 Ternary 11012000121102202201
4 Quaternary 1200222133003231
5 Quinary 11310131444442
6 Senary 424531421501
8 Octal 14052370355
10 Decimal 1621749997
12 Duodecimal 393154891
16 Hexadecimal 60a9f0ed
20 Vigesimal 156fiejh
36 Base36 qtjqb1

Cryptographic Hash Functions

md5 0d08753f0c91a480a9f3dc1cccafee08
sha1 765779c25e87e4f29073227b028fe211a9299914
sha256 f68e6bc94bc0702580bd9a20ece3424526b40846f053f6891a848fc041ae924e
sha512 a77954a4365835b508a60323a4929a0373fee93e2d188b5a061a77d666a4a9ce7b31d8ad54373d17abfcd9217b8847ba6cd5c967da336c4c8c5479ca60b854d3
ripemd-160 409a3ef43dbc13c6c08525166b29b452417a5882

1621749997 as geometric shapes

Circle

Radius = n
Diameter 3243499994
Circumference 10189755753.069
Area 8.2626181809851E+18

Sphere

Radius = n
Volume 1.78665346803E+28
Surface area 3.3050472723941E+19
Circumference 10189755753.069

Square

Length = n
Perimeter 6486999988
Area 2630073052769500009
Diagonal 2293500840.5359

Cube

Length = n
Surface area 1.5780438316617E+19
Volume 4.2653209654387E+27
Space diagonal 2808953391.9787

Equilateral Triangle

Length = n
Perimeter 4865249991
Area 1.1388550387536E+18
Altitude 1404476695.9893

Triangular Pyramid

Length = n
Surface area 1.1388550387536E+18
Volume 5.0267289643314E+26
Height 764500280.17864