1640787021 (number)

1640787021 is an odd 10-digits composite number following 1640787020 and preceding 1640787022. In scientific notation, it is written as 1.640787021 × 10^9. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 1092530376 positive integers (up to 1640787021) that are relatively prime to 1640787021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.640787021 × 10^9
Engineering notation 1.640787021 × 10^9

Prime Factorization of 1640787021

Prime Factorization 9 × 827 × 220447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1640787021
Product of the distinct prime numbers

The prime factorization of 1640787021 is 9 × 827 × 220447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 19, 14, 193, 948, 1521, 8711, 64150, 26800, 431520, 598798, 7661636, 4552737, 97854694, 80489397, 453137807, 563334140, 9823875469, 3529912882

Basic calculations (n = 1640787021)

Multiplication

n×y
n×2 3281574042
n×3 4922361063
n×4 6563148084
n×5 8203935105

Division

n÷y
n÷2 820393510.5
n÷3 546929007
n÷3 410196755.25
n÷5 328157404.2

Exponentiation

ny
n2 2692182048282054441
n3 4.4172973629904E+27
n4 7.2478441810922E+36
n5 1.1892168662566E+46

Nth Root

y√n
2√n 40506.629346318
3√n 1179.4623187152
4√n 201.26258804437
5√n 69.664326436024

Divisors of 1640787021

1, 9, 827, 7443, 220447, 1984023, 182309669, 1640787021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1640787020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1640787021 can be divided by 8 positive divisors. The sum of these divisors (counting 1640787021) is 1, the average is 0.125.

Base conversion 1640787021

Base System Value
2 Binary 1100001110011000110110001001101
3 Ternary 11020100102121122200
4 Quaternary 1201303012301031
5 Quinary 11330020141041
6 Senary 430451432113
8 Octal 14163066115
10 Decimal 1640787021
12 Duodecimal 3995b5639
16 Hexadecimal 61cc6c4d
20 Vigesimal 15cei7b1
36 Base36 r4vrd9

Cryptographic Hash Functions

md5 d79b100e14106757ecfb34e832f3a275
sha1 17e7320e38d404c7857664341b48bbb382610629
sha256 f9020033134f0e065bff1c3644c8237e8170b7ceef929ab31eecc719dffc7b11
sha512 d60a071b5d6021be483c07ef4d4b44388d6e60e83563cad16763dcb30a623ace2f31fb2c7dfd3c0111266da8b0faf0bd716f42fb5c13f73b16e685a3d38900d5
ripemd-160 6de1f2c1c4c82b45276df06c1d988145be88532d

1640787021 as geometric shapes

Circle

Radius = n
Diameter 3281574042
Circumference 10309368902.558
Area 8.4577393450092E+18

Sphere

Radius = n
Volume 1.8503131925723E+28
Surface area 3.3830957380037E+19
Circumference 10309368902.558

Square

Length = n
Perimeter 6563148084
Area 2692182048282054441
Diagonal 2320423258.0639

Cube

Length = n
Surface area 1.6153092289692E+19
Volume 4.4172973629904E+27
Space diagonal 2841926484.7716

Equilateral Triangle

Length = n
Perimeter 4922361063
Area 1.1657490227123E+18
Altitude 1420963242.3858

Triangular Pyramid

Length = n
Surface area 1.1657490227123E+18
Volume 5.2058348664799E+26
Height 773474419.35465