1221694890 (number)

1221694890 is an even 10-digits composite number following 1221694889 and preceding 1221694891. In scientific notation, it is written as 1.221694890 × 10^9. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 287400960 positive integers (up to 1221694890) that are relatively prime to 1221694890.

Interesting facts

Basic properties

Name

Name one billion two hundred twenty-one million six hundred ninety-four thousand eight hundred ninety

Notation

Scientific notation 1.221694890 × 10^9
Engineering notation 1.221694890 × 10^9

Prime Factorization of 1221694890

Prime Factorization 2 × 65 × 3 × 29 × 109 × 991

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1221694890
Product of the distinct prime numbers

The prime factorization of 1221694890 is 2 × 65 × 3 × 29 × 109 × 991. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 8, 82, 93, 828, 1, 315, 8644, 47923, 86242, 938328, 888989, 3109564, 7171392, 82536829, 93340077, 468786475, 163404467, 1820669746, 9257097363

Basic calculations (n = 1221694890)

Multiplication

n×y
n×2 2443389780
n×3 3665084670
n×4 4886779560
n×5 6108474450

Division

n÷y
n÷2 610847445
n÷3 407231630
n÷3 305423722.5
n÷5 244338978

Exponentiation

ny
n2 1492538404252112100
n3 1.8234265416036E+27
n4 2.2276708881674E+36
n5 2.7215341406759E+45

Nth Root

y√n
2√n 34952.752252147
3√n 1069.024320951
4√n 186.95655177647
5√n 65.673861307973

Divisors of 1221694890

1, 2, 3, 6, 29, 58, 65, 87, 109, 130, 174, 195, 218, 327, 390, 654, 991, 1885, 1982, 2973, 3161, 3770, 5655, 5946, 6322, 7085, 9483, 11310, 14170, 18966, 21255, 28739, 42510, 57478, 64415, 86217, 108019, 128830, 172434, 193245, 205465, 216038, 324057, 386490, 410930, 616395, 648114, 1232790, 1868035, 3132551, 3736070, 5604105, 6265102, 7021235, 9397653, 11208210, 14042470, 18795306, 21063705, 42127410, 203615815, 407231630, 610847445, 1221694890

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1221694889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1221694890 can be divided by 64 positive divisors. The sum of these divisors (counting 1221694890) is 1, the average is 0.015625.

Base conversion 1221694890

Base System Value
2 Binary 1001000110100011001010110101010
3 Ternary 10011010211112022220
4 Quaternary 1020310121112222
5 Quinary 10000223214030
6 Senary 321121054510
8 Octal 11064312652
10 Decimal 1221694890
12 Duodecimal 2a1187436
16 Hexadecimal 48d195aa
20 Vigesimal j1fbh4a
36 Base36 k7d5t6

Cryptographic Hash Functions

md5 cb6a2da3afefa6db81f9806e9430e339
sha1 2b7f933465103d51e14b95b359e2484b516ad218
sha256 084913bf380d6d2f2375c6dcbfa10f05728f159d2fe76cd34c784fb279145f9d
sha512 20dd17a5c322008526a7ec94baeec7661531a7138cb6f5af0e030a85f197bb3f14b5e0c8301badab231d3b3c5c41adc8feb52b9c596db6cbc1e508562e534642
ripemd-160 fefaaf761fb6bb2e5f735506f6a67644f978f948

1221694890 as geometric shapes

Circle

Radius = n
Diameter 2443389780
Circumference 7676135382.7044
Area 4.6889476859991E+18

Sphere

Radius = n
Volume 7.6379512366165E+27
Surface area 1.8755790743996E+19
Circumference 7676135382.7044

Square

Length = n
Perimeter 4886779560
Area 1492538404252112100
Diagonal 1727737482.5199

Cube

Length = n
Surface area 8955230425512672600
Volume 1.8234265416036E+27
Space diagonal 2116037620.8273

Equilateral Triangle

Length = n
Perimeter 3665084670
Area 6.4628808710311E+17
Altitude 1058018810.4136

Triangular Pyramid

Length = n
Surface area 6.4628808710311E+17
Volume 2.1489287876057E+26
Height 575912494.1733