121785890 (number)

121785890 is an even 9-digits composite number following 121785889 and preceding 121785891. In scientific notation, it is written as 1.21785890 × 10^8. The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors. There are 46791360 positive integers (up to 121785890) that are relatively prime to 121785890.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million seven hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 1.21785890 × 10^8
Engineering notation 1.21785890 × 10^6

Prime Factorization of 121785890

Prime Factorization 2 × 5 × 61 × 43 × 4643

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 121785890
Product of the distinct prime numbers

The prime factorization of 121785890 is 2 × 5 × 61 × 43 × 4643. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 58, 94, 795, 774, 5662, 5551, 51744, 72684, 301062, 41540, 9606219, 4636699, 78562045, 76658224, 135569173, 619782924, 9214556164, 4916122081

Basic calculations (n = 121785890)

Multiplication

n×y
n×2 243571780
n×3 365357670
n×4 487143560
n×5 608929450

Division

n÷y
n÷2 60892945
n÷3 40595296.666667
n÷3 30446472.5
n÷5 24357178

Exponentiation

ny
n2 14831803003092100
n3 1.8063043290362E+24
n4 2.1998238032253E+32
n5 2.6790749971898E+40

Nth Root

y√n
2√n 11035.664456661
3√n 495.67725545971
4√n 105.05077085229
5√n 41.411350593384

Divisors of 121785890

1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 2623, 4643, 5246, 9286, 13115, 23215, 26230, 46430, 199649, 283223, 399298, 566446, 998245, 1416115, 1996490, 2832230, 12178589, 24357178, 60892945, 121785890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121785889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121785890 can be divided by 32 positive divisors. The sum of these divisors (counting 121785890) is 1, the average is 0.03125.

Base conversion 121785890

Base System Value
2 Binary 111010000100100111000100010
3 Ternary 22111011100211112
4 Quaternary 13100210320202
5 Quinary 222134122030
6 Senary 20030143322
8 Octal 720447042
10 Decimal 121785890
12 Duodecimal 34951b42
16 Hexadecimal 7424e22
20 Vigesimal 1i134ea
36 Base36 20iale

Cryptographic Hash Functions

md5 8b644376cb3e4d07d98e66175008a455
sha1 9c8a7483bfcbc88088e84c767afcdf0a2206dbd7
sha256 4d3d3738dbd6629dae44911a69e4111a1f693426fbdbaf518df1b77298c9dcc2
sha512 03bbf398410fc89838f9ab54e1ad7b2839bba4d7d0e8019b3ee3647effb8fa8782bc23193c88c1d50b0f268e98dc937f05b58ae7f2f2706a818f272c3c8f42e4
ripemd-160 f05f9393aa52649d1efe0c438917d013d989c3cd

121785890 as geometric shapes

Circle

Radius = n
Diameter 243571780
Circumference 765203314.66979
Area 4.6595483354005E+16

Sphere

Radius = n
Volume 7.5662298803303E+24
Surface area 1.8638193341602E+17
Circumference 765203314.66979

Square

Length = n
Perimeter 487143560
Area 14831803003092100
Diagonal 172231257.34368

Cube

Length = n
Surface area 88990818018552600
Volume 1.8063043290362E+24
Space diagonal 210939349.12499

Equilateral Triangle

Length = n
Perimeter 365357670
Area 6.422359092302E+15
Altitude 105469674.5625

Triangular Pyramid

Length = n
Surface area 6.422359092302E+15
Volume 2.1287500665802E+23
Height 57410419.114559