121428870 (number)

121428870 is an even 9-digits composite number following 121428869 and preceding 121428871. In scientific notation, it is written as 1.21428870 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 32381024 positive integers (up to 121428870) that are relatively prime to 121428870.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million four hundred twenty-eight thousand eight hundred seventy

Notation

Scientific notation 1.21428870 × 10^8
Engineering notation 1.21428870 × 10^6

Prime Factorization of 121428870

Prime Factorization 2 × 5 × 3 × 4047629

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121428870
Product of the distinct prime numbers

The prime factorization of 121428870 is 2 × 5 × 3 × 4047629. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 33, 88, 516, 931, 1629, 1623, 526, 73999, 493474, 211235, 6375014, 9281985, 27373512, 41064336, 365783963, 202483878, 639615836, 9306143952

Basic calculations (n = 121428870)

Multiplication

n×y
n×2 242857740
n×3 364286610
n×4 485715480
n×5 607144350

Division

n÷y
n÷2 60714435
n÷3 40476290
n÷3 30357217.5
n÷5 24285774

Exponentiation

ny
n2 14744970469476900
n3 1.7904651022919E+24
n4 2.1741415414575E+32
n5 2.6400355059924E+40

Nth Root

y√n
2√n 11019.476847836
3√n 495.19241575689
4√n 104.97369598064
5√n 41.387042280347

Divisors of 121428870

1, 2, 3, 5, 6, 10, 15, 30, 4047629, 8095258, 12142887, 20238145, 24285774, 40476290, 60714435, 121428870

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 -121428869
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 121428870 can be divided by 16 positive divisors. The sum of these divisors (counting 121428870) is 1, the average is 0.0625.

Base conversion 121428870

Base System Value
2 Binary 111001111001101101110000110
3 Ternary 22110111020002120
4 Quaternary 13033031232012
5 Quinary 222041210440
6 Senary 20014350410
8 Octal 717155606
10 Decimal 121428870
12 Duodecimal 347bb406
16 Hexadecimal 73cdb86
20 Vigesimal 1hiic3a
36 Base36 20an46

Cryptographic Hash Functions

md5 360269737c399c68f43c4da4d39e6caa
sha1 c411f6b3156a979f7565df66becfbb4a81c918f9
sha256 51dfcc876a14f0a895186e6821c8321b315f36d833724236fb8cd222d4ac2860
sha512 e769aa535d6292fc643236378e38b09a2bca17fae7b94e2be9d02fca5aefbb31a904c4b10e33146bb57cab7d71fbf3630a04def1aa21f290c6c8b8f45c3b61e1
ripemd-160 d436f0c2ac049d635dfdf052712628691e3d1c25

121428870 as geometric shapes

Circle

Radius = n
Diameter 242857740
Circumference 762960091.85142
Area 4.6322690904307E+16

Sphere

Radius = n
Volume 7.4998826824924E+24
Surface area 1.8529076361723E+17
Circumference 762960091.85142

Square

Length = n
Perimeter 485715480
Area 14744970469476900
Diagonal 171726354.81764

Cube

Length = n
Surface area 88469822816861400
Volume 1.7904651022919E+24
Space diagonal 210320972.34568

Equilateral Triangle

Length = n
Perimeter 364286610
Area 6.3847595023092E+15
Altitude 105160486.17284

Triangular Pyramid

Length = n
Surface area 6.3847595023092E+15
Volume 2.1100833588475E+23
Height 57242118.272546