121520787 (number)

121520787 is an odd 9-digits composite number following 121520786 and preceding 121520788. In scientific notation, it is written as 1.21520787 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 81013856 positive integers (up to 121520787) that are relatively prime to 121520787.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21520787 × 10^8
Engineering notation 1.21520787 × 10^6

Prime Factorization of 121520787

Prime Factorization 3 × 40506929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 121520787
Product of the distinct prime numbers

The prime factorization of 121520787 is 3 × 40506929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 83, 36, 964, 127, 7560, 4640, 19332, 42498, 311738, 817320, 6198999, 4690608, 64349062, 45870221, 868029911, 187093631, 3112467084, 4439838347

Basic calculations (n = 121520787)

Multiplication

n×y
n×2 243041574
n×3 364562361
n×4 486083148
n×5 607603935

Division

n÷y
n÷2 60760393.5
n÷3 40506929
n÷3 30380196.75
n÷5 24304157.4

Exponentiation

ny
n2 14767301673099369
n3 1.7945341211815E+24
n4 2.1807319870432E+32
n5 2.6500426730157E+40

Nth Root

y√n
2√n 11023.646719666
3√n 495.31733146909
4√n 104.99355561017
5√n 41.393306064969

Divisors of 121520787

1, 3, 40506929, 121520787

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121520786
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121520787 can be divided by 4 positive divisors. The sum of these divisors (counting 121520787) is 1, the average is 0.25.

Base conversion 121520787

Base System Value
2 Binary 111001111100100001010010011
3 Ternary 22110122220011220
4 Quaternary 13033210022103
5 Quinary 222102131122
6 Senary 20020340123
8 Octal 717441223
10 Decimal 121520787
12 Duodecimal 34844643
16 Hexadecimal 73e4293
20 Vigesimal 1hja1j7
36 Base36 20cm1f

Cryptographic Hash Functions

md5 afe43ccda337b48ae62ecdf9d39c6e9c
sha1 8810befbb65176bf595af657d827c78ff064916d
sha256 e94a1fe2089df61abb7a396309c1219710ace80091bf31742430527562ddf920
sha512 965143facecc53c1c16d3819c01d4ea63bd61929153a8c35593b406777cc33d1f6fb551e223eae26b978819ea681f82570a2932e14cd29d63e05522c418f8747
ripemd-160 8254109f3fee8feb580a7f744e37a40df401663d

121520787 as geometric shapes

Circle

Radius = n
Diameter 243041574
Circumference 763537623.3953
Area 4.6392846449553E+16

Sphere

Radius = n
Volume 7.5169269489598E+24
Surface area 1.8557138579821E+17
Circumference 763537623.3953

Square

Length = n
Perimeter 486083148
Area 14767301673099369
Diagonal 171856345.08565

Cube

Length = n
Surface area 88603810038596214
Volume 1.7945341211815E+24
Space diagonal 210480177.25976

Equilateral Triangle

Length = n
Perimeter 364562361
Area 6.3944291971262E+15
Altitude 105240088.62988

Triangular Pyramid

Length = n
Surface area 6.3944291971262E+15
Volume 2.1148787435967E+23
Height 57285448.361884