121912912 (number)

121912912 is an even 9-digits composite number following 121912911 and preceding 121912913. In scientific notation, it is written as 1.21912912 × 10^8. The sum of its digits is 28. It has a total of 8 prime factors and 80 positive divisors. There are 53222400 positive integers (up to 121912912) that are relatively prime to 121912912.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred twelve thousand nine hundred twelve

Notation

Scientific notation 1.21912912 × 10^8
Engineering notation 1.21912912 × 10^6

Prime Factorization of 121912912

Prime Factorization 2 × 2 × 2 × 2 × 11 × 89 × 43 × 181

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 15239114
Product of the distinct prime numbers

The prime factorization of 121912912 is 2 × 2 × 2 × 2 × 11 × 89 × 43 × 181. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 6, 31, 72, 807, 296, 1021, 7389, 52847, 15967, 724258, 568104, 5564354, 391561, 18532879, 50117004, 741116059, 213525971, 1027952413, 8209116130

Basic calculations (n = 121912912)

Multiplication

n×y
n×2 243825824
n×3 365738736
n×4 487651648
n×5 609564560

Division

n÷y
n÷2 60956456
n÷3 40637637.333333
n÷3 30478228
n÷5 24382582.4

Exponentiation

ny
n2 14862758112319744
n3 1.8119621218245E+24
n4 2.2090157870533E+32
n5 2.6930754725364E+40

Nth Root

y√n
2√n 11041.418024873
3√n 495.84952511365
4√n 105.07815198638
5√n 41.419985353

Divisors of 121912912

1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 89, 172, 176, 178, 181, 344, 356, 362, 473, 688, 712, 724, 946, 979, 1424, 1448, 1892, 1958, 1991, 2896, 3784, 3827, 3916, 3982, 7568, 7654, 7783, 7832, 7964, 15308, 15566, 15664, 15928, 16109, 30616, 31132, 31856, 32218, 42097, 61232, 62264, 64436, 84194, 85613, 124528, 128872, 168388, 171226, 177199, 257744, 336776, 342452, 354398, 673552, 684904, 692687, 708796, 1369808, 1385374, 1417592, 2770748, 2835184, 5541496, 7619557, 11082992, 15239114, 30478228, 60956456, 121912912

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121912911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121912912 can be divided by 80 positive divisors. The sum of these divisors (counting 121912912) is 1, the average is 0.0125.

Base conversion 121912912

Base System Value
2 Binary 111010001000011111001010000
3 Ternary 22111101211002001
4 Quaternary 13101003321100
5 Quinary 222202203122
6 Senary 20033003344
8 Octal 721037120
10 Decimal 121912912
12 Duodecimal 349b3554
16 Hexadecimal 7443e50
20 Vigesimal 1i1j25c
36 Base36 20l0ls

Cryptographic Hash Functions

md5 d3d5def7754f1bb58eca17cb6e98ba15
sha1 940138b14744d67dbd4bdbad1d8256a50900a6df
sha256 fc183da9060c0c5eb2a9562a8439ac4f09f0d59acb5d5b7fdc11ac91c19fc387
sha512 935d6f6a544e4aeb86de3e20ad079ae7523db5f7e2c8381ef1776cf20a810928646642c969452239f18a324ea4ac8e02da6587ba68a107c154a76abf54799baf
ripemd-160 e17bfc3d165c00bfff2b5edb19019ac51df164fc

121912912 as geometric shapes

Circle

Radius = n
Diameter 243825824
Circumference 766001417.43388
Area 4.6692731697746E+16

Sphere

Radius = n
Volume 7.5899291873425E+24
Surface area 1.8677092679098E+17
Circumference 766001417.43388

Square

Length = n
Perimeter 487651648
Area 14862758112319744
Diagonal 172410893.5788

Cube

Length = n
Surface area 89176548673918464
Volume 1.8119621218245E+24
Space diagonal 211159357.68267

Equilateral Triangle

Length = n
Perimeter 365738736
Area 6.4357630477861E+15
Altitude 105579678.84134

Triangular Pyramid

Length = n
Surface area 6.4357630477861E+15
Volume 2.1354178393255E+23
Height 57470297.859599