121938861 (number)

121938861 is an odd 9-digits composite number following 121938860 and preceding 121938862. In scientific notation, it is written as 1.21938861 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 72072000 positive integers (up to 121938861) that are relatively prime to 121938861.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred thirty-eight thousand eight hundred sixty-one

Notation

Scientific notation 1.21938861 × 10^8
Engineering notation 1.21938861 × 10^6

Prime Factorization of 121938861

Prime Factorization 3 × 11 × 67 × 131 × 421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 121938861
Product of the distinct prime numbers

The prime factorization of 121938861 is 3 × 11 × 67 × 131 × 421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 34, 18, 438, 733, 8800, 171, 92592, 98825, 590385, 508336, 2388314, 7888428, 90079965, 51338536, 561271418, 276206849, 6307556020, 8221827401

Basic calculations (n = 121938861)

Multiplication

n×y
n×2 243877722
n×3 365816583
n×4 487755444
n×5 609694305

Division

n÷y
n÷2 60969430.5
n÷3 40646287
n÷3 30484715.25
n÷5 24387772.2

Exponentiation

ny
n2 14869085821977321
n3 1.8131193892432E+24
n4 2.2108971318133E+32
n5 2.6959427804148E+40

Nth Root

y√n
2√n 11042.593037869
3√n 495.88470292031
4√n 105.08374297611
5√n 41.421748440577

Divisors of 121938861

1, 3, 11, 33, 67, 131, 201, 393, 421, 737, 1263, 1441, 2211, 4323, 4631, 8777, 13893, 26331, 28207, 55151, 84621, 96547, 165453, 289641, 310277, 606661, 930831, 1819983, 3695117, 11085351, 40646287, 121938861

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 -121938860
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 121938861 can be divided by 32 positive divisors. The sum of these divisors (counting 121938861) is 1, the average is 0.03125.

Base conversion 121938861

Base System Value
2 Binary 111010001001010001110101101
3 Ternary 22111110010200010
4 Quaternary 13101022032231
5 Quinary 222204020421
6 Senary 20033323433
8 Octal 721121655
10 Decimal 121938861
12 Duodecimal 34a06579
16 Hexadecimal 744a3ad
20 Vigesimal 1i22731
36 Base36 20lkml

Cryptographic Hash Functions

md5 b6127232c965966b53a97930d535bca9
sha1 271ab107bf189cacd9169d9643a81b8bb7da6db7
sha256 d22f780835343c2ef0aacf68d5db1482c5cd4aaaf2944163ac7775ebd47347a6
sha512 6f2b6825c0e85269a1f8a9690f6695796aa87da0b3d7eff48cc6517a7d32eed1c1828e300659a0d046d6c10a376e0535fbb695b35a0f2e5285e67c826dad8876
ripemd-160 f8342d71442722e518fd41ea73ab74f9d638eaa8

121938861 as geometric shapes

Circle

Radius = n
Diameter 243877722
Circumference 766164459.80941
Area 4.671261078392E+16

Sphere

Radius = n
Volume 7.59477673777E+24
Surface area 1.8685044313568E+17
Circumference 766164459.80941

Square

Length = n
Perimeter 487755444
Area 14869085821977321
Diagonal 172447591.00653

Cube

Length = n
Surface area 89214514931863926
Volume 1.8131193892432E+24
Space diagonal 211204302.66908

Equilateral Triangle

Length = n
Perimeter 365816583
Area 6.4385030264417E+15
Altitude 105602151.33454

Triangular Pyramid

Length = n
Surface area 6.4385030264417E+15
Volume 2.1367816920578E+23
Height 57482530.335509