121520991 (number)

121520991 is an odd 9-digits composite number following 121520990 and preceding 121520992. In scientific notation, it is written as 1.21520991 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 75590144 positive integers (up to 121520991) that are relatively prime to 121520991.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million five hundred twenty thousand nine hundred ninety-one

Notation

Scientific notation 1.21520991 × 10^8
Engineering notation 1.21520991 × 10^6

Prime Factorization of 121520991

Prime Factorization 141 × 29 × 113 × 263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121520991
Product of the distinct prime numbers

The prime factorization of 121520991 is 141 × 29 × 113 × 263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 35, 36, 870, 861, 2093, 5016, 94767, 61370, 29271, 820685, 7807396, 5239610, 2227762, 7330727, 522129216, 80983788, 4277018811, 3874285853

Basic calculations (n = 121520991)

Multiplication

n×y
n×2 243041982
n×3 364562973
n×4 486083964
n×5 607604955

Division

n÷y
n÷2 60760495.5
n÷3 40506997
n÷3 30380247.75
n÷5 24304198.2

Exponentiation

ny
n2 14767351253622081
n3 1.7945431587852E+24
n4 2.1807466304785E+32
n5 2.6500649165566E+40

Nth Root

y√n
2√n 11023.655972498
3√n 495.31760863615
4√n 104.99359967397
5√n 41.393319962557

Divisors of 121520991

1, 29, 113, 141, 263, 3277, 4089, 7627, 15933, 29719, 37083, 462057, 861851, 1075407, 4190379, 121520991

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 -121520990
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 121520991 can be divided by 16 positive divisors. The sum of these divisors (counting 121520991) is 1, the average is 0.0625.

Base conversion 121520991

Base System Value
2 Binary 111001111100100001101011111
3 Ternary 22110122220110110
4 Quaternary 13033210031133
5 Quinary 222102132431
6 Senary 20020341103
8 Octal 717441537
10 Decimal 121520991
12 Duodecimal 34844793
16 Hexadecimal 73e435f
20 Vigesimal 1hja29b
36 Base36 20cm73

Cryptographic Hash Functions

md5 97f6b2aaea923343fed7dc08989b7d68
sha1 0bd5980bd5a1eaf4bace91bb47fe15ceab53fd28
sha256 04d394955c04d0e87cf345b74d332f86e9fdc5f3e648fb18ad5bfd5312c13d4b
sha512 e510ffc25716e1e5ec67c7a75fced85b0cc22c409997c1b70a44b7a5e13d42eee0a75cd2a8bd5281c045407a36dffb7534b9720e9397e2993ddfb2c06e739e36
ripemd-160 dd187162c1be83a8d6b497141e9b48f816ead688

121520991 as geometric shapes

Circle

Radius = n
Diameter 243041982
Circumference 763538905.1651
Area 4.6393002211359E+16

Sphere

Radius = n
Volume 7.5169648055861E+24
Surface area 1.8557200884544E+17
Circumference 763538905.1651

Square

Length = n
Perimeter 486083964
Area 14767351253622081
Diagonal 171856633.58522

Cube

Length = n
Surface area 88604107521732486
Volume 1.7945431587852E+24
Space diagonal 210480530.59812

Equilateral Triangle

Length = n
Perimeter 364562973
Area 6.3944506661223E+15
Altitude 105240265.29906

Triangular Pyramid

Length = n
Surface area 6.3944506661223E+15
Volume 2.114889394515E+23
Height 57285544.528406