121649891 (number)

121649891 is an odd 9-digits composite number following 121649890 and preceding 121649892. In scientific notation, it is written as 1.21649891 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 110590700 positive integers (up to 121649891) that are relatively prime to 121649891.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million six hundred forty-nine thousand eight hundred ninety-one

Notation

Scientific notation 1.21649891 × 10^8
Engineering notation 1.21649891 × 10^6

Prime Factorization of 121649891

Prime Factorization 121 × 1005371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 121649891
Product of the distinct prime numbers

The prime factorization of 121649891 is 121 × 1005371. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 95, 58, 995, 408, 3748, 8758, 15437, 16170, 37026, 183618, 5570262, 1969908, 71229844, 67757166, 793260544, 907342671, 1457720155, 9132583318

Basic calculations (n = 121649891)

Multiplication

n×y
n×2 243299782
n×3 364949673
n×4 486599564
n×5 608249455

Division

n÷y
n÷2 60824945.5
n÷3 40549963.666667
n÷3 30412472.75
n÷5 24329978.2

Exponentiation

ny
n2 14798695980311881
n3 1.8002597529471E+24
n4 2.190014027177E+32
n5 2.6641496769455E+40

Nth Root

y√n
2√n 11029.500940659
3√n 495.49267819431
4√n 105.0214308637
5√n 41.402097600895

Divisors of 121649891

1, 121, 1005371, 121649891

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 -121649890
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 121649891 can be divided by 4 positive divisors. The sum of these divisors (counting 121649891) is 1, the average is 0.25.

Base conversion 121649891

Base System Value
2 Binary 111010000000011101011100011
3 Ternary 22110220110021112
4 Quaternary 13100003223203
5 Quinary 222120244031
6 Senary 20023213535
8 Octal 720035343
10 Decimal 121649891
12 Duodecimal 348a72ab
16 Hexadecimal 7403ae3
20 Vigesimal 1i064eb
36 Base36 20fdnn

Cryptographic Hash Functions

md5 5b920958adb4066cc5f84ad08389b28d
sha1 1ece573086650be909554a8bd7e1896f56f24ba8
sha256 6bba4a90bbc55a52cddc6b1b188f05b5abaaa3c78535e34700b587d40c1c1f1f
sha512 f60b7de81fbf5b19c1c981c61df6dfafb32728cc0f3e05a6def1c6f8885b5294078d5958f738a971114bfc861f4aba1ed36f6e7b1faa3e50b96be679905d09b4
ripemd-160 4e91269ab3d5d3f629c401adece25eb56994e8fc

121649891 as geometric shapes

Circle

Radius = n
Diameter 243299782
Circumference 764348807.7512
Area 4.6491474574457E+16

Sphere

Radius = n
Volume 7.5409104192159E+24
Surface area 1.8596589829783E+17
Circumference 764348807.7512

Square

Length = n
Perimeter 486599564
Area 14798695980311881
Diagonal 172038925.71341

Cube

Length = n
Surface area 88792175881871286
Volume 1.8002597529471E+24
Space diagonal 210703791.94722

Equilateral Triangle

Length = n
Perimeter 364949673
Area 6.4080233309164E+15
Altitude 105351895.97361

Triangular Pyramid

Length = n
Surface area 6.4080233309164E+15
Volume 2.1216264653435E+23
Height 57346308.571136