121639938 (number)

121639938 is an even 9-digits composite number following 121639937 and preceding 121639939. In scientific notation, it is written as 1.21639938 × 10^8. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 32752512 positive integers (up to 121639938) that are relatively prime to 121639938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21639938 × 10^8
Engineering notation 1.21639938 × 10^6

Prime Factorization of 121639938

Prime Factorization 2 × 7 × 3 × 19 × 313 × 487

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 121639938
Product of the distinct prime numbers

The prime factorization of 121639938 is 2 × 7 × 3 × 19 × 313 × 487. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 9, 25, 42, 23, 835, 9286, 7345, 9665, 73844, 857353, 808310, 5360782, 8219884, 88592176, 20149203, 79893759, 839778780, 5142119197, 127911041

Basic calculations (n = 121639938)

Multiplication

n×y
n×2 243279876
n×3 364919814
n×4 486559752
n×5 608199690

Division

n÷y
n÷2 60819969
n÷3 40546646
n÷3 30409984.5
n÷5 24327987.6

Exponentiation

ny
n2 14796274516643844
n3 1.7998179148355E+24
n4 2.1892973957188E+32
n5 2.663059994788E+40

Nth Root

y√n
2√n 11029.049732411
3√n 495.47916462383
4√n 105.01928266948
5√n 41.401420101622

Divisors of 121639938

1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 313, 399, 487, 626, 798, 939, 974, 1461, 1878, 2191, 2922, 3409, 4382, 5947, 6573, 6818, 9253, 10227, 11894, 13146, 17841, 18506, 20454, 27759, 35682, 41629, 55518, 64771, 83258, 124887, 129542, 152431, 194313, 249774, 304862, 388626, 457293, 914586, 1067017, 2134034, 2896189, 3201051, 5792378, 6402102, 8688567, 17377134, 20273323, 40546646, 60819969, 121639938

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121639937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121639938 can be divided by 64 positive divisors. The sum of these divisors (counting 121639938) is 1, the average is 0.015625.

Base conversion 121639938

Base System Value
2 Binary 111010000000001010000000010
3 Ternary 22110212221121220
4 Quaternary 13100001100002
5 Quinary 222114434223
6 Senary 20023055510
8 Octal 720012002
10 Decimal 121639938
12 Duodecimal 348a1596
16 Hexadecimal 7401402
20 Vigesimal 1i04jgi
36 Base36 20f5z6

Cryptographic Hash Functions

md5 bb62d5cdab5ddc89a6ad43ad65b49812
sha1 34b5588539c24734a6d59636a00930f992ac5000
sha256 910cecfb502eefa776b991a51bc9befcb69b38ec623b6200ad8dfca43a41f7fb
sha512 1d574efb7c1e107679ca44bec4bd976f7e8a7ebdb199f2efd623b4b8f42fe111a4e507c3cb7cc7300505fcafa400cddd0ba0fb19aa65a740af64ad1eb9f01597
ripemd-160 bcdcc576b68d8597b21f3e92d3e213126cbee703

121639938 as geometric shapes

Circle

Radius = n
Diameter 243279876
Circumference 764286271.20784
Area 4.6483867321986E+16

Sphere

Radius = n
Volume 7.5390596520622E+24
Surface area 1.8593546928794E+17
Circumference 764286271.20784

Square

Length = n
Perimeter 486559752
Area 14796274516643844
Diagonal 172024850.04582

Cube

Length = n
Surface area 88777647099863064
Volume 1.7998179148355E+24
Space diagonal 210686552.84553

Equilateral Triangle

Length = n
Perimeter 364919814
Area 6.4069748063909E+15
Altitude 105343276.42276

Triangular Pyramid

Length = n
Surface area 6.4069748063909E+15
Volume 2.1211057541354E+23
Height 57341616.681941