138421921 (number)

138421921 is an odd 9-digits composite number following 138421920 and preceding 138421922. In scientific notation, it is written as 1.38421921 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 122436720 positive integers (up to 138421921) that are relatively prime to 138421921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38421921 × 10^8
Engineering notation 1.38421921 × 10^6

Prime Factorization of 138421921

Prime Factorization 11 × 37 × 340103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138421921
Product of the distinct prime numbers

The prime factorization of 138421921 is 11 × 37 × 340103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 4, 4, 941, 997, 2907, 8158, 74349, 87150, 532810, 416447, 345132, 627913, 55056310, 99091960, 480312411, 32242178, 2473137142, 6024953057

Basic calculations (n = 138421921)

Multiplication

n×y
n×2 276843842
n×3 415265763
n×4 553687684
n×5 692109605

Division

n÷y
n÷2 69210960.5
n÷3 46140640.333333
n÷3 34605480.25
n÷5 27684384.2

Exponentiation

ny
n2 19160628213330241
n3 2.652250964856E+24
n4 3.6712967352947E+32
n5 5.0818794666052E+40

Nth Root

y√n
2√n 11765.284569444
3√n 517.29104152886
4√n 108.46789649221
5√n 42.485523546361

Divisors of 138421921

1, 11, 37, 407, 340103, 3741133, 12583811, 138421921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138421920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138421921 can be divided by 8 positive divisors. The sum of these divisors (counting 138421921) is 1, the average is 0.125.

Base conversion 138421921

Base System Value
2 Binary 1000010000000010011010100001
3 Ternary 100122110120011211
4 Quaternary 20100002122201
5 Quinary 240414000141
6 Senary 21422510121
8 Octal 1020023241
10 Decimal 138421921
12 Duodecimal 3a435341
16 Hexadecimal 84026a1
20 Vigesimal 2352eg1
36 Base36 2aev1d

Cryptographic Hash Functions

md5 5501f3967c04c04a9767252e8ddba4d2
sha1 e6176b7cda401b67e2d9dc06c373e96b93c56879
sha256 71de749ace2e5d8749c6d6bd76a1d30103dea08bb09ffdc32232bc16099ab045
sha512 96daf9a55f1ec0d7335dd4ab445c24667e5b292c8708d78fe7cd3c534e5d0bf91e30d2498966a99d4e8ff273bc1af591a51b4a97ff5b9df9f72d689d6e01cfae
ripemd-160 e039f701b946464b5a4cd32d489abc147e5faae3

138421921 as geometric shapes

Circle

Radius = n
Diameter 276843842
Circumference 869730580.21877
Area 6.0194888833164E+16

Sphere

Radius = n
Volume 1.1109722862224E+25
Surface area 2.4077955533265E+17
Circumference 869730580.21877

Square

Length = n
Perimeter 553687684
Area 19160628213330241
Diagonal 195758158.00794

Cube

Length = n
Surface area 114963769279981446
Volume 2.652250964856E+24
Space diagonal 239753800.05329

Equilateral Triangle

Length = n
Perimeter 415265763
Area 8.2967953926064E+15
Altitude 119876900.02664

Triangular Pyramid

Length = n
Surface area 8.2967953926064E+15
Volume 3.1257077377637E+23
Height 65252719.335979