31138961 (number)

31138961 is an odd 8-digits composite number following 31138960 and preceding 31138962. In scientific notation, it is written as 3.1138961 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 26235720 positive integers (up to 31138961) that are relatively prime to 31138961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1138961 × 10^7
Engineering notation 3.1138961 × 10^6

Prime Factorization of 31138961

Prime Factorization 49 × 59 × 10771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31138961
Product of the distinct prime numbers

The prime factorization of 31138961 is 49 × 59 × 10771. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 100, 21, 102, 101, 5516, 9217, 42654, 1422, 585153, 339128, 6745783, 1392197, 64999124, 59277703, 28744670, 161144311, 1060099550, 3514087494

Basic calculations (n = 31138961)

Multiplication

n×y
n×2 62277922
n×3 93416883
n×4 124555844
n×5 155694805

Division

n÷y
n÷2 15569480.5
n÷3 10379653.666667
n÷3 7784740.25
n÷5 6227792.2

Exponentiation

ny
n2 969634892159521
n3 3.0193423091195E+22
n4 9.4019182409321E+29
n5 2.9276596542957E+37

Nth Root

y√n
2√n 5580.2294755682
3√n 314.60675206952
4√n 74.700933565573
5√n 31.525415811895

Divisors of 31138961

1, 49, 59, 2891, 10771, 527779, 635489, 31138961

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 -31138960
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 31138961 can be divided by 8 positive divisors. The sum of these divisors (counting 31138961) is 1, the average is 0.125.

Base conversion 31138961

Base System Value
2 Binary 1110110110010010010010001
3 Ternary 2011121000121212
4 Quaternary 1312302102101
5 Quinary 30432421321
6 Senary 3031225505
8 Octal 166622221
10 Decimal 31138961
12 Duodecimal a518295
16 Hexadecimal 1db2491
20 Vigesimal 9ec781
36 Base36 ijez5

Cryptographic Hash Functions

md5 dd080fd8889b4d41da7779c478a88368
sha1 550da10a378605e0d67ab907c3c8f0ec6190a7a7
sha256 77a7ba84ff5907d38e7499efcc72aa2902f676bc574aa94afe4ead1a8ec8e5be
sha512 857efb34dece7763248cc824559d37eed6001de202d5d8c168d535dedcc9b384d7d731871a6a48fc6f4f7bb4a18f3da666e4111aee1b62837df8820fa0869303
ripemd-160 64e09d4ccd00d97e78b4f8c49b3705183fbebd4f

31138961 as geometric shapes

Circle

Radius = n
Diameter 62277922
Circumference 195651862.23604
Area 3.0461978538727E+15

Sphere

Radius = n
Volume 1.2647391489337E+23
Surface area 1.2184791415491E+16
Circumference 195651862.23604

Square

Length = n
Perimeter 124555844
Area 969634892159521
Diagonal 44037140.964407

Cube

Length = n
Surface area 5817809352957126
Volume 3.0193423091195E+22
Space diagonal 53934262.546906

Equilateral Triangle

Length = n
Perimeter 93416883
Area 4.1986422450296E+14
Altitude 26967131.273453

Triangular Pyramid

Length = n
Surface area 4.1986422450296E+14
Volume 3.5583290358364E+21
Height 14679046.988136