215156921 (number)

215156921 is an odd 9-digits composite number following 215156920 and preceding 215156922. In scientific notation, it is written as 2.15156921 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 184420212 positive integers (up to 215156921) that are relatively prime to 215156921.

Interesting facts

Basic properties

Name

Name two hundred fifteen million one hundred fifty-six thousand nine hundred twenty-one

Notation

Scientific notation 2.15156921 × 10^8
Engineering notation 2.15156921 × 10^6

Prime Factorization of 215156921

Prime Factorization 7 × 30736703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 215156921
Product of the distinct prime numbers

The prime factorization of 215156921 is 7 × 30736703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 27, 31, 54, 251, 1285, 3119, 2720, 39869, 247641, 936777, 9931412, 907894, 95253383, 62692425, 716472743, 716421779, 9354355175, 2705963144

Basic calculations (n = 215156921)

Multiplication

n×y
n×2 430313842
n×3 645470763
n×4 860627684
n×5 1075784605

Division

n÷y
n÷2 107578460.5
n÷3 71718973.666667
n÷3 53789230.25
n÷5 43031384.2

Exponentiation

ny
n2 46292500654200241
n3 9.9601519061482E+24
n4 2.1429956168191E+33
n5 4.610803386313E+41

Nth Root

y√n
2√n 14668.228284288
3√n 599.21835345294
4√n 121.11246130885
5√n 46.403534782932

Divisors of 215156921

1, 7, 30736703, 215156921

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 -215156920
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 215156921 can be divided by 4 positive divisors. The sum of these divisors (counting 215156921) is 1, the average is 0.25.

Base conversion 215156921

Base System Value
2 Binary 1100110100110000100010111001
3 Ternary 112222212002210212
4 Quaternary 30310300202321
5 Quinary 420040010141
6 Senary 33203320505
8 Octal 1464604271
10 Decimal 215156921
12 Duodecimal 60080135
16 Hexadecimal cd308b9
20 Vigesimal 374ec61
36 Base36 3k3k55

Cryptographic Hash Functions

md5 f171a7b95e5645917995df51aaa67467
sha1 2fa699860b0726dcc75c570627b0cf0a503b01cf
sha256 9daafe306b361e76c985dfd5706a4bd24e82b0d85e176acc57ab0a986842c223
sha512 b0d04ba68fac01f0312edf2f03bced5fcb49024a5233bdb0af496b6275b825fb019b686b44ec2b95a50d1a3e4542441012386658488ee0066c81a17bcafecc62
ripemd-160 6aa6c657886699b89fb6d62f7688a5c56a959a98

215156921 as geometric shapes

Circle

Radius = n
Diameter 430313842
Circumference 1351870804.7652
Area 1.4543217997154E+17

Sphere

Radius = n
Volume 4.1720986742658E+25
Surface area 5.8172871988614E+17
Circumference 1351870804.7652

Square

Length = n
Perimeter 860627684
Area 46292500654200241
Diagonal 304277835.71664

Cube

Length = n
Surface area 277755003925201446
Volume 9.9601519061482E+24
Space diagonal 372662718.77208

Equilateral Triangle

Length = n
Perimeter 645470763
Area 2.0045240785623E+16
Altitude 186331359.38604

Triangular Pyramid

Length = n
Surface area 2.0045240785623E+16
Volume 1.1738151590809E+24
Height 101425945.23888