21070841904

Names of 21070841904

• Cardinal: 21070841904 can be written as Twenty-one billion, seventy million, eight hundred forty-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1070841904 × 10¹⁰

Factors of 21070841904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 203

Divisors of 21070841904

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 191 216 252 336 378 382 432 504 573 756 764 1008 1146 1337 1512 1528 1719 2292 2674 3024 3056 3438 4011 4584 5157 5348 6876 8022 9168 10314 10696 12033 13752 16044 20628 21392 24066 27504 32088 36099 36481 41256 48132 64176 72198 72962 82512 96264 109443 144396 145924 192528 218886 255367 288792 291848 328329 437772 510734 577584 583696 656658 766101 875544 984987 1021468 1313316 1532202 1751088 1969974 2042936 2298303 2626632 3064404 3939948 4085872 4596606 5253264 6128808 6894909 6967871 7879896 9193212 12257616 13789818 13935742 15759792 18386424 20903613 27579636 27871484 36772848 41807226 48775097 55159272 55742968 62710839 83614452 97550194 110318544 111485936 125421678 146325291 167228904 188132517 195100388 250843356 292650582 334457808 376265034 390200776 438975873 501686712 585301164 752530068 780401552 877951746 1003373424 1170602328 1316927619 1505060136 1755903492 2341204656 2633855238 3010120272 3511806984 5267710476 7023613968 10535420952 21070841904
• Sum of all divisors σ(n): 69485076480
• Sum of proper divisors (its aliquot sum) s(n): 48414234576
• 21070841904 is an abundant number, because the sum of its proper divisors (48414234576) is greater than itself. Its abundance is 27343392672

Bases of 21070841904

• Binary: 10011100111111010111000100000110000₂
• Hexadecimal: 0x4E7EB8830
• Base-36: 9OH19O0

Squares and roots of 21070841904

• 21070841904 squared (21070841904²) is 443980378543362345216
• 21070841904 cubed (21070841904³) is 9355040364765261784633006731264
• The square root of 21070841904 is 145157.9894597607
• The cube root of 21070841904 is 2762.0230347449

Scales and comparisons

• 21,070,841,904 seconds is equal to 669 years, 51 weeks, 2 days, 11 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,070,841,904 would take you about one thousand, three hundred thirty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21070841904 cubic inches would be around 230.2 feet tall.

Recreational maths with 21070841904

• 21070841904 backwards is 40914807012
• 21070841904 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21070841904's digits is 36
• More coming soon!