21040392000384

Names of 21040392000384

• Cardinal: 21040392000384 can be written as Twenty-one trillion, forty billion, three hundred ninety-two million, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1040392000384 × 10¹³

Factors of 21040392000384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 35191371

Divisors of 21040392000384

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 173 192 216 288 346 384 432 519 576 692 864 1038 1152 1384 1557 1728 2076 2768 3114 3456 4152 4671 5536 6228 8304 9342 11072 12456 16608 18684 22144 24912 33216 37368 49824 66432 74736 99648 149472 199296 298944 597888 35191193 70382386 105573579 140764772 211147158 281529544 316720737 422294316 563059088 633441474 844588632 950162211 1126118176 1266882948 1689177264 1900324422 2252236352 2533765896 3378354528 3800648844 4504472704 5067531792 6088076389 6756709056 7601297688 10135063584 12176152778 13513418112 15202595376 18264229167 20270127168 24352305556 30405190752 36528458334 40540254336 48704611112 54792687501 60810381504 73056916668 97409222224 109585375002 121620763008 146113833336 164378062503 194818444448 219170750004 292227666672 328756125006 389636888896 438341500008 584455333344 657512250012 779273777792 876683000016 1168910666688 1315024500024 1753366000032 2337821333376 2630049000048 3506732000064 5260098000096 7013464000128 10520196000192 21040392000384
• Sum of all divisors σ(n): 62457331111200
• Sum of proper divisors (its aliquot sum) s(n): 41416939110816
• 21040392000384 is an abundant number, because the sum of its proper divisors (41416939110816) is greater than itself. Its abundance is 20376547110432

Bases of 21040392000384

• Binary: 100110010001011011001000101110101001110000000₂
• Hexadecimal: 0x1322D9175380
• Base-36: 7GHTM5EO0

Squares and roots of 21040392000384

• 21040392000384 squared (21040392000384²) is 442698095529823021056147456
• 21040392000384 cubed (21040392000384³) is 9314541467770920122329048524128312623104
• The square root of 21040392000384 is 4586980.7063452971
• The cube root of 21040392000384 is 27606.9190804245

Scales and comparisons

• 21,040,392,000,384 seconds is equal to 669,019 years, 19 weeks, 6 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,040,392,000,384 would take you about one million, six hundred seventy-two thousand, five hundred forty-eight 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 21040392000384 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040392000384

• 21040392000384 backwards is 48300029304012
• 21040392000384 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21040392000384's digits is 36
• More coming soon!