21712748904

Names of 21712748904

• Cardinal: 21712748904 can be written as Twenty-one billion, seven hundred twelve million, seven hundred forty-eight thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1712748904 × 10¹⁰

Factors of 21712748904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2002

Divisors of 21712748904

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 72 77 84 88 99 126 132 154 168 198 231 252 264 308 396 462 504 616 693 792 924 1386 1848 1979 2772 3958 5544 5937 7916 11874 13853 15832 17811 21769 23748 27706 35622 41559 43538 47496 55412 65307 71244 83118 87076 110824 124677 130614 142488 152383 166236 174152 195921 249354 261228 304766 332472 391842 457149 498708 522456 609532 783684 914298 997416 1219064 1371447 1567368 1828596 2742894 3657192 3916441 5485788 7832882 10971576 11749323 15665764 23498646 27415087 31331528 35247969 43080851 46997292 54830174 70495938 82245261 86161702 93994584 109660348 129242553 140991876 164490522 172323404 219320696 246735783 258485106 281983752 301565957 328981044 344646808 387727659 493471566 516970212 603131914 657962088 775455318 904697871 986943132 1033940424 1206263828 1550910636 1809395742 1973886264 2412527656 2714093613 3101821272 3618791484 5428187226 7237582968 10856374452 21712748904
• Sum of all divisors σ(n): 73352841120
• Sum of proper divisors (its aliquot sum) s(n): 51640092216
• 21712748904 is an abundant number, because the sum of its proper divisors (51640092216) is greater than itself. Its abundance is 29927343312

Bases of 21712748904

• Binary: 10100001110001011100100000101101000₂
• Hexadecimal: 0x50E2E4168
• Base-36: 9Z37KA0

Squares and roots of 21712748904

• 21712748904 squared (21712748904²) is 471443464968153201216
• 21712748904 cubed (21712748904³) is 10236333577285230814606795467264
• The square root of 21712748904 is 147352.4648724955
• The cube root of 21712748904 is 2789.7905789547

Scales and comparisons

• 21,712,748,904 seconds is equal to 690 years, 20 weeks, 4 days, 23 hours, 8 minutes, 24 seconds.
• To count from 1 to 21,712,748,904 would take you about one thousand, three hundred eighty 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 21712748904 cubic inches would be around 232.5 feet tall.

Recreational maths with 21712748904

• 21712748904 backwards is 40984721712
• The number of decimal digits it has is: 11
• The sum of 21712748904's digits is 45
• More coming soon!