21682016064

Names of 21682016064

• Cardinal: 21682016064 can be written as Twenty-one billion, six hundred eighty-two million, sixteen thousand and sixty-four.

Scientific notation

• Scientific notation: 2.1682016064 × 10¹⁰

Factors of 21682016064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 569

Divisors of 21682016064

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 181 192 216 288 362 383 432 543 576 724 766 864 1086 1149 1448 1532 1629 1728 2172 2298 2896 3064 3258 3447 4344 4596 4887 5792 6128 6516 6894 8688 9192 9774 10341 11584 12256 13032 13788 17376 18384 19548 20682 24512 26064 27576 32761 34752 36768 39096 41364 52128 55152 65522 69323 73536 78192 82728 98283 104256 110304 131044 138646 156384 165456 196566 207969 220608 262088 277292 294849 312768 330912 393132 415938 524176 554584 589698 623907 661824 786264 831876 884547 1048352 1109168 1179396 1247814 1572528 1663752 1769094 1871721 2096704 2218336 2358792 2495628 3145056 3327504 3538188 3743442 4436672 4717584 4991256 6290112 6655008 7076376 7486884 9435168 9982512 12547463 13310016 14152752 14973768 18870336 19965024 25094926 28305504 29947536 37642389 39930048 50189852 56611008 59895072 75284778 100379704 112927167 119790144 150569556 200759408 225854334 301139112 338781501 401518816 451708668 602278224 677563002 803037632 903417336 1204556448 1355126004 1806834672 2409112896 2710252008 3613669344 5420504016 7227338688 10841008032 21682016064
• Sum of all divisors σ(n): 64262568960
• Sum of proper divisors (its aliquot sum) s(n): 42580552896
• 21682016064 is an abundant number, because the sum of its proper divisors (42580552896) is greater than itself. Its abundance is 20898536832

Bases of 21682016064

• Binary: 10100001100010110010100111101000000₂
• Hexadecimal: 0x50C594F40
• Base-36: 9YKWUO0

Squares and roots of 21682016064

• 21682016064 squared (21682016064²) is 470109820599554052096
• 21682016064 cubed (21682016064³) is 10192928682083689068781764870144
• The square root of 21682016064 is 147248.1445180211
• The cube root of 21682016064 is 2788.4737079035

Scales and comparisons

• 21,682,016,064 seconds is equal to 689 years, 21 weeks, 6 days, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,682,016,064 would take you about one thousand, three hundred seventy-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 21682016064 cubic inches would be around 232.4 feet tall.

Recreational maths with 21682016064

• 21682016064 backwards is 46061028612
• 21682016064 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21682016064's digits is 36
• More coming soon!