21628482276640

Names of 21628482276640

• Cardinal: 21628482276640 can be written as Twenty-one trillion, six hundred twenty-eight billion, four hundred eighty-two million, two hundred seventy-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.162848227664 × 10¹³

Factors of 21628482276640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 336666

Divisors of 21628482276640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 167 334 668 835 1336 1670 2423 2672 3340 4846 5344 6680 9692 12115 13360 19384 24230 26720 38768 48460 77536 96920 193840 334069 387680 404641 668138 809282 1336276 1618564 1670345 2023205 2672552 3237128 3340690 4046410 5345104 6474256 6681380 8092820 10690208 12948512 13362760 16185640 26725520 32371280 53451040 55789523 64742560 111579046 223158092 278947615 446316184 557895230 809449187 892632368 1115790460 1618898374 1785264736 2231580920 3237796748 4047245935 4463161840 6475593496 8094491870 8926323680 12951186992 16188983740 25902373984 32377967480 64755934960 129511869920 135178014229 270356028458 540712056916 675890071145 1081424113832 1351780142290 2162848227664 2703560284580 4325696455328 5407120569160 10814241138320 21628482276640
• Sum of all divisors σ(n): 51424629822720
• Sum of proper divisors (its aliquot sum) s(n): 29796147546080
• 21628482276640 is an abundant number, because the sum of its proper divisors (29796147546080) is greater than itself. Its abundance is 8167665269440

Bases of 21628482276640

• Binary: 100111010101111000110000000001100110100100000₂
• Hexadecimal: 0x13ABC600CD20
• Base-36: 7NZZJWZZ4

Squares and roots of 21628482276640

• 21628482276640 squared (21628482276640²) is 467791245590930597489689600
• 21628482276640 cubed (21628482276640³) is 10117614664430791971330037188734930944000
• The square root of 21628482276640 is 4650643.2110666155
• The cube root of 21628482276640 is 27861.7686452927

Scales and comparisons

• 21,628,482,276,640 seconds is equal to 687,718 years, 43 weeks, 2 days, 23 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,628,482,276,640 would take you about one million, seven hundred nineteen thousand, two hundred ninety-seven 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 21628482276640 cubic inches would be around 2321.8 feet tall.

Recreational maths with 21628482276640

• 21628482276640 backwards is 04667228482612
• The number of decimal digits it has is: 14
• The sum of 21628482276640's digits is 58
• More coming soon!