21521410960

Names of 21521410960

• Cardinal: 21521410960 can be written as Twenty-one billion, five hundred twenty-one million, four hundred ten thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.152141096 × 10¹⁰

Factors of 21521410960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 87999

Divisors of 21521410960

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 23 28 35 38 40 46 56 70 76 80 92 95 112 115 133 140 152 161 184 190 230 266 280 304 322 368 380 437 460 532 560 644 665 760 805 874 920 1064 1288 1330 1520 1610 1748 1840 2128 2185 2576 2660 3059 3220 3496 4370 5320 6118 6440 6992 8740 10640 12236 12880 15295 17480 24472 30590 34960 48944 61180 87943 122360 175886 244720 351772 439715 615601 703544 879430 1231202 1407088 1670917 1758860 2022689 2462404 3078005 3341834 3517720 4045378 4924808 6156010 6683668 7035440 8090756 8354585 9849616 10113445 11696419 12312020 13367336 14158823 16181512 16709170 20226890 23392838 24624040 26734672 28317646 32363024 33418340 38431091 40453780 46785676 49248080 56635292 58482095 66836680 70794115 76862182 80907560 93571352 113270584 116964190 133673360 141588230 153724364 161815120 187142704 192155455 226541168 233928380 269017637 283176460 307448728 384310910 467856760 538035274 566352920 614897456 768621820 935713520 1076070548 1132705840 1345088185 1537243640 2152141096 2690176370 3074487280 4304282192 5380352740 10760705480 21521410960
• Sum of all divisors σ(n): 62813122560
• Sum of proper divisors (its aliquot sum) s(n): 41291711600
• 21521410960 is an abundant number, because the sum of its proper divisors (41291711600) is greater than itself. Its abundance is 19770300640

Bases of 21521410960

• Binary: 10100000010110001101010101110010000₂
• Hexadecimal: 0x502C6AB90
• Base-36: 9VXAIZ4

Squares and roots of 21521410960

• 21521410960 squared (21521410960²) is 463171129709208121600
• 21521410960 cubed (21521410960³) is 9968096227279333281123252736000
• The square root of 21521410960 is 146701.7755857099
• The cube root of 21521410960 is 2781.5716213951

Scales and comparisons

• 21,521,410,960 seconds is equal to 684 years, 16 weeks, 2 days, 9 hours, 42 minutes, 40 seconds.
• To count from 1 to 21,521,410,960 would take you about one thousand, three hundred sixty-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 21521410960 cubic inches would be around 231.8 feet tall.

Recreational maths with 21521410960

• 21521410960 backwards is 06901412512
• The number of decimal digits it has is: 11
• The sum of 21521410960's digits is 31
• More coming soon!