21506342760

Names of 21506342760

• Cardinal: 21506342760 can be written as Twenty-one billion, five hundred six million, three hundred forty-two thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.150634276 × 10¹⁰

Factors of 21506342760

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 49521

Divisors of 21506342760

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 173 180 210 252 280 315 346 360 420 504 519 630 692 840 865 1038 1211 1260 1384 1557 1730 2076 2422 2520 2595 3114 3460 3633 4152 4844 5190 6055 6228 6920 7266 7785 9688 10380 10899 12110 12456 14532 15570 18165 20760 21798 24220 29064 31140 36330 43596 48440 49331 54495 62280 72660 87192 98662 108990 145320 147993 197324 217980 246655 295986 345317 394648 435960 443979 493310 591972 690634 739965 887958 986620 1035951 1183944 1381268 1479930 1726585 1775916 1973240 2071902 2219895 2762536 2959860 3107853 3453170 3551832 4143804 4439790 5179755 5919720 6215706 6906340 8287608 8534263 8879580 10359510 12431412 13812680 15539265 17068526 17759160 20719020 24862824 25602789 31078530 34137052 41438040 42671315 51205578 59739841 62157060 68274104 76808367 85342630 102411156 119479682 124314120 128013945 153616734 170685260 179219523 204822312 238959364 256027890 298699205 307233468 341370520 358439046 384041835 477918728 512055780 537658569 597398410 614466936 716878092 768083670 896097615 1024111560 1075317138 1194796820 1433756184 1536167340 1792195230 2150634276 2389593640 2688292845 3072334680 3584390460 4301268552 5376585690 7168780920 10753171380 21506342760
• Sum of all divisors σ(n): 80344068480
• Sum of proper divisors (its aliquot sum) s(n): 58837725720
• 21506342760 is an abundant number, because the sum of its proper divisors (58837725720) is greater than itself. Its abundance is 37331382960

Bases of 21506342760

• Binary: 10100000001111000001011111101101000₂
• Hexadecimal: 0x501E0BF68
• Base-36: 9VOBKA0

Squares and roots of 21506342760

• 21506342760 squared (21506342760²) is 462522778910604417600
• 21506342760 cubed (21506342760³) is 9947173417559158003675776576000
• The square root of 21506342760 is 146650.4100232931
• The cube root of 21506342760 is 2780.9222980579

Scales and comparisons

• 21,506,342,760 seconds is equal to 683 years, 43 weeks, 3 days, 6 minutes.
• To count from 1 to 21,506,342,760 would take you about one thousand, three hundred sixty-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 21506342760 cubic inches would be around 231.7 feet tall.

Recreational maths with 21506342760

• 21506342760 backwards is 06724360512
• 21506342760 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21506342760's digits is 36
• More coming soon!