21291046000

Names of 21291046000

• Cardinal: 21291046000 can be written as Twenty-one billion, two hundred ninety-one million, forty-six thousand.

Scientific notation

• Scientific notation: 2.1291046 × 10¹⁰

Factors of 21291046000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 272

Divisors of 21291046000

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 29 35 40 50 56 58 70 80 100 112 116 125 140 145 175 200 203 229 232 250 280 290 350 400 406 458 464 500 560 580 700 725 812 875 916 1000 1015 1145 1160 1400 1450 1603 1624 1750 1832 2000 2030 2290 2320 2800 2900 3206 3248 3500 3625 3664 4060 4580 5075 5725 5800 6412 6641 7000 7250 8015 8120 9160 10150 11450 11600 12824 13282 14000 14500 16030 16240 18320 20300 22900 25375 25648 26564 28625 29000 32060 33205 40075 40600 45800 46487 50750 52441 53128 57250 58000 64120 66410 80150 81200 91600 92974 101500 104882 106256 114500 128240 132820 160300 166025 185948 200375 203000 209764 229000 232435 262205 265640 320600 332050 367087 371896 400750 406000 419528 458000 464870 524410 531280 641200 664100 734174 743792 801500 830125 839056 929740 1048820 1162175 1311025 1328200 1468348 1520789 1603000 1660250 1835435 1859480 2097640 2324350 2622050 2656400 2936696 3041578 3206000 3320500 3670870 3718960 4195280 4648700 5244100 5810875 5873392 6083156 6555125 6641000 7341740 7603945 9177175 9297400 10488200 10645523 11621750 12166312 13110250 13282000 14683480 15207890 18354350 18594800 20976400 21291046 23243500 24332624 26220500 29366960 30415780 36708700 38019725 42582092 45885875 46487000 52441000 53227615 60831560 73417400 76039450 85164184 91771750 92974000 104882000 106455230 121663120 146834800 152078900 170328368 183543500 190098625 212910460 266138075 304157800 367087000 380197250 425820920 532276150 608315600 734174000 760394500 851641840 1064552300 1330690375 1520789000 2129104600 2661380750 3041578000 4258209200 5322761500 10645523000 21291046000
• Sum of all divisors σ(n): 61132069440
• Sum of proper divisors (its aliquot sum) s(n): 39841023440
• 21291046000 is an abundant number, because the sum of its proper divisors (39841023440) is greater than itself. Its abundance is 18549977440

Bases of 21291046000

• Binary: 10011110101000010111001010001110000₂
• Hexadecimal: 0x4F50B9470
• Base-36: 9S4508G

Squares and roots of 21291046000

• 21291046000 squared (21291046000²) is 453308639774116000000
• 21291046000 cubed (21291046000³) is 9651415101628133365336000000000
• The square root of 21291046000 is 145914.5160701977
• The cube root of 21291046000 is 2771.6113602875

Scales and comparisons

• 21,291,046,000 seconds is equal to 676 years, 51 weeks, 3 days, 3 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,291,046,000 would take you about one thousand, three hundred fifty-three 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 21291046000 cubic inches would be around 231 feet tall.

Recreational maths with 21291046000

• 21291046000 backwards is 00064019212
• 21291046000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21291046000's digits is 25
• More coming soon!