21557337568144

Names of 21557337568144

• Cardinal: 21557337568144 can be written as Twenty-one trillion, five hundred fifty-seven billion, three hundred thirty-seven million, five hundred sixty-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1557337568144 × 10¹³

Factors of 21557337568144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2187

Divisors of 21557337568144

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 79 98 112 158 196 316 392 553 632 784 1106 1264 2099 2212 3871 4198 4424 6241 7742 8396 8848 12482 14693 15484 16792 24964 29386 30968 33584 43687 49928 58772 61936 87374 99856 102851 117544 165821 174748 205702 235088 305809 331642 349496 411404 611618 663284 698992 822808 1160747 1223236 1326568 1645616 2321494 2446472 2653136 4405801 4642988 4892944 8125229 8811602 9285976 13099859 16250458 17623204 18571952 26199718 30840607 32500916 35246408 52399436 61681214 65001832 70492816 91699013 104798872 123362428 130003664 183398026 209597744 215884249 246724856 348058279 366796052 431768498 493449712 641893091 696116558 733592104 863536996 1283786182 1392233116 1467184208 1727073992 2436407953 2567572364 2784466232 3454147984 4872815906 5135144728 5568932464 9745631812 10270289456 17054855671 19491263624 27496604041 34109711342 38982527248 54993208082 68219422684 109986416164 136438845368 192476228287 219972832328 272877690736 384952456574 439945664656 769904913148 1347333598009 1539809826296 2694667196018 3079619652592 5389334392036 10778668784072 21557337568144
• Sum of all divisors σ(n): 49232758704507
• Sum of proper divisors (its aliquot sum) s(n): 27675421136363
• 21557337568144 is an abundant number, because the sum of its proper divisors (27675421136363) is greater than itself. Its abundance is 6118083568219

Bases of 21557337568144

• Binary: 100111001101100110101011100101011001110010000₂
• Hexadecimal: 0x139B3572B390
• Base-36: 7N3AY6ZKG

Squares and roots of 21557337568144

• 21557337568144 squared (21557337568144²) is 464718803026912667843604736
• 21557337568144 cubed (21557337568144³) is 10018100111114976077195921348085001129984
• 21557337568144 is a perfect square number. Its square root is 4642988
• The cube root of 21557337568144 is 27831.1855959243

Scales and comparisons

• 21,557,337,568,144 seconds is equal to 685,456 years, 33 weeks, 6 days, 20 hours, 29 minutes, 4 seconds.
• To count from 1 to 21,557,337,568,144 would take you about one million, seven hundred thirteen thousand, six hundred forty-one 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 21557337568144 cubic inches would be around 2319.3 feet tall.

Recreational maths with 21557337568144

• 21557337568144 backwards is 44186573375512
• The number of decimal digits it has is: 14
• The sum of 21557337568144's digits is 61
• More coming soon!