21947744000

Names of 21947744000

• Cardinal: 21947744000 can be written as Twenty-one billion, nine hundred forty-seven million, seven hundred forty-four thousand.

Scientific notation

• Scientific notation: 2.1947744 × 10¹⁰

Factors of 21947744000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7564

Divisors of 21947744000

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 50 52 56 64 65 70 80 91 100 104 112 125 128 130 140 160 175 182 200 208 224 250 256 260 280 320 325 350 364 400 416 448 455 500 520 560 640 650 700 728 800 832 875 896 910 1000 1040 1120 1280 1300 1400 1456 1600 1625 1664 1750 1792 1820 2000 2080 2240 2275 2600 2800 2912 3200 3250 3328 3500 3640 4000 4160 4480 4550 5200 5600 5824 6400 6500 7000 7280 7537 8000 8320 8960 9100 10400 11200 11375 11648 13000 14000 14560 15074 16000 16640 18200 20800 22400 22750 23296 26000 28000 29120 30148 32000 36400 37685 41600 44800 45500 52000 52759 56000 58240 60296 72800 75370 83200 91000 97981 104000 105518 112000 116480 120592 145600 150740 182000 188425 195962 208000 211036 224000 241184 263795 291200 301480 364000 376850 391924 416000 422072 482368 489905 527590 582400 602960 685867 728000 753700 783848 844144 942125 964736 979810 1055180 1205920 1318975 1371734 1456000 1507400 1567696 1688288 1884250 1929472 1959620 2110360 2411840 2449525 2637950 2743468 2912000 3014800 3135392 3376576 3429335 3768500 3919240 4220720 4823680 4899050 5275900 5486936 6029600 6270784 6594875 6753152 6858670 7537000 7838480 8441440 9647360 9798100 10551800 10973872 12059200 12247625 12541568 13189750 13506304 13717340 15074000 15676960 16882880 17146675 19596200 21103600 21947744 24118400 24495250 25083136 26379500 27434680 30148000 31353920 33765760 34293350 39192400 42207200 43895488 48236800 48990500 52759000 54869360 60296000 62707840 67531520 68586700 78384800 84414400 85733375 87790976 97981000 105518000 109738720 120592000 125415680 137173400 156769600 168828800 171466750 175581952 195962000 211036000 219477440 241184000 274346800 313539200 337657600 342933500 391924000 422072000 438954880 548693600 627078400 685867000 783848000 844144000 877909760 1097387200 1371734000 1567696000 1688288000 2194774400 2743468000 3135392000 4389548800 5486936000 10973872000 21947744000
• Sum of all divisors σ(n): 67300711296
• Sum of proper divisors (its aliquot sum) s(n): 45352967296
• 21947744000 is an abundant number, because the sum of its proper divisors (45352967296) is greater than itself. Its abundance is 23405223296

Bases of 21947744000

• Binary: 10100011100001011111111111100000000₂
• Hexadecimal: 0x51C2FFF00
• Base-36: A2Z4BNK

Squares and roots of 21947744000

• 21947744000 squared (21947744000²) is 481703466689536000000
• 21947744000 cubed (21947744000³) is 10572304370814463606784000000000
• The square root of 21947744000 is 148147.7100734265
• The cube root of 21947744000 is 2799.8190359235

Scales and comparisons

• 21,947,744,000 seconds is equal to 697 years, 45 weeks, 1 day, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,947,744,000 would take you about one thousand, three hundred ninety-five 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 21947744000 cubic inches would be around 233.3 feet tall.

Recreational maths with 21947744000

• 21947744000 backwards is 00044774912
• The number of decimal digits it has is: 11
• The sum of 21947744000's digits is 38
• More coming soon!