21693440400

Names of 21693440400

• Cardinal: 21693440400 can be written as Twenty-one billion, six hundred ninety-three million, four hundred forty thousand, four hundred.

Scientific notation

• Scientific notation: 2.16934404 × 10¹⁰

Factors of 21693440400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 15839

Divisors of 21693440400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 31 37 40 48 50 60 62 74 75 80 93 100 111 120 124 148 150 155 185 186 200 222 240 248 296 300 310 370 372 400 444 465 496 555 592 600 620 740 744 775 888 925 930 1110 1147 1200 1240 1480 1488 1550 1776 1850 1860 2220 2294 2325 2480 2775 2960 3100 3441 3700 3720 4440 4588 4650 5550 5735 6200 6882 7400 7440 8880 9176 9300 11100 11470 12400 13764 14800 15761 17205 18352 18600 22200 22940 27528 28675 31522 34410 37200 44400 45880 47283 55056 57350 63044 68820 78805 86025 91760 94566 114700 126088 137640 157610 172050 189132 229400 236415 252176 275280 315220 344100 378264 394025 458800 472830 488591 583157 630440 688200 756528 788050 945660 977182 1166314 1182075 1260880 1376400 1465773 1576100 1749471 1891320 1954364 2332628 2364150 2442955 2915785 2931546 3152200 3498942 3782640 3908728 4665256 4728300 4885910 5831570 5863092 6304400 6997884 7328865 7817456 8747355 9330512 9456600 9771820 11663140 11726184 12214775 13995768 14578925 14657730 17494710 18077867 18913200 19543640 23326280 23452368 24429550 27991536 29157850 29315460 34989420 36155734 36644325 39087280 43736775 46652560 48859100 54233601 58315700 58630920 69978840 72311468 73288650 87473550 90389335 97718200 108467202 116631400 117261840 139957680 144622936 146577300 174947100 180778670 195436400 216934404 233262800 271168005 289245872 293154600 349894200 361557340 433868808 451946675 542336010 586309200 699788400 723114680 867737616 903893350 1084672020 1355840025 1446229360 1807786700 2169344040 2711680050 3615573400 4338688080 5423360100 7231146800 10846720200 21693440400
• Sum of all divisors σ(n): 73676379648
• Sum of proper divisors (its aliquot sum) s(n): 51982939248
• 21693440400 is an abundant number, because the sum of its proper divisors (51982939248) is greater than itself. Its abundance is 30289498848

Bases of 21693440400

• Binary: 10100001101000001111010000110010000₂
• Hexadecimal: 0x50D07A190
• Base-36: 9YRPPQO

Squares and roots of 21693440400

• 21693440400 squared (21693440400²) is 470605356388352160000
• 21693440400 cubed (21693440400³) is 10209049250731476837171264000000
• The square root of 21693440400 is 147286.9322105665
• The cube root of 21693440400 is 2788.9633743473

Scales and comparisons

• 21,693,440,400 seconds is equal to 689 years, 40 weeks, 5 days, 11 hours, 40 minutes.
• To count from 1 to 21,693,440,400 would take you about one thousand, three hundred seventy-nine 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 21693440400 cubic inches would be around 232.4 feet tall.

Recreational maths with 21693440400

• 21693440400 backwards is 00404439612
• The number of decimal digits it has is: 11
• The sum of 21693440400's digits is 33
• More coming soon!