21445109952

Names of 21445109952

• Cardinal: 21445109952 can be written as Twenty-one billion, four hundred forty-five million, one hundred nine thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 2.1445109952 × 10¹⁰

Factors of 21445109952

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 217

Divisors of 21445109952

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 79 84 96 102 109 112 119 136 158 168 192 204 218 224 237 238 272 316 327 336 357 408 436 448 474 476 544 553 632 654 672 714 763 816 872 948 952 1088 1106 1264 1308 1343 1344 1428 1526 1632 1659 1744 1853 1896 1904 2212 2289 2528 2616 2686 2856 3052 3264 3318 3488 3706 3792 3808 4029 4424 4578 5056 5232 5372 5559 5712 6104 6636 6976 7412 7584 7616 8058 8611 8848 9156 9401 10464 10744 11118 11424 11881 12208 12971 13272 14824 15168 16116 17222 17696 18312 18802 20928 21488 22236 22848 23762 24416 25833 25942 26544 28203 29648 32232 34444 35392 35643 36624 37604 38913 42976 44472 47524 48832 51666 51884 53088 56406 59296 60277 64464 68888 71286 73248 75208 77826 83167 85952 88944 95048 103332 103768 106176 112812 118592 120554 128928 137776 142572 146387 146496 150416 155652 166334 177888 180831 190096 201977 206664 207536 225624 241108 249501 257856 275552 285144 292774 300832 311304 332668 355776 361662 380192 403954 413328 415072 439161 451248 482216 499002 551104 570288 585548 601664 605931 622608 665336 723324 760384 807908 826656 830144 878322 902496 938599 964432 998004 1024709 1140576 1171096 1211862 1245216 1330672 1413839 1446648 1615816 1653312 1756644 1804992 1877198 1928864 1996008 2049418 2281152 2342192 2423724 2490432 2661344 2815797 2827678 2893296 3074127 3231632 3513288 3754396 3857728 3992016 4098836 4241517 4684384 4847448 5322688 5631594 5655356 5786592 6148254 6463264 6570193 7026576 7508792 7984032 8197672 8483034 9368768 9694896 11263188 11310712 11573184 12296508 12926528 13140386 14053152 15017584 15956183 15968064 16395344 16966068 19389792 19710579 22526376 22621424 24593016 26280772 28106304 30035168 31912366 32790688 33932136 38779584 39421158 45052752 45242848 47868549 49186032 52561544 60070336 63824732 65581376 67864272 78842316 90105504 90485696 95737098 98372064 105123088 111693281 127649464 135728544 157684632 180211008 191474196 196744128 210246176 223386562 255298928 271457088 315369264 335079843 382948392 420492352 446773124 510597856 630738528 670159686 765896784 893546248 1021195712 1261477056 1340319372 1531793568 1787092496 2680638744 3063587136 3574184992 5361277488 7148369984 10722554976 21445109952
• Sum of all divisors σ(n): 70173250560
• Sum of proper divisors (its aliquot sum) s(n): 48728140608
• 21445109952 is an abundant number, because the sum of its proper divisors (48728140608) is greater than itself. Its abundance is 27283030656

Bases of 21445109952

• Binary: 10011111110001110100110100011000000₂
• Hexadecimal: 0x4FE3A68C0
• Base-36: 9UNV4QO

Squares and roots of 21445109952

• 21445109952 squared (21445109952²) is 459892740853369442304
• 21445109952 cubed (21445109952³) is 9862450393727149999886200209408
• The square root of 21445109952 is 146441.4898585779
• The cube root of 21445109952 is 2778.2805107861

Scales and comparisons

• 21,445,109,952 seconds is equal to 681 years, 46 weeks, 1 day, 6 hours, 59 minutes, 12 seconds.
• To count from 1 to 21,445,109,952 would take you about one thousand, three hundred sixty-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 21445109952 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445109952

• 21445109952 backwards is 25990154412
• 21445109952 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445109952's digits is 42
• More coming soon!