21728238336

Names of 21728238336

• Cardinal: 21728238336 can be written as Twenty-one billion, seven hundred twenty-eight million, two hundred thirty-eight thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 2.1728238336 × 10¹⁰

Factors of 21728238336

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1518

Divisors of 21728238336

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 107 108 112 126 128 144 162 168 189 192 214 216 224 252 256 288 321 324 336 378 384 428 432 448 504 567 576 642 648 672 749 756 768 856 864 896 963 1008 1134 1152 1284 1296 1344 1399 1498 1512 1712 1728 1792 1926 2016 2247 2268 2304 2568 2592 2688 2798 2889 2996 3024 3424 3456 3852 4032 4197 4494 4536 5136 5184 5376 5596 5778 5992 6048 6741 6848 6912 7704 8064 8394 8667 8988 9072 9793 10272 10368 11192 11556 11984 12096 12591 13482 13696 15408 16128 16788 17334 17976 18144 19586 20223 20544 20736 22384 23112 23968 24192 25182 26964 27392 29379 30816 33576 34668 35952 36288 37773 39172 40446 41088 44768 46224 47936 48384 50364 53928 58758 60669 61632 67152 69336 71904 72576 75546 78344 80892 82176 88137 89536 92448 95872 100728 107856 113319 117516 121338 123264 134304 138672 143808 145152 149693 151092 156688 161784 176274 179072 184896 191744 201456 215712 226638 235032 242676 246528 264411 268608 277344 287616 299386 302184 313376 323568 352548 358144 369792 402912 431424 449079 453276 470064 485352 528822 537216 554688 575232 598772 604368 626752 647136 705096 739584 793233 805824 862848 898158 906552 940128 970704 1047851 1057644 1074432 1109376 1197544 1208736 1253504 1294272 1347237 1410192 1586466 1611648 1725696 1796316 1813104 1880256 1941408 2095702 2115288 2218752 2395088 2417472 2507008 2588544 2694474 2820384 3143553 3172932 3223296 3592632 3626208 3760512 3882816 4041711 4191404 4230576 4790176 4834944 5177088 5388948 5640768 6287106 6345864 7185264 7252416 7521024 7765632 8083422 8382808 8461152 9430659 9580352 9669888 10777896 11281536 12125133 12574212 12691728 14370528 14504832 15531264 16166844 16765616 16922304 18861318 19160704 21555792 22563072 24250266 25148424 25383456 28291977 28741056 29009664 32333688 33531232 33844608 37722636 38321408 43111584 48500532 50296848 50766912 56583954 57482112 64667376 67062464 67689216 75445272 84875931 86223168 97001064 100593696 101533824 113167908 114964224 129334752 134124928 150890544 169751862 172446336 194002128 201187392 203067648 226335816 258669504 268249856 301781088 339503724 344892672 388004256 402374784 452671632 517339008 603562176 679007448 776008512 804749568 905343264 1034678016 1207124352 1358014896 1552017024 1810686528 2414248704 2716029792 3104034048 3621373056 5432059584 7242746112 10864119168 21728238336
• Sum of all divisors σ(n): 74790777600
• Sum of proper divisors (its aliquot sum) s(n): 53062539264
• 21728238336 is an abundant number, because the sum of its proper divisors (53062539264) is greater than itself. Its abundance is 31334300928

Bases of 21728238336

• Binary: 10100001111000110101001101100000000₂
• Hexadecimal: 0x50F1A9B00
• Base-36: 9ZCFK00

Squares and roots of 21728238336

• 21728238336 squared (21728238336²) is 472116341186020048896
• 21728238336 cubed (21728238336³) is 10258256383610136533686661677056
• The square root of 21728238336 is 147405.0146229767
• The cube root of 21728238336 is 2790.4538144905

Scales and comparisons

• 21,728,238,336 seconds is equal to 690 years, 46 weeks, 2 days, 5 hours, 45 minutes, 36 seconds.
• To count from 1 to 21,728,238,336 would take you about one thousand, three hundred eighty-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 21728238336 cubic inches would be around 232.5 feet tall.

Recreational maths with 21728238336

• 21728238336 backwards is 63383282712
• The number of decimal digits it has is: 11
• The sum of 21728238336's digits is 45
• More coming soon!