21473319816

Names of 21473319816

• Cardinal: 21473319816 can be written as Twenty-one billion, four hundred seventy-three million, three hundred nineteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1473319816 × 10¹⁰

Factors of 21473319816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 229

Divisors of 21473319816

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 29 31 36 39 52 58 62 72 78 87 93 104 116 117 124 151 156 169 174 186 232 234 248 261 279 302 312 338 348 372 377 403 453 468 507 522 558 604 676 696 744 754 806 899 906 936 1014 1044 1116 1131 1208 1209 1352 1359 1508 1521 1612 1798 1812 1963 2028 2088 2197 2232 2262 2418 2697 2718 3016 3042 3224 3393 3596 3624 3627 3926 4056 4379 4394 4524 4681 4836 4901 5239 5394 5436 5889 6084 6591 6786 7192 7254 7852 8091 8758 8788 9048 9362 9672 9802 10478 10788 10872 11687 11778 12168 13137 13182 13572 14043 14508 14703 15704 15717 16182 17516 17576 17667 18724 19604 19773 20956 21576 23374 23556 25519 26274 26364 27144 28086 29016 29406 31434 32364 35032 35061 35334 37448 39208 39411 39546 41912 42129 44109 46748 47112 47151 51038 52548 52728 56172 56927 58812 60853 62868 63713 64728 68107 70122 70668 76557 78822 79092 84258 88218 93496 94302 102076 105096 105183 112344 113854 117624 121706 125736 127426 135749 136214 140244 141336 151931 153114 157644 158184 168516 170781 176436 182559 188604 191139 204152 204321 210366 227708 229671 243412 254852 271498 272428 280488 303862 306228 315288 331747 337032 341562 352872 365118 377208 382278 407247 408642 420732 455416 455793 459342 486824 509704 512343 542996 544856 547677 573417 607724 612456 612963 663494 683124 730236 740051 764556 791089 814494 817284 841464 911586 918684 995241 1024686 1085992 1095354 1146834 1215448 1221741 1225926 1326988 1366248 1367379 1460472 1480102 1529112 1582178 1628988 1634568 1764737 1823172 1837368 1975103 1990482 2049372 2190708 2220153 2293668 2373267 2443482 2451852 2653976 2734758 2960204 2985723 3164356 3257976 3529474 3646344 3950206 3980964 4098744 4381416 4440306 4587336 4746534 4886964 4903704 5294211 5469516 5920408 5925309 5971446 6328712 6660459 7058948 7119801 7900412 7961928 8880612 9493068 9620663 9773928 10284157 10588422 10939032 11850618 11942892 13320918 14117896 14239602 15800824 15882633 17761224 17775927 18986136 19241326 20568314 21176844 22941581 23701236 23885784 26641836 28479204 28861989 30852471 31765266 35551854 38482652 41136628 42353688 45883162 47402472 53283672 56958408 57723978 61704942 63530532 68824743 71103708 76965304 82273256 86585967 91766324 92557413 115447956 123409884 127061064 137649486 142207416 173171934 183532648 185114826 206474229 230895912 246819768 275298972 298240553 346343868 370229652 412948458 550597944 596481106 692687736 740459304 825896916 894721659 1192962212 1651793832 1789443318 2385924424 2684164977 3578886636 5368329954 7157773272 10736659908 21473319816
• Sum of all divisors σ(n): 67721472000
• Sum of proper divisors (its aliquot sum) s(n): 46248152184
• 21473319816 is an abundant number, because the sum of its proper divisors (46248152184) is greater than itself. Its abundance is 24774832368

Bases of 21473319816

• Binary: 10011111111111010001101101110001000₂
• Hexadecimal: 0x4FFE8DB88
• Base-36: 9V4NRM0

Squares and roots of 21473319816

• 21473319816 squared (21473319816²) is 461103463920218273856
• 21473319816 cubed (21473319816³) is 9901422149024264103037359530496
• The square root of 21473319816 is 146537.7760715645
• The cube root of 21473319816 is 2779.4982021335

Scales and comparisons

• 21,473,319,816 seconds is equal to 682 years, 40 weeks, 5 days, 19 hours, 3 minutes, 36 seconds.
• To count from 1 to 21,473,319,816 would take you about one thousand, three hundred sixty-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 21473319816 cubic inches would be around 231.6 feet tall.

Recreational maths with 21473319816

• 21473319816 backwards is 61891337412
• The number of decimal digits it has is: 11
• The sum of 21473319816's digits is 45
• More coming soon!