19421724672

Names of 19421724672

• Cardinal: 19421724672 can be written as Nineteen billion, four hundred twenty-one million, seven hundred twenty-four thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.9421724672 × 10¹⁰

Factors of 19421724672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 12

Divisors of 19421724672

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 189 192 196 216 224 252 256 288 294 336 343 378 384 392 432 441 448 504 512 576 588 672 686 756 768 784 864 882 896 1008 1024 1029 1152 1176 1323 1344 1372 1512 1536 1568 1728 1764 1792 2016 2048 2058 2304 2352 2646 2688 2744 3024 3072 3087 3136 3456 3528 3584 4032 4096 4116 4608 4704 5292 5376 5488 6048 6144 6174 6272 6912 7056 7168 8064 8192 8232 9216 9261 9408 10584 10752 10976 12096 12288 12348 12544 13824 14112 14336 16128 16384 16464 18432 18522 18816 21168 21504 21952 24192 24576 24696 25088 27648 28224 28672 32256 32768 32928 36864 37044 37632 42336 43008 43904 48384 49152 49392 50176 55296 56448 57344 64512 65536 65856 73728 74088 75264 84672 86016 87808 96768 98304 98784 100352 110592 112896 114688 129024 131072 131712 147456 148176 150528 169344 172032 175616 193536 196608 197568 200704 221184 225792 229376 258048 262144 263424 294912 296352 301056 338688 344064 351232 387072 393216 395136 401408 442368 451584 458752 516096 524288 526848 589824 592704 602112 677376 688128 702464 774144 786432 790272 802816 884736 903168 917504 1032192 1048576 1053696 1179648 1185408 1204224 1354752 1376256 1404928 1548288 1572864 1580544 1605632 1769472 1806336 1835008 2064384 2097152 2107392 2359296 2370816 2408448 2709504 2752512 2809856 3096576 3145728 3161088 3211264 3538944 3612672 3670016 4128768 4214784 4718592 4741632 4816896 5419008 5505024 5619712 6193152 6291456 6322176 6422528 7077888 7225344 7340032 8257536 8429568 9437184 9483264 9633792 10838016 11010048 11239424 12386304 12644352 12845056 14155776 14450688 14680064 16515072 16859136 18874368 18966528 19267584 21676032 22020096 22478848 24772608 25288704 25690112 28311552 28901376 33030144 33718272 37933056 38535168 43352064 44040192 44957696 49545216 50577408 51380224 56623104 57802752 66060288 67436544 75866112 77070336 86704128 89915392 99090432 101154816 102760448 115605504 132120576 134873088 151732224 154140672 173408256 179830784 198180864 202309632 231211008 269746176 303464448 308281344 346816512 359661568 396361728 404619264 462422016 539492352 606928896 693633024 719323136 809238528 924844032 1078984704 1213857792 1387266048 1618477056 2157969408 2427715584 2774532096 3236954112 4855431168 6473908224 9710862336 19421724672
• Sum of all divisors σ(n): 67108848000
• Sum of proper divisors (its aliquot sum) s(n): 47687123328
• 19421724672 is an abundant number, because the sum of its proper divisors (47687123328) is greater than itself. Its abundance is 28265398656

Bases of 19421724672

• Binary: 10010000101101000000000000000000000₂
• Hexadecimal: 0x485A00000
• Base-36: 8X76YO0

Squares and roots of 19421724672

• 19421724672 squared (19421724672²) is 377203389234973507584
• 19421724672 cubed (19421724672³) is 7325940371066904177510551912448
• The square root of 19421724672 is 139361.8479785627
• 19421724672 is a perfect cube number. Its cube root is 2688

Scales and comparisons

• 19,421,724,672 seconds is equal to 617 years, 28 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 19,421,724,672 would take you about one thousand, two hundred thirty-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 19421724672 cubic inches would be around 224 feet tall.

Recreational maths with 19421724672

• 19421724672 backwards is 27642712491
• The number of decimal digits it has is: 11
• The sum of 19421724672's digits is 45
• More coming soon!