19221420672

Names of 19221420672

• Cardinal: 19221420672 can be written as Nineteen billion, two hundred twenty-one million, four hundred twenty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.9221420672 × 10¹⁰

Factors of 19221420672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4788

Divisors of 19221420672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 64 72 74 96 97 111 128 144 148 192 194 222 288 291 296 333 384 388 444 576 582 592 666 776 873 888 1152 1164 1184 1332 1552 1746 1776 2328 2368 2664 3104 3492 3552 3589 4649 4656 4736 5328 6208 6984 7104 7178 9298 9312 10656 10767 12416 13947 13968 14208 14356 18596 18624 21312 21534 27894 27936 28712 32301 37192 37248 41841 42624 43068 55788 55872 57424 64602 74384 83682 86136 111576 111744 114848 129204 148768 167364 172013 172272 223152 229696 258408 297536 334728 344026 344544 446304 450953 459392 516039 516816 595072 669456 688052 689088 892608 901906 1032078 1033632 1338912 1352859 1376104 1378176 1548117 1785216 1803812 2064156 2067264 2677824 2705718 2752208 3096234 3607624 4058577 4128312 4134528 5355648 5411436 5504416 6192468 7215248 8117154 8256624 10822872 11008832 12384936 14430496 16234308 16513248 16685261 21645744 22017664 24769872 28860992 32468616 33026496 33370522 43291488 49539744 50055783 57721984 64937232 66052992 66741044 86582976 99079488 100111566 129874464 133482088 150167349 173165952 198158976 200223132 259748928 266964176 300334698 400446264 519497856 533928352 600669396 800892528 1067856704 1201338792 1601785056 2135713408 2402677584 3203570112 4805355168 6407140224 9610710336 19221420672
• Sum of all divisors σ(n): 57404529000
• Sum of proper divisors (its aliquot sum) s(n): 38183108328
• 19221420672 is an abundant number, because the sum of its proper divisors (38183108328) is greater than itself. Its abundance is 18961687656

Bases of 19221420672

• Binary: 10001111001101011111001101010000000₂
• Hexadecimal: 0x479AF9A80
• Base-36: 8TVXR40

Squares and roots of 19221420672

• 19221420672 squared (19221420672²) is 369463012649988931584
• 19221420672 cubed (19221420672³) is 7101603988889894750119891304448
• The square root of 19221420672 is 138641.3382508983
• The cube root of 19221420672 is 2678.7272429819

Scales and comparisons

• 19,221,420,672 seconds is equal to 611 years, 9 weeks, 3 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 19,221,420,672 would take you about one thousand, two hundred twenty-two 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 19221420672 cubic inches would be around 223.2 feet tall.

Recreational maths with 19221420672

• 19221420672 backwards is 27602412291
• 19221420672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19221420672's digits is 36
• More coming soon!