19938616684

Names of 19938616684

• Cardinal: 19938616684 can be written as Nineteen billion, nine hundred thirty-eight million, six hundred sixteen thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 1.9938616684 × 10¹⁰

Factors of 19938616684

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 194

Divisors of 19938616684

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 14 28 37 41 74 82 107 148 164 214 259 287 428 518 574 749 1036 1148 1498 1517 1681 2996 3034 3362 3959 4387 6068 6724 7918 8774 10619 11449 11767 15836 17548 21238 22898 23534 27713 30709 42476 45796 47068 55426 61418 62197 80143 110852 122836 124394 160286 162319 179867 248788 320572 324638 359734 423613 435379 469409 649276 719468 847226 870758 938818 1136233 1259069 1694452 1741516 1877636 2272466 2518138 2965291 3285863 4544932 5036276 5930582 6571726 6655079 11861164 13143452 13310158 17368133 19245769 26620316 34736266 38491538 46585553 69472532 76983076 93171106 121576931 134720383 186342212 243153862 269440766 486307724 538881532 712093453 1424186906 2848373812 4984654171 9969308342 19938616684
• Sum of all divisors σ(n): 42374249008
• Sum of proper divisors (its aliquot sum) s(n): 22435632324
• 19938616684 is an abundant number, because the sum of its proper divisors (22435632324) is greater than itself. Its abundance is 2497015640

Bases of 19938616684

• Binary: 10010100100011011110010010101101100₂
• Hexadecimal: 0x4A46F256C
• Base-36: 95QXR3G

Squares and roots of 19938616684

• 19938616684 squared (19938616684²) is 397548435271483155856
• 19938616684 cubed (19938616684³) is 7926565864202088120775413901504
• The square root of 19938616684 is 141204.1666665683
• The cube root of 19938616684 is 2711.6377714785

Scales and comparisons

• 19,938,616,684 seconds is equal to 633 years, 51 weeks, 2 days, 38 minutes, 4 seconds.
• To count from 1 to 19,938,616,684 would take you about one thousand, two hundred sixty-seven 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 19938616684 cubic inches would be around 226 feet tall.

Recreational maths with 19938616684

• 19938616684 backwards is 48661683991
• The number of decimal digits it has is: 11
• The sum of 19938616684's digits is 61
• More coming soon!