18007691396436

Names of 18007691396436

• Cardinal: 18007691396436 can be written as Eighteen trillion, seven billion, six hundred ninety-one million, three hundred ninety-six thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 1.8007691396436 × 10¹³

Factors of 18007691396436

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 30585

Divisors of 18007691396436

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 313 626 939 1252 1878 2191 2817 3756 4382 5634 6573 8764 11268 13146 14347 15913 19719 26292 28694 31826 39438 43041 47739 57388 63652 78876 86082 95478 100429 111391 129123 143217 172164 190956 200858 222782 258246 286434 301287 334173 401716 445564 516492 572868 602574 668346 903861 1002519 1205148 1336692 1807722 2005038 3615444 4010076 4490611 4980769 8981222 9961538 13471833 14942307 17962444 19923076 26943666 29884614 31434277 34865383 40415499 44826921 53887332 59769228 62868554 69730766 80830998 89653842 94302831 104596149 125737108 139461532 161661996 179307684 188605662 209192298 228303811 282908493 313788447 377211324 418384596 456607622 565816986 627576894 684911433 913215244 1131633972 1255153788 1369822866 1598126677 2054734299 2739645732 3196253354 4109468598 4794380031 6392506708 8218937196 9588760062 14383140093 19177520124 28766280186 57532560372 71459092843 142918185686 214377278529 285836371372 428754557058 500213649901 643131835587 857509114116 1000427299802 1286263671174 1500640949703 2000854599604 2572527342348 3001281899406 4501922849109 6002563798812 9003845698218 18007691396436
• Sum of all divisors σ(n): 52195342186624
• Sum of proper divisors (its aliquot sum) s(n): 34187650790188
• 18007691396436 is an abundant number, because the sum of its proper divisors (34187650790188) is greater than itself. Its abundance is 16179959393752

Bases of 18007691396436

• Binary: 100000110000010111110000011001000010101010100₂
• Hexadecimal: 0x1060BE0C8554
• Base-36: 6DSMAIGD0

Squares and roots of 18007691396436

• 18007691396436 squared (18007691396436²) is 324276949429275135713502096
• 18007691396436 cubed (18007691396436³) is 5839479232300069721855927974338252929856
• The square root of 18007691396436 is 4243547.0300723663
• The cube root of 18007691396436 is 26211.1462181353

Scales and comparisons

• 18,007,691,396,436 seconds is equal to 572,588 years, 46 weeks, 3 hours, 36 seconds.
• To count from 1 to 18,007,691,396,436 would take you about one million, four hundred thirty-one thousand, four hundred seventy-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 18007691396436 cubic inches would be around 2184.3 feet tall.

Recreational maths with 18007691396436

• 18007691396436 backwards is 63469319670081
• 18007691396436 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18007691396436's digits is 63
• More coming soon!