18641706816

Names of 18641706816

• Cardinal: 18641706816 can be written as Eighteen billion, six hundred forty-one million, seven hundred six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8641706816 × 10¹⁰

Factors of 18641706816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5507

Divisors of 18641706816

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 23 24 32 38 41 46 48 57 64 69 76 82 92 96 114 123 138 152 164 184 192 228 246 276 304 328 368 437 456 492 552 608 656 736 779 874 912 943 984 1104 1216 1311 1312 1472 1558 1748 1824 1886 1968 2208 2337 2622 2624 2829 3116 3496 3648 3772 3936 4416 4674 5244 5419 5658 6232 6992 7544 7872 9348 10488 10838 11316 12464 13984 15088 16257 17917 18696 20976 21676 22632 24928 27968 30176 32514 35834 37392 41952 43352 45264 49856 53751 60352 65028 71668 74784 83904 86704 90528 102961 107502 124637 130056 143336 149568 173408 181056 205922 215004 222179 249274 260112 286672 308883 346816 373911 411844 430008 444358 498548 520224 573344 617766 666537 747822 823688 860016 888716 997096 1040448 1146688 1235532 1333074 1495644 1647376 1720032 1777432 1994192 2368103 2471064 2666148 2991288 3294752 3440064 3554864 3988384 4221401 4736206 4942128 5110117 5332296 5982576 6589504 7104309 7109728 7976768 8442802 9472412 9884256 10220234 10664592 11965152 12664203 14208618 14219456 15330351 16885604 18944824 19768512 20440468 21329184 23930304 25328406 28417236 30660702 33771208 37889648 40880936 42658368 50656812 56834472 61321404 67542416 75779296 81761872 97092223 101313624 113668944 122642808 135084832 151558592 163523744 194184446 202627248 227337888 245285616 270169664 291276669 327047488 388368892 405254496 454675776 490571232 582553338 776737784 810508992 981142464 1165106676 1553475568 2330213352 3106951136 4660426704 6213902272 9320853408 18641706816
• Sum of all divisors σ(n): 55507737600
• Sum of proper divisors (its aliquot sum) s(n): 36866030784
• 18641706816 is an abundant number, because the sum of its proper divisors (36866030784) is greater than itself. Its abundance is 18224323968

Bases of 18641706816

• Binary: 10001010111001000011101111101000000₂
• Hexadecimal: 0x45721DF40
• Base-36: 8KASH1C

Squares and roots of 18641706816

• 18641706816 squared (18641706816²) is 347513233013700857856
• 18641706816 cubed (18641706816³) is 6478239804521703503279242346496
• The square root of 18641706816 is 136534.6359573277
• The cube root of 18641706816 is 2651.5219365353

Scales and comparisons

• 18,641,706,816 seconds is equal to 592 years, 38 weeks, 6 days, 11 hours, 53 minutes, 36 seconds.
• To count from 1 to 18,641,706,816 would take you about one thousand, one hundred eighty-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 18641706816 cubic inches would be around 221 feet tall.

Recreational maths with 18641706816

• 18641706816 backwards is 61860714681
• 18641706816 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18641706816's digits is 48
• More coming soon!