21118492352

Names of 21118492352

• Cardinal: 21118492352 can be written as Twenty-one billion, one hundred eighteen million, four hundred ninety-two thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1118492352 × 10¹⁰

Factors of 21118492352

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 344

Divisors of 21118492352

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 79 97 136 149 158 194 272 289 298 316 388 544 578 596 632 776 1088 1156 1192 1264 1343 1552 1649 2312 2384 2528 2533 2686 3104 3298 4624 4768 5056 5066 5372 6208 6596 7663 9248 9536 10132 10744 11771 13192 14453 15326 18496 20264 21488 22831 23542 26384 28033 28906 30652 40528 42976 43061 45662 47084 52768 56066 57812 61304 81056 85952 86122 91324 94168 105536 112132 115624 122608 130271 162112 172244 182648 188336 200107 224264 231248 245216 245701 260542 344488 365296 376672 400214 448528 462496 490432 491402 521084 688976 730592 753344 800428 897056 924992 982804 1042168 1141787 1377952 1461184 1600856 1794112 1965608 2084336 2214607 2283574 2755904 3201712 3401819 3931216 4168672 4176917 4429214 4567148 6403424 6803638 7862432 8337344 8353834 8858428 9134296 12806848 13607276 15724864 16707668 17716856 18268592 19410379 27214552 33415336 35433712 36537184 38820758 54429104 66830672 70867424 73074368 77641516 108858208 133661344 141734848 155283032 217716416 267322688 310566064 329976443 621132128 659952886 1242264256 1319905772 2639811544 5279623088 10559246176 21118492352
• Sum of all divisors σ(n): 45851064000
• Sum of proper divisors (its aliquot sum) s(n): 24732571648
• 21118492352 is an abundant number, because the sum of its proper divisors (24732571648) is greater than itself. Its abundance is 3614079296

Bases of 21118492352

• Binary: 10011101010110000101001111011000000₂
• Hexadecimal: 0x4EAC29EC0
• Base-36: 9P9EKZK

Squares and roots of 21118492352

• 21118492352 squared (21118492352²) is 445990719221482491904
• 21118492352 cubed (21118492352³) is 9418651592941857399376525918208
• The square root of 21118492352 is 145322.0298234235
• The cube root of 21118492352 is 2764.1035171707

Scales and comparisons

• 21,118,492,352 seconds is equal to 671 years, 26 weeks, 23 hours, 52 minutes, 32 seconds.
• To count from 1 to 21,118,492,352 would take you about one thousand, three hundred forty-three 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 21118492352 cubic inches would be around 230.3 feet tall.

Recreational maths with 21118492352

• 21118492352 backwards is 25329481112
• The number of decimal digits it has is: 11
• The sum of 21118492352's digits is 38
• More coming soon!