21468866880

Names of 21468866880

• Cardinal: 21468866880 can be written as Twenty-one billion, four hundred sixty-eight million, eight hundred sixty-six thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.146886688 × 10¹⁰

Factors of 21468866880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3415

Divisors of 21468866880

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 64 80 96 106 120 131 159 160 192 212 240 262 265 318 320 393 424 480 524 530 636 655 786 795 848 960 1048 1060 1272 1310 1572 1590 1696 1965 2096 2120 2544 2620 3144 3180 3221 3392 3930 4192 4240 5088 5240 6288 6360 6442 6943 7860 8384 8480 9663 10176 10480 12576 12720 12884 13886 15720 16105 16960 19326 20829 20960 25152 25440 25768 27772 31440 32210 34715 38652 41658 41920 48315 50880 51536 55544 62880 64420 69430 77304 83316 96630 103072 104145 111088 125760 128840 138860 154608 166632 170713 193260 206144 208290 222176 257680 277720 309216 333264 341426 386520 416580 421951 444352 512139 515360 555440 618432 666528 682852 773040 833160 843902 853565 1024278 1030720 1110880 1265853 1333056 1365704 1546080 1666320 1687804 1707130 2048556 2109755 2221760 2531706 2560695 2731408 3092160 3332640 3375608 3414260 4097112 4219510 5063412 5121390 5462816 6329265 6665280 6751216 6828520 8194224 8439020 10126824 10242780 10925632 12658530 13502432 13657040 16388448 16878040 20253648 20485560 22363403 25317060 27004864 27314080 32776896 33756080 40507296 40971120 44726806 50634120 54628160 67090209 67512160 81014592 81942240 89453612 101268240 111817015 134180418 135024320 163884480 178907224 202536480 223634030 268360836 335451045 357814448 405072960 447268060 536721672 670902090 715628896 894536120 1073443344 1341804180 1431257792 1789072240 2146886688 2683608360 3578144480 4293773376 5367216720 7156288960 10734433440 21468866880
• Sum of all divisors σ(n): 70001635968
• Sum of proper divisors (its aliquot sum) s(n): 48532769088
• 21468866880 is an abundant number, because the sum of its proper divisors (48532769088) is greater than itself. Its abundance is 27063902208

Bases of 21468866880

• Binary: 10011111111101001001110100101000000₂
• Hexadecimal: 0x4FFA4E940
• Base-36: 9V20BPC

Squares and roots of 21468866880

• 21468866880 squared (21468866880²) is 460912245111160934400
• 21468866880 cubed (21468866880³) is 9895263633653444902890012672000
• The square root of 21468866880 is 146522.5814678407
• The cube root of 21468866880 is 2779.3060600809

Scales and comparisons

• 21,468,866,880 seconds is equal to 682 years, 33 weeks, 3 days, 6 hours, 8 minutes.
• To count from 1 to 21,468,866,880 would take you about one thousand, three hundred sixty-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 21468866880 cubic inches would be around 231.6 feet tall.

Recreational maths with 21468866880

• 21468866880 backwards is 08866886412
• The number of decimal digits it has is: 11
• The sum of 21468866880's digits is 57
• More coming soon!