21456827392

Names of 21456827392

• Cardinal: 21456827392 can be written as Twenty-one billion, four hundred fifty-six million, eight hundred twenty-seven thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 2.1456827392 × 10¹⁰

Factors of 21456827392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 206

Divisors of 21456827392

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 32 44 52 56 64 77 88 91 104 112 121 128 143 154 173 176 182 208 224 242 256 286 308 346 352 364 416 448 484 512 572 616 692 704 728 832 847 896 968 1001 1024 1144 1211 1232 1331 1384 1408 1456 1573 1664 1694 1792 1903 1936 2002 2249 2288 2422 2464 2662 2768 2816 2912 3146 3328 3388 3584 3806 3872 4004 4498 4576 4844 4928 5324 5536 5632 5824 6292 6656 6776 7168 7612 7744 8008 8996 9152 9317 9688 9856 10648 11011 11072 11264 11648 12584 13312 13321 13552 15224 15488 15743 16016 17303 17992 18304 18634 19376 19712 20933 21296 22022 22144 23296 24739 25168 26642 27104 30448 30976 31486 32032 34606 35984 36608 37268 38752 39424 41866 42592 44044 44288 46592 49478 50336 53284 54208 60896 61952 62972 64064 69212 71968 73216 74536 77504 78848 83732 85184 88088 88576 93184 98956 100672 106568 108416 121121 121792 123904 125944 128128 138424 143936 146432 146531 149072 155008 167464 170368 173173 176176 177152 197912 201344 213136 216832 230263 242242 243584 251888 256256 272129 276848 287872 293062 298144 310016 334928 340736 346346 352352 395824 402688 426272 433664 460526 484484 487168 503776 512512 544258 553696 575744 586124 596288 620032 669856 681472 692692 704704 791648 805376 852544 867328 921052 968968 974336 1007552 1025024 1088516 1107392 1151488 1172248 1192576 1240064 1339712 1362944 1385384 1409408 1583296 1610752 1611841 1705088 1842104 1904903 1937936 1948672 2015104 2177032 2214784 2302976 2344496 2385152 2679424 2770768 2818816 2993419 3166592 3223682 3410176 3684208 3809806 3875872 4030208 4354064 4429568 4688992 4770304 5358848 5541536 5637632 5986838 6333184 6447364 6820352 7368416 7619612 7751744 8060416 8708128 8859136 9377984 9540608 10717696 11083072 11275264 11973676 12666368 12894728 13640704 14736832 15239224 15503488 16120832 17416256 17718272 18755968 20953933 21435392 22166144 23947352 25332736 25789456 29473664 30478448 31006976 34832512 37511936 41907866 44332288 47894704 51578912 58947328 60956896 62013952 69665024 75023872 83815732 88664576 95789408 103157824 117894656 121913792 124027904 139330048 150047744 167631464 177329152 191578816 206315648 235789312 243827584 278660096 335262928 383157632 412631296 487655168 670525856 766315264 825262592 975310336 1341051712 1532630528 1650525184 1950620672 2682103424 3065261056 5364206848 10728413696 21456827392
• Sum of all divisors σ(n): 58401794304
• Sum of proper divisors (its aliquot sum) s(n): 36944966912
• 21456827392 is an abundant number, because the sum of its proper divisors (36944966912) is greater than itself. Its abundance is 15488139520

Bases of 21456827392

• Binary: 10011111110111011010011010000000000₂
• Hexadecimal: 0x4FEED3400
• Base-36: 9UUU9Z4

Squares and roots of 21456827392

• 21456827392 squared (21456827392²) is 460395441730081521664
• 21456827392 cubed (21456827392³) is 9878625525265953064433156620288
• The square root of 21456827392 is 146481.4916363157
• The cube root of 21456827392 is 2778.7864288861

Scales and comparisons

• 21,456,827,392 seconds is equal to 682 years, 13 weeks, 3 days, 21 hours, 49 minutes, 52 seconds.
• To count from 1 to 21,456,827,392 would take you about one thousand, three hundred sixty-four 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 21456827392 cubic inches would be around 231.6 feet tall.

Recreational maths with 21456827392

• 21456827392 backwards is 29372865412
• The number of decimal digits it has is: 11
• The sum of 21456827392's digits is 49
• More coming soon!