21494672320

Names of 21494672320

• Cardinal: 21494672320 can be written as Twenty-one billion, four hundred ninety-four million, six hundred seventy-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.149467232 × 10¹⁰

Factors of 21494672320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 174

Divisors of 21494672320

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 59 64 80 88 97 110 118 121 160 176 194 220 236 242 295 320 352 388 440 472 484 485 590 605 649 704 776 880 944 968 970 1067 1180 1210 1298 1552 1760 1888 1936 1940 2134 2360 2420 2596 3104 3245 3520 3776 3872 3880 4268 4720 4840 5192 5335 5723 6208 6490 7139 7744 7760 8536 9409 9440 9680 10384 10670 11446 11737 12980 14278 15520 17072 18818 18880 19360 20768 21340 22892 23474 25960 28556 28615 31040 34144 35695 37636 38720 41536 42680 45784 46948 47045 51920 57112 57230 58685 62953 68288 71390 75272 85360 91568 93896 94090 103499 103840 114224 114460 117370 125906 142780 150544 170720 183136 187792 188180 206998 207680 228448 228920 234740 251812 285560 301088 314765 341440 366272 375584 376360 413996 456896 457840 469480 503624 517495 555131 571120 602176 629530 692483 751168 752720 827992 915680 938960 1007248 1034990 1110262 1138489 1142240 1259060 1384966 1505440 1655984 1831360 1877920 2014496 2069980 2220524 2276978 2284480 2518120 2769932 2775655 3010880 3311968 3462415 3755840 4028992 4139960 4441048 4553956 5036240 5539864 5551310 5692445 6106441 6623936 6924830 8279920 8882096 9107912 10072480 11079728 11102620 11384890 12212882 13849660 16559840 17764192 18215824 20144960 22159456 22205240 22769780 24425764 27699320 30532205 33119680 35528384 36431648 44318912 44410480 45539560 48851528 55398640 61064410 67170851 72863296 88820960 91079120 97703056 110797280 122128820 134341702 177641920 182158240 195406112 221594560 244257640 268683404 335854255 364316480 390812224 488515280 537366808 671708510 977030560 1074733616 1343417020 1954061120 2149467232 2686834040 4298934464 5373668080 10747336160 21494672320
• Sum of all divisors σ(n): 57809785320
• Sum of proper divisors (its aliquot sum) s(n): 36315113000
• 21494672320 is an abundant number, because the sum of its proper divisors (36315113000) is greater than itself. Its abundance is 14820440680

Bases of 21494672320

• Binary: 10100000001001011101010101111000000₂
• Hexadecimal: 0x5012EABC0
• Base-36: 9VHDFB4

Squares and roots of 21494672320

• 21494672320 squared (21494672320²) is 462020938144174182400
• 21494672320 cubed (21494672320³) is 9930988670388012967691911168000
• The square root of 21494672320 is 146610.6146225437
• The cube root of 21494672320 is 2780.4191835509

Scales and comparisons

• 21,494,672,320 seconds is equal to 683 years, 24 weeks, 22 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,494,672,320 would take you about one thousand, three hundred sixty-six 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 21494672320 cubic inches would be around 231.7 feet tall.

Recreational maths with 21494672320

• 21494672320 backwards is 02327649412
• 21494672320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21494672320's digits is 40
• More coming soon!