20643249120

Names of 20643249120

• Cardinal: 20643249120 can be written as Twenty billion, six hundred forty-three million, two hundred forty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.064324912 × 10¹⁰

Factors of 20643249120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 558

Divisors of 20643249120

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 61 65 78 80 96 104 120 122 130 156 160 183 193 195 208 240 244 260 281 305 312 366 386 390 416 480 488 520 562 579 610 624 732 772 780 793 843 915 965 976 1040 1124 1158 1220 1248 1405 1464 1544 1560 1586 1686 1830 1930 1952 2080 2248 2316 2379 2440 2509 2810 2895 2928 3088 3120 3172 3372 3653 3660 3860 3965 4215 4496 4632 4758 4880 5018 5620 5790 5856 6176 6240 6344 6744 7306 7320 7527 7720 7930 8430 8992 9264 9516 9760 10036 10959 11240 11580 11773 11895 12545 12688 13488 14612 14640 15054 15440 15860 16860 17141 18265 18528 19032 20072 21918 22480 23160 23546 23790 25090 25376 26976 29224 29280 30108 30880 31720 33720 34282 35319 36530 37635 38064 40144 43836 44960 46320 47092 47580 50180 51423 54233 54795 58448 58865 60216 63440 67440 68564 70638 73060 75270 76128 80288 85705 87672 92640 94184 95160 100360 102846 108466 109590 116896 117730 120432 126880 134880 137128 141276 146120 150540 153049 162699 171410 175344 176595 188368 190320 200720 205692 216932 219180 222833 235460 240864 257115 271165 274256 282552 292240 301080 306098 325398 342820 350688 353190 376736 380640 401440 411384 433864 438360 445666 459147 470920 514230 542330 548512 565104 584480 602160 612196 650796 668499 685640 705029 706380 765245 813495 822768 867728 876720 891332 918294 941840 1028460 1084660 1114165 1130208 1204320 1224392 1301592 1336998 1371280 1410058 1412760 1530490 1626990 1645536 1735456 1753440 1782664 1836588 1883680 2056920 2115087 2169320 2228330 2295735 2448784 2603184 2673996 2742560 2820116 2825520 3060980 3253980 3308213 3342495 3525145 3565328 3673176 4113840 4230174 4338640 4456660 4591470 4897568 5206368 5347992 5640232 5651040 6121960 6507960 6616426 6684990 7050290 7130656 7346352 8227680 8460348 8677280 8913320 9182940 9924639 10575435 10695984 11280464 12243920 13015920 13232852 13369980 14100580 14692704 16541065 16920696 17826640 18365880 19849278 21150870 21391968 22560928 24487840 26031840 26465704 26739960 28201160 33082130 33841392 35653280 36731760 39698556 42301740 43006769 49623195 52931408 53479920 56402320 66164260 67682784 73463520 79397112 84603480 86013538 99246390 105862816 106959840 112804640 129020307 132328520 158794224 169206960 172027076 198492780 215033845 258040614 264657040 317588448 338413920 344054152 396985560 430067690 516081228 529314080 645101535 688108304 793971120 860135380 1032162456 1290203070 1376216608 1587942240 1720270760 2064324912 2580406140 3440541520 4128649824 5160812280 6881083040 10321624560 20643249120
• Sum of all divisors σ(n): 71799654528
• Sum of proper divisors (its aliquot sum) s(n): 51156405408
• 20643249120 is an abundant number, because the sum of its proper divisors (51156405408) is greater than itself. Its abundance is 30513156288

Bases of 20643249120

• Binary: 10011001110011011101111101111100000₂
• Hexadecimal: 0x4CE6EFBE0
• Base-36: 9HEGGYO

Squares and roots of 20643249120

• 20643249120 squared (20643249120²) is 426143734230380774400
• 20643249120 cubed (20643249120³) is 8796991266644821798397718528000
• The square root of 20643249120 is 143677.5873962255
• The cube root of 20643249120 is 2743.2118692387

Scales and comparisons

• 20,643,249,120 seconds is equal to 656 years, 20 weeks, 2 days, 11 hours, 52 minutes.
• To count from 1 to 20,643,249,120 would take you about one thousand, three hundred twelve 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 20643249120 cubic inches would be around 228.6 feet tall.

Recreational maths with 20643249120

• 20643249120 backwards is 02194234602
• The number of decimal digits it has is: 11
• The sum of 20643249120's digits is 33
• More coming soon!