20284729920

Names of 20284729920

• Cardinal: 20284729920 can be written as Twenty billion, two hundred eighty-four million, seven hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.028472992 × 10¹⁰

Factors of 20284729920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11087

Divisors of 20284729920

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 49 52 56 60 63 64 65 70 72 78 80 84 90 91 96 98 104 105 112 117 120 126 130 140 144 147 156 160 168 180 182 192 195 196 208 210 224 234 240 245 252 260 273 280 288 294 312 315 320 336 360 364 390 392 416 420 441 448 455 468 480 490 504 520 546 560 576 585 588 624 630 637 672 720 728 735 780 784 819 832 840 882 910 936 960 980 1008 1040 1092 1120 1170 1176 1248 1260 1274 1344 1365 1440 1456 1470 1560 1568 1638 1680 1764 1820 1872 1911 1960 2016 2080 2184 2205 2240 2340 2352 2496 2520 2548 2730 2880 2912 2940 3120 3136 3185 3276 3360 3528 3640 3744 3822 3920 4032 4095 4160 4368 4410 4680 4704 5040 5096 5460 5733 5824 5880 6240 6370 6552 6720 7056 7280 7488 7644 7840 8190 8736 8820 9360 9408 9555 10080 10192 10920 11057 11466 11760 12480 12740 13104 14112 14560 15288 15680 16380 17472 17640 18720 19110 20160 20384 21840 22114 22932 23520 25480 26208 28224 28665 29120 30576 32760 33171 35280 37440 38220 40768 43680 44228 45864 47040 50960 52416 55285 57330 61152 65520 66342 70560 76440 77399 87360 88456 91728 99513 101920 110570 114660 122304 131040 132684 141120 143741 152880 154798 165855 176912 183456 199026 203840 221140 229320 232197 262080 265368 287482 305760 309596 331710 353824 366912 386995 398052 431223 442280 458640 464394 497565 530736 541793 574964 611520 619192 663420 696591 707648 718705 773990 796104 862446 884560 917280 928788 995130 1006187 1061472 1083586 1149928 1160985 1238384 1293669 1326840 1393182 1437410 1547980 1592208 1625379 1724892 1769120 1834560 1857576 1990260 2012374 2122944 2156115 2167172 2299856 2321970 2476768 2587338 2653680 2708965 2786364 2874820 3018561 3095960 3184416 3250758 3449784 3482955 3538240 3715152 3980520 4024748 4312230 4334344 4599712 4643940 4876137 4953536 5030935 5174676 5307360 5417930 5572728 5749640 6037122 6191920 6368832 6468345 6501516 6899568 6965910 7043309 7430304 7961040 8049496 8126895 8624460 8668688 9055683 9199424 9287880 9752274 10061870 10349352 10614720 10835860 11145456 11499280 12074244 12383840 12936690 13003032 13799136 13931820 14086618 14860608 15092805 15922080 16098992 16253790 17248920 17337376 18111366 18575760 19504548 20123740 20698704 21129927 21671720 22290912 22998560 24148488 24380685 24767680 25873380 26006064 27598272 27863640 28173236 30185610 31844160 32197984 32507580 34497840 34674752 35216545 36222732 37151520 39009096 40247480 41397408 42259854 43343440 44581824 45278415 45997120 48296976 48761370 51746760 52012128 55727280 56346472 60371220 63389781 64395968 65015160 68995680 70433090 72445464 74303040 78018192 80494960 82794816 84519708 86686880 90556830 96593952 97522740 103493520 104024256 105649635 111454560 112692944 120742440 126779562 130030320 137991360 140866180 144890928 156036384 160989920 169039416 173373760 181113660 193187904 195045480 206987040 211299270 222909120 225385888 241484880 253559124 260060640 281732360 289781856 312072768 316948905 321979840 338078832 362227320 390090960 413974080 422598540 450771776 482969760 507118248 520121280 563464720 579563712 633897810 676157664 724454640 780181920 845197080 965939520 1014236496 1126929440 1267795620 1352315328 1448909280 1560363840 1690394160 2028472992 2253858880 2535591240 2897818560 3380788320 4056945984 5071182480 6761576640 10142364960 20284729920
• Sum of all divisors σ(n): 87413357304
• Sum of proper divisors (its aliquot sum) s(n): 67128627384
• 20284729920 is an abundant number, because the sum of its proper divisors (67128627384) is greater than itself. Its abundance is 46843897464

Bases of 20284729920

• Binary: 10010111001000100000110101001000000₂
• Hexadecimal: 0x4B9106A40
• Base-36: 9BH05S0

Squares and roots of 20284729920

• 20284729920 squared (20284729920²) is 411470267927343206400
• 20284729920 cubed (20284729920³) is 8346563255016195124970815488000
• The square root of 20284729920 is 142424.4709310869
• The cube root of 20284729920 is 2727.2382326789

Scales and comparisons

• 20,284,729,920 seconds is equal to 644 years, 51 weeks, 3 days, 23 hours, 12 minutes.
• To count from 1 to 20,284,729,920 would take you about one thousand, two hundred eighty-nine 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 20284729920 cubic inches would be around 227.3 feet tall.

Recreational maths with 20284729920

• 20284729920 backwards is 02992748202
• 20284729920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20284729920's digits is 45
• More coming soon!