20513545920

Names of 20513545920

• Cardinal: 20513545920 can be written as Twenty billion, five hundred thirteen million, five hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.051354592 × 10¹⁰

Factors of 20513545920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 246

Divisors of 20513545920

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 37 40 42 45 48 54 56 60 63 64 70 72 74 80 84 89 90 96 103 105 108 111 112 120 126 135 140 144 148 160 168 178 180 185 189 192 206 210 216 222 224 240 252 259 267 270 280 288 296 309 315 320 333 336 356 360 370 378 412 420 432 444 445 448 480 504 515 518 534 540 555 560 576 592 618 623 630 666 672 712 720 721 740 756 777 801 824 840 864 888 890 927 945 960 999 1008 1030 1036 1068 1080 1110 1120 1184 1236 1246 1260 1295 1332 1335 1344 1424 1440 1442 1480 1512 1545 1554 1602 1648 1665 1680 1728 1776 1780 1854 1869 1890 1998 2016 2060 2072 2136 2160 2163 2220 2240 2331 2368 2403 2472 2492 2520 2590 2664 2670 2781 2848 2880 2884 2960 3024 3090 3108 3115 3204 3293 3296 3330 3360 3552 3560 3605 3708 3738 3780 3811 3885 3996 4005 4032 4120 4144 4272 4320 4326 4440 4635 4662 4806 4944 4984 4995 5040 5180 5328 5340 5562 5607 5696 5768 5920 6048 6180 6216 6230 6408 6489 6586 6592 6660 6720 6993 7104 7120 7210 7416 7476 7560 7622 7770 7992 8010 8240 8288 8544 8640 8652 8880 9167 9270 9324 9345 9612 9879 9888 9968 9990 10080 10360 10656 10680 10815 11124 11214 11433 11536 11655 11840 12015 12096 12360 12432 12460 12816 12978 13172 13320 13905 13986 14240 14420 14832 14952 15120 15244 15540 15984 16020 16465 16480 16576 16821 17088 17304 17760 18334 18540 18648 18690 19055 19224 19467 19758 19776 19936 19980 20160 20720 21312 21360 21630 22248 22428 22866 23051 23072 23310 24030 24720 24864 24920 25632 25956 26344 26640 26677 27501 27810 27972 28035 28480 28840 29637 29664 29904 30240 30488 31080 31968 32040 32445 32930 32960 33642 34299 34608 34965 35520 36668 37080 37296 37380 38110 38448 38934 39516 39872 39960 41440 42720 43260 44496 44856 45732 45835 46102 46144 46620 48060 49395 49440 49728 49840 51264 51912 52688 53280 53354 55002 55620 55944 56070 57165 57680 59274 59328 59808 60480 60976 62160 63936 64080 64169 64890 65860 67284 68598 69153 69216 69930 73336 74160 74592 74760 76220 76896 77868 79032 79920 80031 82503 82880 84105 85440 86520 88911 88992 89712 91464 91670 92204 93240 96120 97335 98790 98880 99680 102897 103824 105376 106560 106708 110004 111240 111888 112140 114330 115255 115360 118548 119616 121952 124320 128160 128338 129780 131720 133385 134568 137196 137505 138306 138432 139860 146672 148185 148320 149184 149520 152440 153792 155736 158064 159840 160062 165006 168210 171495 173040 177822 177984 179424 182928 183340 184408 186480 192240 192507 194670 197580 199360 205794 207459 207648 210752 213416 220008 222480 223776 224280 228660 230510 230720 237096 240093 243904 247509 248640 256320 256676 259560 263440 266770 269136 274392 275010 276612 279720 293344 296370 296640 299040 304880 311472 316128 319680 320124 320845 330012 336420 339179 342990 345765 346080 355644 358848 365856 366680 368816 372960 384480 385014 389340 395160 400155 411588 412515 414918 415296 426832 440016 444555 444960 447552 448560 457320 461020 474192 480186 495018 513352 514485 519120 526880 533540 538272 548784 550020 553224 559440 577521 586688 592740 598080 609760 622377 622944 632256 640248 641690 660024 672840 678358 685980 691530 692160 711288 720279 731712 733360 737632 745920 768960 770028 778680 790320 800310 823176 825030 829836 853664 880032 889110 889920 897120 914640 922040 948384 960372 962535 990036 1017537 1026704 1028970 1037295 1038240 1053760 1067080 1076544 1097568 1100040 1106448 1118880 1155042 1185480 1200465 1219520 1237545 1244754 1245888 1280496 1283380 1320048 1345680 1356716 1371960 1383060 1422576 1440558 1466720 1475264 1540056 1557360 1580640 1600620 1646352 1650060 1659672 1695895 1707328 1732563 1760064 1778220 1794240 1829280 1844080 1896768 1920744 1925070 1980072 2035074 2053408 2057940 2074590 2076480 2134160 2195136 2200080 2212896 2237760 2310084 2370960 2374253 2400930 2475090 2489508 2560992 2566760 2640096 2691360 2713432 2743920 2766120 2845152 2881116 2887605 2933440 3052611 3080112 3111885 3114720 3161280 3201240 3292704 3300120 3319344 3391790 3465126 3556440 3601395 3658560 3688160 3841488 3850140 3960144 4070148 4106816 4115880 4149180 4268320 4400160 4425792 4620168 4741920 4748506 4801860 4950180 4979016 5087685 5121984 5133520 5280192 5382720 5426864 5487840 5532240 5690304 5762232 5775210 6105222 6160224 6223770 6229440 6402480 6585408 6600240 6638688 6783580 6930252 7112880 7122759 7202790 7376320 7682976 7700280 7920288 8140296 8231760 8298360 8536640 8662815 8800320 9157833 9240336 9483840 9497012 9603720 9900360 9958032 10175370 10267040 10853728 10975680 11064480 11524464 11550420 11871265 12210444 12320448 12447540 12804960 13200480 13277376 13567160 13860504 14225760 14245518 14405580 15263055 15365952 15400560 15840576 16280592 16463520 16596720 17325630 18315666 18480672 18994024 19207440 19800720 19916064 20350740 20534080 21368277 21707456 22128960 23048928 23100840 23742530 24420888 24895080 25609920 26400960 27134320 27721008 28451520 28491036 28811160 30526110 30801120 32561184 32927040 33193440 34651260 35613795 36631332 36961344 37988048 38414880 39601440 39832128 40701480 42736554 45789165 46097856 46201680 47485060 48841776 49790160 54268640 55442016 56982072 57622320 61052220 61602240 64104831 65122368 66386880 69302520 71227590 73262664 75976096 76829760 79202880 81402960 85473108 91578330 92403360 94970120 97683552 99580320 106841385 108537280 110884032 113964144 115244640 122104440 128209662 138605040 142455180 146525328 151952192 162805920 170946216 183156660 184806720 189940240 195367104 199160640 213682770 227928288 230489280 244208880 256419324 277210080 284910360 293050656 320524155 325611840 341892432 366313320 379880480 427365540 455856576 488417760 512838648 554420160 569820720 586101312 641048310 683784864 732626640 759760960 854731080 976835520 1025677296 1139641440 1282096620 1367569728 1465253280 1709462160 2051354592 2279282880 2564193240 2930506560 3418924320 4102709184 5128386480 6837848640 10256772960 20513545920
• Sum of all divisors σ(n): 86729011200
• Sum of proper divisors (its aliquot sum) s(n): 66215465280
• 20513545920 is an abundant number, because the sum of its proper divisors (66215465280) is greater than itself. Its abundance is 45701919360

Bases of 20513545920

• Binary: 10011000110101100111101111011000000₂
• Hexadecimal: 0x4C6B3DEC0
• Base-36: 9F98HC0

Squares and roots of 20513545920

• 20513545920 squared (20513545920²) is 420805566211948646400
• 20513545920 cubed (20513545920³) is 8632214305880409010608242688000
• The square root of 20513545920 is 143225.5072254939
• The cube root of 20513545920 is 2737.4545205429

Scales and comparisons

• 20,513,545,920 seconds is equal to 652 years, 13 weeks, 6 days, 7 hours, 12 minutes.
• To count from 1 to 20,513,545,920 would take you about one thousand, three hundred 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 20513545920 cubic inches would be around 228.1 feet tall.

Recreational maths with 20513545920

• 20513545920 backwards is 02954531502
• 20513545920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20513545920's digits is 36
• More coming soon!