20929475840

Names of 20929475840

• Cardinal: 20929475840 can be written as Twenty billion, nine hundred twenty-nine million, four hundred seventy-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.092947584 × 10¹⁰

Factors of 20929475840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 239

Divisors of 20929475840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 32 35 38 40 49 52 56 64 65 70 76 80 91 95 98 104 112 128 130 133 140 152 160 182 190 193 196 208 224 245 247 256 260 266 280 304 320 343 364 380 386 392 416 448 455 490 494 520 532 560 608 637 640 665 686 728 760 772 784 832 896 910 931 965 980 988 1040 1064 1120 1216 1235 1274 1280 1330 1351 1372 1456 1520 1544 1568 1664 1715 1729 1792 1820 1862 1930 1960 1976 2080 2128 2240 2432 2470 2509 2548 2660 2702 2744 2912 3040 3088 3136 3185 3328 3430 3458 3640 3667 3724 3860 3920 3952 4160 4256 4459 4480 4655 4864 4940 5018 5096 5320 5404 5488 5824 6080 6176 6272 6370 6517 6755 6860 6916 7280 7334 7448 7720 7840 7904 8320 8512 8645 8918 8960 9310 9457 9880 10036 10192 10640 10808 10976 11648 12103 12160 12352 12544 12545 12740 13034 13510 13720 13832 14560 14668 14896 15440 15680 15808 16640 17024 17290 17563 17836 18335 18620 18914 19760 20072 20384 21280 21616 21952 22295 23296 24206 24320 24704 25090 25480 25669 26068 27020 27440 27664 29120 29336 29792 30880 31360 31616 32585 34048 34580 35126 35672 36670 37240 37828 39520 40144 40768 42560 43232 43904 44590 47285 47671 48412 49408 50180 50960 51338 52136 54040 54880 55328 58240 58672 59584 60515 61760 62720 63232 65170 66199 69160 70252 71344 73340 74480 75656 79040 80288 81536 84721 85120 86464 87808 87815 89180 94570 95342 96824 100360 101920 102676 104272 108080 109760 110656 116480 117344 119168 121030 122941 123520 128345 130340 132398 138320 140504 142688 146680 148960 151312 158080 160576 163072 169442 170240 172928 175630 178360 179683 189140 190684 193648 200720 203840 205352 208544 216160 219520 221312 234688 238336 238355 242060 245882 247040 256690 260680 264796 276640 281008 285376 293360 297920 302624 316160 321152 330995 333697 338884 345856 351260 356720 359366 378280 381368 387296 401440 407680 410704 417088 423605 432320 439040 442624 469376 476710 484120 491764 513380 521360 529592 553280 562016 570752 586720 595840 605248 614705 642304 661990 667394 677768 702520 713440 718732 756560 762736 774592 802880 815360 821408 834176 847210 860587 864640 898415 938752 953420 968240 983528 1026760 1042720 1059184 1106560 1124032 1141504 1173440 1191680 1210496 1229410 1257781 1323980 1334788 1355536 1405040 1426880 1437464 1513120 1525472 1549184 1605760 1642816 1668352 1668485 1694420 1721174 1729280 1796830 1906840 1936480 1967056 2053520 2085440 2118368 2213120 2248064 2335879 2346880 2420992 2458820 2515562 2647960 2669576 2711072 2810080 2853760 2874928 3026240 3050944 3098368 3211520 3285632 3336970 3388840 3442348 3593660 3813680 3872960 3934112 4107040 4170880 4236736 4302935 4496128 4671758 4693760 4917640 5031124 5295920 5339152 5422144 5620160 5707520 5749856 6052480 6101888 6288905 6571264 6673940 6777680 6884696 7187320 7627360 7745920 7868224 8214080 8341760 8473472 8605870 9343516 9835280 10062248 10591840 10678304 10844288 11240320 11499712 11679395 12104960 12203776 12577810 13347880 13555360 13769392 14374640 15254720 15491840 15736448 16351153 16428160 16946944 17211740 18687032 19670560 20124496 21183680 21356608 21688576 22480640 22999424 23358790 25155620 26695760 27110720 27538784 28749280 30509440 31472896 32702306 32856320 34423480 37374064 39341120 40248992 42367360 42713216 45998848 46717580 50311240 53391520 54221440 55077568 57498560 61018880 65404612 68846960 74748128 78682240 80497984 81755765 84734720 85426432 93435160 100622480 106783040 108442880 110155136 114997120 130809224 137693920 149496256 157364480 160995968 163511530 186870320 201244960 213566080 220310272 229994240 261618448 275387840 298992512 321991936 327023060 373740640 402489920 427132160 523236896 550775680 597985024 654046120 747481280 804979840 1046473792 1101551360 1308092240 1494962560 1609959680 2092947584 2616184480 2989925120 4185895168 5232368960 10464737920 20929475840
• Sum of all divisors σ(n): 66618048000
• Sum of proper divisors (its aliquot sum) s(n): 45688572160
• 20929475840 is an abundant number, because the sum of its proper divisors (45688572160) is greater than itself. Its abundance is 24759096320

Bases of 20929475840

• Binary: 10011011111011111100111010100000000₂
• Hexadecimal: 0x4DF7E7500
• Base-36: 9M4VAWW

Squares and roots of 20929475840

• 20929475840 squared (20929475840²) is 438042958937143705600
• 20929475840 cubed (20929475840³) is 9168009525957061264963272704000
• The square root of 20929475840 is 144670.2313539311
• The cube root of 20929475840 is 2755.8322870805

Scales and comparisons

• 20,929,475,840 seconds is equal to 665 years, 25 weeks, 4 days, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 20,929,475,840 would take you about one thousand, three hundred thirty 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 20929475840 cubic inches would be around 229.7 feet tall.

Recreational maths with 20929475840

• 20929475840 backwards is 04857492902
• The number of decimal digits it has is: 11
• The sum of 20929475840's digits is 50
• More coming soon!