20447043840

Names of 20447043840

• Cardinal: 20447043840 can be written as Twenty billion, four hundred forty-seven million, forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.044704384 × 10¹⁰

Factors of 20447043840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 124

Divisors of 20447043840

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 53 54 60 61 64 72 80 81 90 96 106 108 120 122 128 135 144 159 160 162 180 183 192 212 216 240 244 256 265 270 288 305 318 320 324 360 366 384 405 424 432 477 480 488 530 540 549 576 610 636 640 648 720 732 768 795 810 848 864 915 954 960 976 1060 1080 1098 1152 1220 1272 1280 1296 1431 1440 1464 1590 1620 1647 1696 1728 1830 1908 1920 1952 2120 2160 2196 2304 2385 2440 2544 2592 2745 2862 2880 2928 3180 3233 3240 3294 3392 3456 3660 3721 3816 3840 3904 4240 4293 4320 4392 4770 4880 4941 5088 5184 5490 5724 5760 5856 6360 6466 6480 6588 6784 6912 7155 7320 7442 7632 7808 8235 8480 8586 8640 8784 9540 9699 9760 9882 10176 10368 10980 11163 11448 11520 11712 12720 12932 12960 13176 13568 14310 14640 14884 15264 15616 16165 16470 16960 17172 17280 17568 18605 19080 19398 19520 19764 20352 20736 21465 21960 22326 22896 23424 24705 25440 25864 25920 26352 28620 29097 29280 29768 30528 32330 32940 33489 33920 34344 34560 35136 37210 38160 38796 39040 39528 40704 42930 43920 44652 45792 46848 48495 49410 50880 51728 51840 52704 55815 57240 58194 58560 59536 61056 64660 65880 66978 67840 68688 70272 74420 76320 77592 78080 79056 85860 87291 87840 89304 91584 96990 98820 100467 101760 103456 103680 105408 111630 114480 116388 117120 119072 122112 129320 131760 133956 137376 140544 145485 148840 152640 155184 158112 167445 171720 174582 175680 178608 183168 193980 197213 197640 200934 203520 206912 210816 223260 228960 232776 234240 238144 258640 261873 263520 267912 274752 290970 297680 301401 305280 310368 316224 334890 343440 349164 351360 357216 366336 387960 394426 395280 401868 413824 421632 436455 446520 457920 465552 476288 502335 517280 523746 527040 535824 549504 581940 591639 595360 602802 610560 620736 632448 669780 686880 698328 702720 714432 775920 788852 790560 803736 827648 872910 893040 915840 931104 952576 986065 1004670 1034560 1047492 1054080 1071648 1099008 1163880 1183278 1190720 1205604 1241472 1264896 1309365 1339560 1373760 1396656 1428864 1507005 1551840 1577704 1581120 1607472 1745820 1774917 1786080 1831680 1862208 1972130 2009340 2069120 2094984 2108160 2143296 2327760 2366556 2381440 2411208 2482944 2618730 2679120 2747520 2793312 2857728 2958195 3014010 3103680 3155408 3162240 3214944 3491640 3549834 3572160 3724416 3944260 4018680 4138240 4189968 4286592 4655520 4733112 4762880 4822416 5237460 5324751 5358240 5495040 5586624 5916390 6028020 6207360 6310816 6324480 6429888 6983280 7099668 7144320 7448832 7888520 8037360 8379936 8573184 8874585 9311040 9466224 9644832 10474920 10649502 10716480 11173248 11832780 12056040 12414720 12621632 12859776 13966560 14199336 14288640 15777040 15974253 16074720 16759872 17749170 18622080 18932448 19289664 20949840 21299004 21432960 22346496 23665560 24112080 25243264 25719552 26623755 27933120 28398672 31554080 31948506 32149440 33519744 35498340 37244160 37864896 38579328 41899680 42598008 42865920 47331120 48224160 50486528 53247510 55866240 56797344 63108160 63897012 64298880 67039488 70996680 75729792 77158656 79871265 83799360 85196016 94662240 96448320 106495020 111732480 113594688 126216320 127794024 128597760 141993360 151459584 159742530 167598720 170392032 189324480 192896640 212990040 227189376 252432640 255588048 283986720 319485060 335197440 340784064 378648960 385793280 425980080 454378752 511176096 567973440 638970120 681568128 757297920 851960160 1022352192 1135946880 1277940240 1363136256 1703920320 2044704384 2271893760 2555880480 3407840640 4089408768 5111760960 6815681280 10223521920 20447043840
• Sum of all divisors σ(n): 75785762052
• Sum of proper divisors (its aliquot sum) s(n): 55338718212
• 20447043840 is an abundant number, because the sum of its proper divisors (55338718212) is greater than itself. Its abundance is 34891674372

Bases of 20447043840

• Binary: 10011000010101111010010000100000000₂
• Hexadecimal: 0x4C2BD2100
• Base-36: 9E5N400

Squares and roots of 20447043840

• 20447043840 squared (20447043840²) is 418081601794881945600
• 20447043840 cubed (20447043840³) is 8548532840597373829307695104000
• The square root of 20447043840 is 142993.1601161399
• The cube root of 20447043840 is 2734.4931684293

Scales and comparisons

• 20,447,043,840 seconds is equal to 650 years, 7 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 20,447,043,840 would take you about one thousand, three hundred 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 20447043840 cubic inches would be around 227.9 feet tall.

Recreational maths with 20447043840

• 20447043840 backwards is 04834074402
• 20447043840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20447043840's digits is 36
• More coming soon!