20489143680

Names of 20489143680

• Cardinal: 20489143680 can be written as Twenty billion, four hundred eighty-nine million, one hundred forty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.048914368 × 10¹⁰

Factors of 20489143680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 931

Divisors of 20489143680

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 127 128 144 148 160 180 185 192 222 240 254 288 296 320 333 360 370 381 384 444 480 508 555 576 592 635 640 666 720 740 757 762 888 960 1016 1110 1143 1152 1184 1270 1332 1440 1480 1514 1524 1665 1776 1905 1920 2032 2220 2271 2286 2368 2540 2664 2880 2960 3028 3048 3330 3552 3785 3810 4064 4440 4542 4572 4699 4736 5080 5328 5715 5760 5920 6056 6096 6660 6813 7104 7570 7620 8128 8880 9084 9144 9398 10160 10656 11355 11430 11840 12112 12192 13320 13626 14097 14208 15140 15240 16256 17760 18168 18288 18796 20320 21312 22710 22860 23495 23680 24224 24384 26640 27252 28009 28194 30280 30480 34065 35520 36336 36576 37592 40640 42291 42624 45420 45720 46990 48448 48768 53280 54504 56018 56388 60560 60960 68130 70485 71040 72672 73152 75184 81280 84027 84582 90840 91440 93980 96139 96896 106560 109008 112036 112776 121120 121920 136260 140045 140970 145344 146304 150368 168054 169164 181680 182880 187960 192278 211455 213120 218016 224072 225552 242240 243840 252081 272520 280090 281940 288417 290688 300736 336108 338328 363360 365760 375920 384556 420135 422910 436032 448144 451104 480695 484480 504162 545040 560180 563880 576834 601472 672216 676656 726720 731520 751840 769112 840270 845820 865251 872064 896288 902208 961390 1008324 1090080 1120360 1127760 1153668 1260405 1344432 1353312 1442085 1453440 1503680 1538224 1680540 1691640 1730502 1792576 1804416 1922780 2016648 2180160 2240720 2255520 2307336 2520810 2688864 2706624 2884170 3007360 3076448 3361080 3383280 3461004 3557143 3585152 3845560 4033296 4326255 4360320 4481440 4511040 4614672 5041620 5377728 5413248 5768340 6152896 6722160 6766560 6922008 7114286 7691120 8066592 8652510 8962880 9022080 9229344 10083240 10671429 10755456 11536680 12305792 13444320 13533120 13844016 14228572 15382240 16133184 17305020 17785715 17925760 18458688 20166480 21342858 23073360 26888640 27066240 27688032 28457144 30764480 32014287 32266368 34610040 35571430 36917376 40332960 42685716 46146720 53357145 53777280 55376064 56914288 61528960 64028574 69220080 71142860 80665920 85371432 92293440 106714290 110752128 113828576 128057148 138440160 142285720 160071435 161331840 170742864 184586880 213428580 227657152 256114296 276880320 284571440 320142870 341485728 426857160 455314304 512228592 553760640 569142880 640285740 682971456 853714320 1024457184 1138285760 1280571480 1365942912 1707428640 2048914368 2276571520 2561142960 3414857280 4097828736 5122285920 6829714560 10244571840 20489143680
• Sum of all divisors σ(n): 73332679680
• Sum of proper divisors (its aliquot sum) s(n): 52843536000
• 20489143680 is an abundant number, because the sum of its proper divisors (52843536000) is greater than itself. Its abundance is 32354392320

Bases of 20489143680

• Binary: 10011000101001111111000010110000000₂
• Hexadecimal: 0x4C53F8580
• Base-36: 9EUPGG0

Squares and roots of 20489143680

• 20489143680 squared (20489143680²) is 419805008739683942400
• 20489143680 cubed (20489143680³) is 8601445141651040013622444032000
• The square root of 20489143680 is 143140.2936981757
• The cube root of 20489143680 is 2736.3686278735

Scales and comparisons

• 20,489,143,680 seconds is equal to 651 years, 25 weeks, 3 days, 20 hours, 48 minutes.
• To count from 1 to 20,489,143,680 would take you about one thousand, three hundred two 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 20489143680 cubic inches would be around 228 feet tall.

Recreational maths with 20489143680

• 20489143680 backwards is 08634198402
• 20489143680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20489143680's digits is 45
• More coming soon!