20409765480

Names of 20409765480

• Cardinal: 20409765480 can be written as Twenty billion, four hundred nine million, seven hundred sixty-five thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.040976548 × 10¹⁰

Factors of 20409765480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 640

Divisors of 20409765480

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 17 18 20 24 26 27 30 34 36 39 40 45 51 52 54 60 65 68 72 78 85 90 102 104 108 117 120 130 135 136 153 156 170 180 195 204 216 221 233 234 255 260 270 306 312 340 351 360 367 390 408 442 459 466 468 510 520 540 585 612 663 680 699 702 734 765 780 884 918 932 936 1020 1080 1101 1105 1165 1170 1224 1326 1398 1404 1468 1530 1560 1755 1768 1835 1836 1864 1989 2040 2097 2202 2210 2295 2330 2340 2652 2796 2808 2936 3029 3060 3303 3315 3495 3510 3670 3672 3961 3978 4194 4404 4420 4590 4660 4680 4771 5304 5505 5592 5967 6058 6120 6239 6291 6606 6630 6990 7020 7340 7922 7956 8388 8808 8840 9087 9180 9320 9542 9909 9945 10485 11010 11883 11934 12116 12478 12582 13212 13260 13980 14040 14313 14680 15145 15844 15912 16515 16776 18174 18360 18717 19084 19805 19818 19890 20970 22020 23766 23855 23868 24232 24956 25164 26424 26520 27261 27960 28626 29835 30290 31195 31455 31688 33030 35649 36348 37434 38168 39610 39636 39780 41940 42939 44040 45435 47532 47710 47736 49545 49912 50328 51493 54522 56151 57252 59415 59670 60580 62390 62910 66060 71298 71565 72696 74868 79220 79272 79560 81107 81783 83880 85511 85878 90870 93585 95064 95420 99090 102986 106947 109044 112302 114504 118830 119340 121160 124780 125820 128817 132120 136305 142596 143130 149736 154479 158440 162214 163566 168453 171022 171756 178245 181740 187170 190840 198180 205972 213894 214695 218088 224604 237660 238680 243321 249560 251640 256533 257465 257634 272610 280755 285192 286260 308958 324428 327132 336906 342044 343512 356490 363480 374340 396360 405535 408915 411944 427555 427788 429390 449208 463437 475320 486642 513066 514930 515268 534735 545220 561510 572520 617916 644085 648856 654264 673812 684088 712980 729963 748680 769599 772395 811070 817830 842265 855110 855576 858780 926874 973284 1026132 1029860 1030536 1069470 1090440 1111643 1123020 1216605 1235832 1282665 1288170 1347624 1390311 1425960 1453687 1459926 1539198 1544790 1622140 1635660 1684530 1710220 1717560 1853748 1946568 2052264 2059720 2138940 2189889 2223286 2246040 2308797 2317185 2433210 2565330 2576340 2780622 2907374 2919852 3078396 3089580 3244280 3271320 3334929 3369060 3420440 3649815 3707496 3847995 4277880 4361061 4379778 4446572 4617594 4634370 4866420 5130660 5152680 5558215 5561244 5814748 5839704 6156792 6179160 6669858 6738120 6951555 7268435 7299630 7695990 8722122 8759556 8893144 9235188 9268740 9732840 10004787 10261320 10949445 11116430 11122488 11543985 11629496 13083183 13339716 13903110 14536870 14599260 15391980 16674645 17444244 17519112 18470376 18537480 18897931 20009574 21805305 21898890 22232860 23087970 26166366 26679432 27806220 29073740 29198520 30014361 30783960 33349290 34888488 37795862 39249549 40019148 43610610 43797780 44465720 46175940 50023935 52332732 55612440 56693793 58147480 60028722 65415915 66698580 75591724 78499098 80038296 87221220 87595560 92351880 94489655 100047870 104665464 113387586 120057444 130831830 133397160 150071805 151183448 156998196 170081379 174442440 188979310 196247745 200095740 226775172 240114888 261663660 283468965 300143610 313996392 340162758 377958620 392495490 400191480 453550344 510244137 523327320 566937930 600287220 680325516 755917240 784990980 850406895 1020488274 1133875860 1200574440 1360651032 1569981960 1700813790 2040976548 2267751720 2551220685 3401627580 4081953096 5102441370 6803255160 10204882740 20409765480
• Sum of all divisors σ(n): 78120806400
• Sum of proper divisors (its aliquot sum) s(n): 57711040920
• 20409765480 is an abundant number, because the sum of its proper divisors (57711040920) is greater than itself. Its abundance is 37301275440

Bases of 20409765480

• Binary: 10011000000100001000100111001101000₂
• Hexadecimal: 0x4C0844E68
• Base-36: 9DJG3U0

Squares and roots of 20409765480

• 20409765480 squared (20409765480²) is 416558526948599630400
• 20409765480 cubed (20409765480³) is 8501861843715178470878678592000
• The square root of 20409765480 is 142862.7504985117
• The cube root of 20409765480 is 2732.8303456111

Scales and comparisons

• 20,409,765,480 seconds is equal to 648 years, 50 weeks, 2 days, 3 hours, 18 minutes.
• To count from 1 to 20,409,765,480 would take you about one thousand, two hundred ninety-seven 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 20409765480 cubic inches would be around 227.7 feet tall.

Recreational maths with 20409765480

• 20409765480 backwards is 08456790402
• 20409765480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20409765480's digits is 45
• More coming soon!