20688379140

Names of 20688379140

• Cardinal: 20688379140 can be written as Twenty billion, six hundred eighty-eight million, three hundred seventy-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.068837914 × 10¹⁰

Factors of 20688379140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 275

Divisors of 20688379140

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 13 15 19 20 22 26 30 33 38 39 44 52 55 57 60 65 66 76 78 83 95 110 114 121 130 132 139 143 156 165 166 190 195 209 220 228 242 247 249 260 278 285 286 330 332 363 380 390 415 417 418 429 484 494 498 556 570 572 605 627 660 695 715 726 741 780 830 834 836 858 913 988 996 1045 1079 1140 1210 1235 1245 1254 1390 1430 1452 1482 1529 1573 1577 1660 1668 1716 1807 1815 1826 2085 2090 2145 2158 2299 2420 2470 2490 2508 2641 2717 2739 2780 2860 2964 3058 3135 3146 3154 3237 3614 3630 3652 3705 4170 4180 4290 4316 4565 4587 4598 4719 4731 4940 4980 5282 5395 5421 5434 5478 6116 6270 6292 6308 6474 6897 7228 7260 7410 7645 7865 7885 7923 8151 8340 8580 9035 9130 9174 9196 9438 9462 10043 10564 10790 10842 10868 10956 11495 11537 11869 12540 12948 13205 13585 13695 13794 14820 15290 15730 15770 15846 16185 16302 16819 17347 18070 18260 18348 18876 18924 19877 20086 20501 21580 21684 22935 22990 23074 23595 23655 23738 26410 27105 27170 27390 27588 29051 29887 30129 30580 31460 31540 31692 32370 32604 33638 34333 34485 34611 34694 35607 36140 39615 39754 40172 40755 41002 45870 45980 46148 47190 47310 47476 50215 50457 52041 52820 54210 54340 54780 57685 58102 59345 59631 59774 60258 61503 64740 67276 68666 68970 69222 69388 71214 79230 79508 81510 82004 84095 86735 87153 89661 91740 94380 94620 99385 100430 100914 102505 102999 104082 108420 115370 116204 118690 119262 119548 120516 123006 126907 130559 137332 137940 138444 142428 145255 149435 149981 150645 158460 163020 168190 171665 173055 173470 174306 178035 179322 190817 198770 200860 201828 205010 205998 208164 218647 219203 225511 230740 237380 238524 246012 252285 253814 260205 261118 290510 298155 298870 299962 301290 307515 319561 336380 343330 346110 346940 348612 356070 358644 377663 380721 381634 391677 397540 410020 411996 435765 437294 438406 448305 449943 451022 504570 507628 514995 520410 522236 572451 581020 596310 597740 599924 602580 615030 634535 639122 652795 655941 657609 676533 686660 692220 712140 749905 755326 761442 763268 783354 871530 874588 876812 896610 899886 902044 954085 958683 1009140 1029990 1040820 1093235 1096015 1127555 1132989 1144902 1192620 1230060 1269070 1278244 1305590 1311882 1315218 1353066 1395977 1499810 1510652 1522884 1566708 1597805 1649791 1743060 1793220 1799772 1888315 1903605 1908170 1917366 1958385 2059980 2186470 2192030 2249715 2255110 2265978 2289804 2411233 2480621 2538140 2611180 2623764 2630436 2706132 2791954 2849639 2862255 2999620 3195610 3279705 3288045 3299582 3382665 3776630 3807210 3816340 3834732 3916770 4154293 4187931 4372940 4384060 4499430 4510220 4531956 4793415 4822466 4949373 4961242 5583908 5664945 5699278 5724510 6391220 6559410 6576090 6599164 6765330 6979885 7233699 7441863 7553260 7614420 7833540 8248955 8308586 8375862 8548917 8998860 9586830 9644932 9898746 9922484 11329890 11398556 11449020 12056165 12403105 12462879 13118820 13152180 13530660 13959770 14248195 14467398 14883726 16497910 16617172 16751724 17097834 18147701 19173660 19797492 20771465 20939655 22659780 24112330 24746865 24806210 24925758 26523563 27919540 28496390 28934796 29767452 31346029 32995820 34195668 36168495 36295402 37209315 41542930 41879310 42744585 48224660 49493730 49612420 49851516 53047126 54443103 56992780 62314395 62692058 72336990 72590804 74418630 79570689 83085860 83758620 85489170 90738505 94038087 98987460 106094252 108886206 124628790 125384116 132617815 144673980 148837260 156730145 159141378 170978340 181477010 188076174 217772412 249257580 265235630 272215515 313460290 318282756 344806319 362954020 376152348 397853445 470190435 530471260 544431030 626920580 689612638 795706890 940380870 1034418957 1088862060 1379225276 1591413780 1724031595 1880761740 2068837914 3448063190 4137675828 5172094785 6896126380 10344189570 20688379140
• Sum of all divisors σ(n): 73574323200
• Sum of proper divisors (its aliquot sum) s(n): 52885944060
• 20688379140 is an abundant number, because the sum of its proper divisors (52885944060) is greater than itself. Its abundance is 32197564920

Bases of 20688379140

• Binary: 10011010001000111111001110100000100₂
• Hexadecimal: 0x4D11F9D04
• Base-36: 9I5BRIC

Squares and roots of 20688379140

• 20688379140 squared (20688379140²) is 428009031440387139600
• 20688379140 cubed (20688379140³) is 8854813117782909452424907944000
• The square root of 20688379140 is 143834.5547495455
• The cube root of 20688379140 is 2745.2094730341

Scales and comparisons

• 20,688,379,140 seconds is equal to 657 years, 42 weeks, 6 days, 19 hours, 59 minutes.
• To count from 1 to 20,688,379,140 would take you about one thousand, three hundred fifteen 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 20688379140 cubic inches would be around 228.8 feet tall.

Recreational maths with 20688379140

• 20688379140 backwards is 04197388602
• The number of decimal digits it has is: 11
• The sum of 20688379140's digits is 48
• More coming soon!