20829791808

Names of 20829791808

• Cardinal: 20829791808 can be written as Twenty billion, eight hundred twenty-nine million, seven hundred ninety-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.0829791808 × 10¹⁰

Factors of 20829791808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 241

Divisors of 20829791808

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 31 32 36 38 42 48 49 56 57 62 63 64 72 76 84 93 96 98 112 114 124 126 133 144 147 152 168 171 179 186 192 196 217 224 228 248 252 266 279 288 294 304 336 342 343 358 372 392 399 434 441 448 456 496 504 532 537 558 576 588 589 608 651 672 684 686 716 744 784 798 868 882 912 931 992 1008 1029 1064 1074 1116 1176 1178 1197 1216 1253 1302 1344 1368 1372 1432 1488 1519 1568 1596 1611 1736 1764 1767 1824 1862 1953 1984 2016 2058 2128 2148 2232 2352 2356 2394 2506 2604 2736 2744 2793 2864 2976 3038 3087 3136 3192 3222 3401 3472 3528 3534 3648 3724 3759 3906 4032 4116 4123 4256 4296 4464 4557 4704 4712 4788 5012 5208 5301 5472 5488 5549 5586 5728 5952 6076 6174 6384 6444 6517 6802 6944 7056 7068 7448 7518 7812 8232 8246 8379 8512 8592 8771 8928 9114 9408 9424 9576 10024 10203 10416 10602 10633 10944 10976 11098 11172 11277 11456 12152 12348 12369 12768 12888 13034 13604 13671 13888 14112 14136 14896 15036 15624 16464 16492 16647 16758 17184 17542 17856 18228 18848 19152 19551 20048 20406 20832 21204 21266 21952 22196 22344 22554 23807 24304 24696 24738 25536 25776 26068 26313 27208 27342 28224 28272 28861 29792 30072 30609 31248 31899 32928 32984 33294 33516 34368 35084 36456 37107 37696 38304 38843 39102 40096 40812 41664 42408 42532 44392 44688 45108 47614 48608 49392 49476 49941 51552 52136 52626 54416 54684 56544 57722 58653 59584 60144 61218 61397 62496 63798 65856 65968 66588 67032 70168 71421 72912 74214 76608 77686 78204 78939 80192 81624 84816 85064 86583 88784 89376 90216 95228 95697 97216 98784 98952 99882 103104 104272 105252 105431 108832 109368 113088 115444 116529 117306 120288 122436 122794 124992 127596 131936 133176 134064 140336 142842 145824 148428 155372 156408 157878 163248 166649 169632 170128 173166 177568 178752 180432 184191 190456 191394 197568 197904 199764 202027 208544 210504 210862 214263 217664 218736 230888 233058 234612 240576 244872 245588 255192 259749 263872 266352 268128 271901 280672 285684 291648 296856 310744 312816 315756 316293 326496 333298 339264 340256 346332 349587 355136 360864 368382 380912 382788 395808 399528 404054 417088 421008 421724 428526 437472 461776 466116 469224 489744 491176 499947 510384 519498 532704 536256 543802 552573 561344 571368 593712 606081 621488 625632 631512 632586 652992 666596 680512 692664 699174 721728 736764 738017 761824 765576 791616 799056 808108 815703 842016 843448 857052 874944 923552 932232 938448 948879 979488 982352 999894 1020768 1038996 1065408 1087604 1105146 1142736 1166543 1187424 1212162 1242976 1251264 1263024 1265172 1333192 1385328 1398348 1473528 1476034 1499841 1523648 1531152 1598112 1616216 1631406 1684032 1686896 1714104 1818243 1847104 1864464 1876896 1897758 1903307 1958976 1964704 1999788 2041536 2077992 2175208 2210292 2214051 2285472 2333086 2374848 2424324 2447109 2485952 2526048 2530344 2666384 2770656 2796696 2947056 2952068 2999682 3062304 3196224 3232432 3262812 3373792 3428208 3499629 3636486 3728928 3753792 3795516 3806614 3929408 3999576 4155984 4350416 4420584 4428102 4570944 4666172 4848648 4894218 5052096 5060688 5166119 5332768 5541312 5593392 5709921 5894112 5904136 5999364 6124608 6464864 6525624 6642153 6747584 6856416 6999258 7272972 7457856 7591032 7613228 7999152 8311968 8700832 8841168 8856204 9332344 9697296 9788436 10121376 10332238 10498887 10665536 11186784 11419842 11788224 11808272 11998728 12929728 13051248 13284306 13712832 13998516 14545944 15182064 15226456 15498357 15998304 16623936 17129763 17401664 17682336 17712408 18664688 19394592 19576872 20242752 20664476 20997774 22373568 22839684 23616544 23997456 26102496 26568612 27997032 29091888 30364128 30452912 30996714 31996608 34259526 35364672 35424816 36162833 37329376 38789184 39153744 41328952 41995548 45679368 46495071 47233088 47994912 52204992 53137224 55994064 58183776 60728256 60905824 61993428 68519052 70849632 72325666 74658752 78307488 82657904 83991096 91358736 92990142 95989824 106274448 108488499 111988128 116367552 121811648 123986856 137038104 141699264 144651332 156614976 165315808 167982192 182717472 185980284 212548896 216976998 223976256 247973712 274076208 289302664 325465497 330631616 335964384 365434944 371960568 425097792 433953996 495947424 548152416 578605328 650930994 671928768 743921136 867907992 991894848 1096304832 1157210656 1301861988 1487842272 1735815984 2314421312 2603723976 2975684544 3471631968 5207447952 6943263936 10414895904 20829791808
• Sum of all divisors σ(n): 76078080000
• Sum of proper divisors (its aliquot sum) s(n): 55248288192
• 20829791808 is an abundant number, because the sum of its proper divisors (55248288192) is greater than itself. Its abundance is 34418496384

Bases of 20829791808

• Binary: 10011011001100011010110011001000000₂
• Hexadecimal: 0x4D98D6640
• Base-36: 9KHIQ80

Squares and roots of 20829791808

• 20829791808 squared (20829791808²) is 433880226764623908864
• 20829791808 cubed (20829791808³) is 9037634793114945441056285786112
• The square root of 20829791808 is 144325.2985723571
• The cube root of 20829791808 is 2751.4501137897

Scales and comparisons

• 20,829,791,808 seconds is equal to 662 years, 16 weeks, 5 days, 13 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,829,791,808 would take you about one thousand, three hundred twenty-four 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 20829791808 cubic inches would be around 229.3 feet tall.

Recreational maths with 20829791808

• 20829791808 backwards is 80819792802
• The number of decimal digits it has is: 11
• The sum of 20829791808's digits is 54
• More coming soon!