20355388872

Names of 20355388872

• Cardinal: 20355388872 can be written as Twenty billion, three hundred fifty-five million, three hundred eighty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.0355388872 × 10¹⁰

Factors of 20355388872

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 456

Divisors of 20355388872

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 17 21 24 26 28 34 39 42 51 52 56 68 78 84 91 102 104 119 136 156 168 169 181 182 204 221 233 238 273 312 338 357 362 364 408 442 466 476 507 543 546 663 676 699 714 724 728 884 932 952 1014 1086 1092 1183 1267 1326 1352 1398 1428 1448 1547 1631 1768 1864 2028 2172 2184 2353 2366 2534 2652 2796 2856 2873 3029 3077 3094 3262 3549 3801 3961 4056 4344 4641 4706 4732 4893 5068 5304 5592 5746 6058 6154 6188 6524 7059 7098 7602 7922 8619 9087 9231 9282 9412 9464 9786 10136 11492 11883 12116 12308 12376 13048 14118 14196 15204 15844 16471 17238 18174 18462 18564 18824 19572 20111 21203 21539 22984 23766 24232 24616 27727 28236 28392 30408 30589 31688 32942 34476 36348 36924 37128 39144 39377 40001 40222 42173 42406 43078 47532 49413 51493 55454 56472 60333 61178 63609 64617 65884 68952 72696 73848 78754 80002 80444 83181 84346 84812 86156 91767 95064 98826 102986 110908 118131 120003 120666 122356 126519 127218 129234 131768 154479 157508 160004 160888 166362 168692 169624 172312 183534 197652 205972 214123 221816 236262 240006 241332 244712 253038 254436 258468 275639 280007 295211 308958 315016 320008 332724 337384 360451 367068 395304 411944 428246 472524 480012 482664 506076 508872 516936 520013 548249 551278 560014 590422 617916 642369 665448 669409 716941 720902 734136 826917 840021 856492 885633 945048 960024 1012152 1040026 1081353 1096498 1102556 1120028 1180844 1235832 1284738 1338818 1433882 1441804 1560039 1644747 1653834 1680042 1712984 1771266 2008227 2080052 2150823 2162706 2192996 2205112 2240056 2361688 2569476 2677636 2867764 2883608 3120078 3289494 3307668 3360084 3542532 3640091 3837743 4016454 4160104 4301646 4325412 4385992 4685863 5018587 5138952 5355272 5735528 6240156 6578988 6615336 6720168 7085064 7127237 7280182 7675486 8032908 8603292 8650824 9320233 9371726 10037174 10920273 11513229 12480312 13157976 14057589 14254474 14560364 15055761 15350972 16065816 17206584 18640466 18743452 20074348 21381711 21840546 23026458 27960699 28115178 28508948 29120728 30111522 30701944 37280932 37486904 40148696 42763422 43681092 46052916 49890659 55921398 56230356 57017896 60223044 65241631 74561864 85526844 87362184 92105832 99781318 111842796 112460712 120446088 121163029 130483262 149671977 171053688 195724893 199562636 223685592 242326058 260966524 299343954 363489087 391449786 399125272 484652116 521933048 598687908 726978174 782899572 848141203 969304232 1197375816 1453956348 1565799144 1696282406 2544423609 2907912696 3392564812 5088847218 6785129624 10177694436 20355388872
• Sum of all divisors σ(n): 67336738560
• Sum of proper divisors (its aliquot sum) s(n): 46981349688
• 20355388872 is an abundant number, because the sum of its proper divisors (46981349688) is greater than itself. Its abundance is 26625960816

Bases of 20355388872

• Binary: 10010111101010001101001010111001000₂
• Hexadecimal: 0x4BD4695C8
• Base-36: 9CN2MKO

Squares and roots of 20355388872

• 20355388872 squared (20355388872²) is 414341856130341432384
• 20355388872 cubed (20355388872³) is 8434089607479376974309814030848
• The square root of 20355388872 is 142672.3129131927
• The cube root of 20355388872 is 2730.4012108749

Scales and comparisons

• 20,355,388,872 seconds is equal to 647 years, 12 weeks, 2 days, 18 hours, 41 minutes, 12 seconds.
• To count from 1 to 20,355,388,872 would take you about one thousand, two hundred ninety-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 20355388872 cubic inches would be around 227.5 feet tall.

Recreational maths with 20355388872

• 20355388872 backwards is 27888355302
• 20355388872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20355388872's digits is 51
• More coming soon!