20381878272

Names of 20381878272

• Cardinal: 20381878272 can be written as Twenty billion, three hundred eighty-one million, eight hundred seventy-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.0381878272 × 10¹⁰

Factors of 20381878272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 547

Divisors of 20381878272

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 61 64 68 84 96 102 112 119 122 128 136 168 183 192 204 224 238 244 256 272 336 357 366 384 408 427 448 457 476 488 512 544 672 714 732 768 816 854 896 914 952 976 1024 1037 1088 1281 1344 1371 1428 1464 1536 1632 1708 1792 1828 1904 1952 2048 2074 2176 2562 2688 2742 2856 2928 3072 3111 3199 3264 3416 3584 3656 3808 3904 4148 4352 5124 5376 5484 5712 5856 6144 6222 6398 6528 6832 7168 7259 7312 7616 7769 7808 8296 8704 9597 10248 10752 10968 11424 11712 12444 12796 13056 13664 14336 14518 14624 15232 15538 15616 16592 17408 19194 20496 21504 21777 21936 22848 23307 23424 24888 25592 26112 27328 27877 29036 29248 30464 31076 31232 33184 34816 38388 40992 43008 43554 43872 45696 46614 46848 49776 51184 52224 54383 54656 55754 58072 58496 60928 62152 62464 66368 76776 81984 83631 87108 87744 91392 93228 93696 99552 102368 104448 108766 109312 111508 116144 116992 121856 124304 124928 132736 153552 163149 163968 167262 174216 175488 182784 186456 187392 195139 199104 204736 217532 218624 223016 232288 233984 243712 248608 265472 307104 326298 327936 334524 348432 350976 365568 372912 374784 390278 398208 409472 435064 437248 446032 464576 467968 473909 497216 530944 585417 614208 652596 655872 669048 696864 701952 731136 745824 780556 796416 818944 870128 874496 892064 929152 935936 947818 994432 1061888 1170834 1228416 1305192 1311744 1338096 1393728 1403904 1421727 1491648 1561112 1592832 1637888 1740256 1784128 1858304 1895636 1988864 2123776 2341668 2456832 2610384 2623488 2676192 2787456 2807808 2843454 2983296 3122224 3185664 3275776 3317363 3480512 3568256 3716608 3791272 3977728 4683336 4913664 5220768 5352384 5574912 5686908 5966592 6244448 6371328 6551552 6634726 6961024 7136512 7433216 7582544 7955456 9366672 9827328 9952089 10441536 10704768 11149824 11373816 11933184 12488896 13269452 13922048 14273024 14866432 15165088 15910912 18733344 19654656 19904178 20883072 21409536 22299648 22747632 23866368 24977792 26538904 27844096 28546048 30330176 37466688 39808356 41766144 42819072 44599296 45495264 47732736 49955584 53077808 55688192 57092096 60660352 74933376 79616712 83532288 85638144 90990528 99911168 106155616 111376384 121320704 149866752 159233424 167064576 171276288 181981056 199822336 212311232 242641408 299733504 318466848 334129152 363962112 399644672 424622464 485282816 599467008 636933696 727924224 849244928 970565632 1198934016 1273867392 1455848448 1698489856 2547734784 2911696896 3396979712 5095469568 6793959424 10190939136 20381878272
• Sum of all divisors σ(n): 66978213120
• Sum of proper divisors (its aliquot sum) s(n): 46596334848
• 20381878272 is an abundant number, because the sum of its proper divisors (46596334848) is greater than itself. Its abundance is 26214456576

Bases of 20381878272

• Binary: 10010111110110110101100100000000000₂
• Hexadecimal: 0x4BEDAC800
• Base-36: 9D2UDXC

Squares and roots of 20381878272

• 20381878272 squared (20381878272²) is 415420961894625705984
• 20381878272 cubed (20381878272³) is 8467059476973411630367949979648
• The square root of 20381878272 is 142765.1157391049
• The cube root of 20381878272 is 2731.5850961995

Scales and comparisons

• 20,381,878,272 seconds is equal to 648 years, 4 weeks, 1 day, 8 hours, 51 minutes, 12 seconds.
• To count from 1 to 20,381,878,272 would take you about one thousand, two hundred ninety-six 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 20381878272 cubic inches would be around 227.6 feet tall.

Recreational maths with 20381878272

• 20381878272 backwards is 27287818302
• 20381878272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20381878272's digits is 48
• More coming soon!