20421519888

Names of 20421519888

• Cardinal: 20421519888 can be written as Twenty billion, four hundred twenty-one million, five hundred nineteen thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.0421519888 × 10¹⁰

Factors of 20421519888

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 357

Divisors of 20421519888

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 53 56 66 77 84 88 98 106 112 132 147 154 159 168 176 196 212 231 264 281 294 308 318 336 371 392 424 462 528 539 562 583 588 616 636 742 784 843 848 924 1078 1113 1124 1166 1176 1232 1272 1484 1617 1686 1749 1848 1967 2156 2226 2248 2332 2352 2544 2597 2809 2968 3091 3234 3372 3498 3696 3934 4081 4312 4452 4496 4664 5194 5618 5901 5936 6182 6468 6744 6996 7791 7868 8162 8427 8624 8904 9273 9328 10388 11236 11802 12243 12364 12936 13488 13769 13992 14893 15582 15736 16324 16854 17808 18546 19663 20776 21637 22472 23604 24486 24728 25872 27538 27984 28567 29786 30899 31164 31472 32648 33708 37092 39326 41307 41552 43274 44679 44944 47208 48972 49456 55076 57134 58989 59572 61798 62328 64911 65296 67416 74184 78652 82614 85701 86548 89358 92697 94416 97944 104251 110152 114268 117978 119144 123596 124656 129822 134832 137641 148368 151459 157304 163823 165228 171402 173096 178716 185394 195888 208502 216293 220304 228536 235956 238288 247192 259644 275282 302918 312753 314608 327646 330456 342804 346192 357432 370788 412923 417004 432586 454377 457072 471912 491469 494384 519288 550564 605836 625506 648879 655292 660912 685608 714864 729757 741576 789329 825846 834008 865172 908754 943824 982938 1038576 1101128 1146761 1211672 1251012 1297758 1310584 1371216 1459514 1483152 1514051 1578658 1651692 1668016 1730344 1817508 1965876 2189271 2202256 2293522 2367987 2423344 2502024 2595516 2621168 2919028 3028102 3157316 3303384 3440283 3460688 3635016 3931752 4378542 4542153 4587044 4735974 5004048 5191032 5525303 5838056 6056204 6314632 6606768 6880566 7270032 7863504 8027327 8682619 8757084 9084306 9174088 9471948 10382064 11050606 11676112 12112408 12629264 13761132 16054654 16575909 17365238 17514168 18168612 18348176 18943896 22101212 24081981 24224816 26047857 27522264 32109308 33151818 34730476 35028336 36337224 37887792 38677121 44202424 48163962 52095714 55044528 60778333 64218616 66303636 69460952 72674448 77354242 88404848 96327924 104191428 116031363 121556666 128437232 132607272 138921904 154708484 182334999 192655848 208382856 232062726 243113332 265214544 309416968 364669998 385311696 416765712 425448331 464125452 486226664 618833936 729339996 850896662 928250904 972453328 1276344993 1458679992 1701793324 1856501808 2552689986 2917359984 3403586648 5105379972 6807173296 10210759944 20421519888
• Sum of all divisors σ(n): 68477554656
• Sum of proper divisors (its aliquot sum) s(n): 48056034768
• 20421519888 is an abundant number, because the sum of its proper divisors (48056034768) is greater than itself. Its abundance is 27634514880

Bases of 20421519888

• Binary: 10011000001001101111010101000010000₂
• Hexadecimal: 0x4C137AA10
• Base-36: 9DQG1LC

Squares and roots of 20421519888

• 20421519888 squared (20421519888²) is 417038474535979532544
• 20421519888 cubed (20421519888³) is 8516559501797687595408239235072
• The square root of 20421519888 is 142903.8833902005
• The cube root of 20421519888 is 2733.3548761869

Scales and comparisons

• 20,421,519,888 seconds is equal to 649 years, 17 weeks, 5 days, 4 hours, 24 minutes, 48 seconds.
• To count from 1 to 20,421,519,888 would take you about one thousand, two hundred ninety-eight 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 20421519888 cubic inches would be around 227.8 feet tall.

Recreational maths with 20421519888

• 20421519888 backwards is 88891512402
• 20421519888 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20421519888's digits is 48
• More coming soon!