20388413808

Names of 20388413808

• Cardinal: 20388413808 can be written as Twenty billion, three hundred eighty-eight million, four hundred thirteen thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.0388413808 × 10¹⁰

Factors of 20388413808

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 372

Divisors of 20388413808

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 31 36 42 48 56 58 62 63 72 84 87 93 112 116 124 126 144 149 151 168 174 186 203 217 232 248 252 261 279 298 302 336 348 372 406 434 447 453 464 496 504 522 558 596 604 609 651 696 744 812 868 894 899 906 1008 1043 1044 1057 1116 1192 1208 1218 1302 1341 1359 1392 1488 1624 1736 1788 1798 1812 1827 1953 2086 2088 2114 2232 2384 2416 2436 2604 2682 2697 2718 3129 3171 3248 3472 3576 3596 3624 3654 3906 4172 4176 4228 4321 4379 4464 4619 4681 4872 5208 5364 5394 5436 6258 6293 6342 7152 7192 7248 7308 7812 8091 8344 8456 8642 8758 9238 9362 9387 9513 9744 10416 10728 10788 10872 12516 12586 12684 12963 13137 13857 14043 14384 14616 15624 16182 16688 16912 17284 17516 18476 18724 18774 18879 19026 21456 21576 21744 22499 25032 25172 25368 25926 26274 27714 28086 29232 30247 30653 31248 32333 32364 32767 34568 35032 36952 37448 37548 37758 38052 38889 39411 41571 42129 43152 44998 50064 50344 50736 51852 52548 55428 56172 56637 60494 61306 64666 64728 65534 67497 69136 70064 73904 74896 75096 75516 76104 77778 78822 83142 84258 89996 90741 91959 96999 98301 100688 103704 105096 110856 112344 113274 120988 122612 129332 129456 131068 133951 134994 135749 150192 151032 152208 155556 157493 157644 166284 168516 179992 181482 183918 193998 196602 202491 207408 210192 221712 224688 226548 241976 245224 258664 262136 267902 269988 271498 272223 275877 290997 294903 302064 311112 314986 315288 332568 337032 359984 362964 367836 387996 393204 401853 404982 407247 453096 472479 483952 490448 517328 524272 535804 539976 542996 544446 551754 581994 589806 622224 629972 630576 652471 665136 674064 697469 725928 735672 775992 786408 803706 809964 814494 906192 937657 944958 950243 1071608 1079952 1085992 1088892 1103508 1163988 1179612 1205559 1221741 1259944 1304942 1394938 1417437 1451856 1471344 1551984 1572816 1607412 1619928 1628988 1875314 1889916 1900486 1957413 2092407 2143216 2171984 2177784 2207016 2327976 2359224 2411118 2443482 2519888 2609884 2789876 2812971 2834874 2850729 3214824 3239856 3257976 3750628 3779832 3800972 3914826 4184814 4355568 4414032 4567297 4655952 4718448 4822236 4882283 4886964 5219768 5579752 5625942 5669748 5701458 5872239 6277221 6429648 6515952 7501256 7559664 7601944 7829652 8369628 8438913 8552187 9134594 9644472 9764566 9773928 10439536 11159504 11251884 11339496 11402916 11744478 12554442 13701891 14646849 15002512 15203888 15659304 16739256 16877826 17104374 18269188 19288944 19529132 19547856 20226601 22503768 22678992 22805832 23488956 25108884 27403782 29293698 31318608 33478512 33755652 34208748 36538376 39058264 40453202 41105673 43940547 45007536 45611664 46977912 50217768 54807564 58587396 60679803 67511304 68417496 73076752 78116528 80906404 82211346 87881094 93955824 100435536 109615128 117174792 121359606 135022608 136834992 141586207 161812808 164422692 175762188 182039409 219230256 234349584 242719212 283172414 323625616 328845384 351524376 364078818 424758621 485438424 566344828 657690768 703048752 728157636 849517242 970876848 1132689656 1274275863 1456315272 1699034484 2265379312 2548551726 2912630544 3398068968 5097103452 6796137936 10194206904 20388413808
• Sum of all divisors σ(n): 70566912000
• Sum of proper divisors (its aliquot sum) s(n): 50178498192
• 20388413808 is an abundant number, because the sum of its proper divisors (50178498192) is greater than itself. Its abundance is 29790084384

Bases of 20388413808

• Binary: 10010111111001111101000000101110000₂
• Hexadecimal: 0x4BF3E8170
• Base-36: 9D6QGS0

Squares and roots of 20388413808

• 20388413808 squared (20388413808²) is 415687417606245060864
• 20388413808 cubed (20388413808³) is 8475207084935029105951378010112
• The square root of 20388413808 is 142788.0030254643
• The cube root of 20388413808 is 2731.8770297935

Scales and comparisons

• 20,388,413,808 seconds is equal to 648 years, 15 weeks, 16 minutes, 48 seconds.
• To count from 1 to 20,388,413,808 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 20388413808 cubic inches would be around 227.7 feet tall.

Recreational maths with 20388413808

• 20388413808 backwards is 80831488302
• The number of decimal digits it has is: 11
• The sum of 20388413808's digits is 45
• More coming soon!