18213792768

Names of 18213792768

• Cardinal: 18213792768 can be written as Eighteen billion, two hundred thirteen million, seven hundred ninety-two thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8213792768 × 10¹⁰

Factors of 18213792768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 167

Divisors of 18213792768

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 41 43 48 57 59 64 72 76 82 86 96 114 118 123 128 129 144 152 164 171 172 177 192 228 236 246 256 258 288 304 328 342 344 354 369 384 387 456 472 492 512 516 531 576 608 656 684 688 708 738 768 774 779 817 912 944 984 1024 1032 1062 1121 1152 1216 1312 1368 1376 1416 1476 1536 1548 1558 1634 1763 1824 1888 1968 2064 2124 2242 2304 2337 2419 2432 2451 2537 2624 2736 2752 2832 2952 3072 3096 3116 3268 3363 3526 3648 3776 3936 4128 4248 4484 4608 4674 4838 4864 4902 5074 5248 5289 5472 5504 5664 5904 6192 6232 6536 6726 7011 7052 7257 7296 7353 7552 7611 7872 8256 8496 8968 9216 9348 9676 9728 9804 10089 10148 10496 10578 10944 11008 11328 11808 12384 12464 13072 13452 14022 14104 14514 14592 14706 15104 15222 15744 15867 16512 16992 17936 18696 19352 19456 19608 20178 20296 20992 21156 21771 21888 22016 22656 22833 23616 24768 24928 26144 26904 28044 28208 29028 29184 29412 30208 30444 31488 31734 33024 33497 33984 35872 37392 38704 39216 40356 40592 41984 42312 43542 43776 44032 45312 45666 45961 47232 48203 49536 49856 52288 53808 56088 56416 58056 58368 58824 60416 60888 62976 63468 66048 66994 67968 71744 74784 77408 78432 80712 81184 84624 87084 87552 90624 91332 91922 94464 96406 99072 99712 100491 104017 104576 107616 112176 112832 116112 117648 121776 125952 126936 132096 133988 135936 137883 143488 144609 149568 154816 156864 161424 162368 169248 174168 175104 181248 182664 183844 188928 192812 198144 199424 200982 208034 209152 215232 224352 225664 232224 235296 243552 253872 267976 271872 275766 286976 289218 299136 301473 309632 312051 313728 322848 324736 338496 348336 365328 367688 377856 385624 396288 398848 401964 413649 416068 418304 430464 433827 448704 451328 464448 470592 487104 507744 535952 543744 551532 573952 578436 598272 602946 619264 624102 627456 645696 649472 676992 696672 730656 735376 771248 797696 803928 827298 832136 836608 860928 867654 897408 902656 928896 936153 941184 974208 1015488 1071904 1103064 1147904 1156872 1196544 1205892 1238528 1248204 1254912 1291392 1298944 1353984 1393344 1461312 1470752 1542496 1607856 1654596 1664272 1721856 1735308 1794816 1805312 1857792 1872306 1882368 1948416 1976323 2030976 2143808 2206128 2313744 2393088 2411784 2477056 2496408 2509824 2582784 2597888 2707968 2786688 2922624 2941504 3084992 3215712 3309192 3328544 3443712 3470616 3589632 3715584 3744612 3764736 3896832 3952646 4061952 4287616 4412256 4627488 4823568 4992816 5165568 5415936 5573376 5845248 5883008 5928969 6169984 6431424 6618384 6657088 6941232 7179264 7431168 7489224 7529472 7793664 7905292 8123904 8575232 8824512 9254976 9647136 9985632 10331136 11146752 11690496 11766016 11857938 12339968 12862848 13236768 13314176 13882464 14978448 15810584 16247808 17150464 17649024 17786907 18509952 19294272 19971264 22293504 23380992 23532032 23715876 24679936 25725696 26473536 26628352 27764928 29956896 31621168 34300928 35298048 35573814 37019904 38588544 39942528 47064064 47431752 49359872 51451392 52947072 53256704 55529856 59913792 63242336 70596096 71147628 74039808 77177088 79885056 94863504 102902784 105894144 106513408 111059712 119827584 126484672 141192192 142295256 148079616 154354176 159770112 189727008 211788288 222119424 239655168 252969344 284590512 308708352 319540224 379454016 423576576 444238848 479310336 505938688 569181024 758908032 958620672 1011877376 1138362048 1517816064 2023754752 2276724096 3035632128 4553448192 6071264256 9106896384 18213792768
• Sum of all divisors σ(n): 59012553600
• Sum of proper divisors (its aliquot sum) s(n): 40798760832
• 18213792768 is an abundant number, because the sum of its proper divisors (40798760832) is greater than itself. Its abundance is 22584968064

Bases of 18213792768

• Binary: 10000111101101000000110110000000000₂
• Hexadecimal: 0x43DA06C00
• Base-36: 8D80SG0

Squares and roots of 18213792768

• 18213792768 squared (18213792768²) is 331742246995649101824
• 18213792768 cubed (18213792768³) is 6042284539169423338267666808832
• The square root of 18213792768 is 134958.4853501253
• The cube root of 18213792768 is 2631.0764275249

Scales and comparisons

• 18,213,792,768 seconds is equal to 579 years, 7 weeks, 2 days, 18 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,213,792,768 would take you about one thousand, one hundred fifty-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 18213792768 cubic inches would be around 219.3 feet tall.

Recreational maths with 18213792768

• 18213792768 backwards is 86729731281
• The number of decimal digits it has is: 11
• The sum of 18213792768's digits is 54
• More coming soon!