27989132688

Names of 27989132688

• Cardinal: 27989132688 can be written as Twenty-seven billion, nine hundred eighty-nine million, one hundred thirty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 2.7989132688 × 10¹⁰

Factors of 27989132688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 274

Divisors of 27989132688

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 33 36 44 48 54 62 66 72 81 88 93 99 108 124 132 144 162 176 186 198 216 227 243 248 264 279 297 324 341 372 396 432 454 486 496 528 558 594 648 681 682 729 744 792 837 891 908 961 972 1023 1116 1188 1296 1362 1364 1458 1488 1584 1674 1782 1816 1922 1944 2043 2046 2232 2376 2497 2511 2673 2724 2728 2883 2916 3069 3348 3564 3632 3844 3888 4086 4092 4464 4752 4994 5022 5346 5448 5456 5766 5832 6129 6138 6696 7037 7128 7491 7533 7688 8019 8172 8184 8649 9207 9988 10044 10571 10692 10896 11532 11664 12258 12276 13392 14074 14256 14982 15066 15376 16038 16344 16368 17298 18387 18414 19976 20088 21111 21142 21384 22473 22599 23064 24516 24552 25947 27621 28148 29964 30132 31713 32076 32688 34596 36774 36828 39952 40176 42222 42284 42768 44946 45198 46128 49032 49104 51894 55161 55242 56296 59928 60264 63333 63426 64152 67419 69192 73548 73656 77407 77841 82863 84444 84568 89892 90396 95139 98064 103788 110322 110484 112592 119856 120528 126666 126852 128304 134838 138384 147096 147312 154814 155682 165483 165726 168888 169136 179784 180792 189999 190278 202257 207576 218147 220644 220968 232221 233523 248589 253332 253704 269676 285417 294192 309628 311364 330966 331452 337776 359568 361584 379998 380556 404514 415152 436294 441288 441936 464442 467046 497178 506664 507408 539352 569997 570834 606771 619256 622728 654441 661932 662904 696663 700569 759996 761112 809028 856251 872588 882576 928884 934092 994356 1013328 1078704 1139994 1141668 1213542 1238512 1245456 1308882 1323864 1325808 1393326 1401138 1519992 1522224 1618056 1709991 1712502 1745176 1820313 1857768 1868184 1963323 1988712 2089989 2279988 2283336 2399617 2427084 2568753 2617764 2647728 2786652 2802276 3039984 3236112 3419982 3425004 3490352 3640626 3715536 3736368 3926646 3977424 4179978 4559976 4566672 4799234 4854168 5129973 5137506 5235528 5573304 5604552 5889969 6269967 6839964 6850008 7198851 7281252 7706259 7853292 8359956 9119952 9598468 9708336 10259946 10275012 10471056 11146608 11209104 11779938 12539934 13679928 13700016 14397702 14562504 15412518 15706584 16719912 17669907 18809901 19196936 20519892 20550024 21596553 23559876 25079868 27359856 28795404 29125008 30825036 31413168 33439824 35339814 37619802 38393872 41039784 41100048 43193106 47119752 50159736 53009721 56429703 57590808 61650072 64789659 70679628 75239604 82079568 86386212 94239504 100319472 106019442 112859406 115181616 123300144 129579318 141359256 150479208 159029163 172772424 194368977 212038884 225718812 259158636 282718512 300958416 318058326 345544848 388737954 424077768 451437624 518317272 583106931 636116652 777475908 848155536 902875248 1036634544 1166213862 1272233304 1554951816 1749320793 2332427724 2544466608 3109903632 3498641586 4664855448 6997283172 9329710896 13994566344 27989132688
• Sum of all divisors σ(n): 92054960784
• Sum of proper divisors (its aliquot sum) s(n): 64065828096
• 27989132688 is an abundant number, because the sum of its proper divisors (64065828096) is greater than itself. Its abundance is 36076695408

Bases of 27989132688

• Binary: 11010000100010010000100010110010000₂
• Hexadecimal: 0x684484590
• Base-36: CUW0900

Squares and roots of 27989132688

• 27989132688 squared (27989132688²) is 783391548626470105344
• 27989132688 cubed (27989132688³) is 21926450001164075927538553884672
• The square root of 27989132688 is 167299.5298499073
• The cube root of 27989132688 is 3036.1960691385

Scales and comparisons

• 27,989,132,688 seconds is equal to 889 years, 50 weeks, 2 days, 7 hours, 4 minutes, 48 seconds.
• To count from 1 to 27,989,132,688 would take you about one thousand, seven hundred seventy-nine 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 27989132688 cubic inches would be around 253 feet tall.

Recreational maths with 27989132688

• 27989132688 backwards is 88623198972
• The number of decimal digits it has is: 11
• The sum of 27989132688's digits is 63
• More coming soon!