28931085792

Names of 28931085792

• Cardinal: 28931085792 can be written as Twenty-eight billion, nine hundred thirty-one million, eighty-five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.8931085792 × 10¹⁰

Factors of 28931085792

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 402

Divisors of 28931085792

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 29 31 32 34 36 42 48 51 54 56 58 62 63 68 72 84 87 93 96 102 108 112 116 119 124 126 136 144 153 168 174 186 189 203 204 216 217 224 232 238 248 252 261 272 279 288 306 313 336 348 357 372 378 406 408 432 434 459 464 476 493 496 504 522 527 544 558 609 612 626 651 672 696 714 744 756 783 812 816 837 864 868 899 918 928 939 952 986 992 1008 1044 1054 1071 1116 1218 1224 1252 1302 1392 1428 1479 1488 1512 1566 1581 1624 1632 1674 1736 1798 1827 1836 1878 1904 1953 1972 2016 2088 2108 2142 2191 2232 2436 2448 2504 2604 2697 2784 2817 2856 2958 2976 3024 3132 3162 3213 3248 3348 3451 3472 3596 3654 3672 3689 3756 3808 3906 3944 4176 4216 4284 4382 4437 4464 4743 4872 4896 5008 5208 5321 5394 5481 5634 5712 5859 5916 6048 6264 6293 6324 6426 6496 6573 6696 6902 6944 7192 7308 7344 7378 7512 7812 7888 8091 8352 8432 8451 8568 8764 8874 8928 9077 9486 9703 9744 10016 10353 10416 10642 10788 10962 11067 11268 11424 11718 11832 12528 12586 12648 12852 13146 13311 13392 13804 14229 14384 14616 14688 14756 15024 15283 15624 15776 15963 16182 16864 16902 17136 17528 17748 18154 18879 18972 19406 19488 19719 20706 20832 21284 21576 21924 22134 22536 23436 23664 24273 25056 25172 25296 25704 26292 26622 26784 27231 27608 28458 28768 29109 29232 29512 30048 30566 31059 31248 31926 32364 33201 33804 34272 35056 35496 36308 37247 37758 37944 38812 39438 41412 42568 43152 43848 44268 45072 45849 46872 47328 47889 48546 50344 50592 51408 52584 53244 54462 55216 56637 56916 58218 58464 59024 59157 61132 62118 62496 63539 63852 64728 66402 67608 67921 70112 70992 72616 74494 75516 75888 77624 78876 81693 82824 85136 86304 87327 87696 88536 90144 91698 93177 93744 95778 97092 99603 100688 102816 105168 106488 106981 108924 110432 111741 113274 113832 116436 118048 118314 122264 124236 127078 127704 129456 132804 135216 135842 137547 141984 143667 145232 148988 151032 151776 154309 155248 157752 163386 164951 165648 169911 170272 174654 175392 177072 183396 186354 187488 190617 191556 194184 199206 201376 203763 210336 212976 213962 217848 223482 226548 227664 232872 236628 244528 245079 248472 254156 255408 258912 261981 265608 270432 271684 275094 281387 287334 290464 297976 302064 308618 310496 315504 320943 326772 329902 331296 335223 339822 349308 354144 366792 372708 381234 383112 388368 398412 407526 412641 425952 427924 435696 446964 453096 455328 462927 465744 473256 489056 490158 494853 496944 508312 510816 523962 531216 543368 550188 562774 571851 574668 595952 604128 611289 617236 631008 641886 653544 659804 670446 679644 698616 733584 745416 762468 766224 776736 796824 815052 825282 844161 855848 871392 893928 906192 925854 931488 946512 962829 980316 989706 993888 1005669 1016624 1047924 1062432 1080163 1086736 1100376 1125548 1143702 1149336 1154657 1191904 1222578 1234472 1283772 1307088 1319608 1340892 1359288 1388781 1397232 1467168 1484559 1490832 1524936 1532448 1593648 1630104 1650564 1688322 1711696 1715553 1787856 1812384 1833867 1851708 1893024 1925658 1960632 1969709 1979412 2011338 2033248 2095848 2160326 2173472 2200752 2251096 2287404 2298672 2309314 2445156 2468944 2532483 2567544 2614176 2639216 2681784 2718576 2777562 2794464 2888487 2969118 2981664 3049872 3187296 3240489 3260208 3301128 3376644 3423392 3431106 3463971 3575712 3667734 3703416 3851316 3921264 3939418 3958824 4022676 4166343 4191696 4320652 4401504 4453677 4502192 4574808 4597344 4618628 4783579 4890312 4937888 5064966 5135088 5278432 5363568 5437152 5555124 5776974 5909127 5938236 6099744 6480978 6520416 6602256 6753288 6862212 6927942 7335468 7406832 7597449 7702632 7842528 7878836 7917648 8045352 8332686 8383392 8641304 8907354 9004384 9149616 9237256 9567158 9721467 9780624 10129932 10270176 10391913 10727136 11110248 11553948 11818254 11876472 12961956 13204512 13506576 13724424 13855884 14350737 14670936 14813664 15194898 15405264 15757672 15835296 16090704 16665372 17282608 17727381 17814708 18299232 18474512 19134316 19442934 19561248 20259864 20783826 22220496 23107896 23636508 23752944 25923912 27013152 27448848 27711768 28701474 29164401 29341872 30389796 30810528 31175739 31515344 32181408 33330744 33485053 34565216 35454762 35629416 36949024 38268632 38885868 40519728 41567652 43052211 44440992 46215792 47273016 47505888 51847824 53182143 54897696 55423536 57402948 58328802 58683744 60779592 62351478 63030688 66661488 66970106 70909524 71258832 76537264 77771736 81039456 83135304 86104422 92431584 94546032 100455159 103695648 106364286 110847072 114805896 116657604 121559184 124702956 129156633 133322976 133940212 141819048 142517664 153074528 155543472 166270608 172208844 189092064 200910318 212728572 229611792 233315208 243118368 249405912 258313266 267880424 283638096 301365477 311086944 332541216 344417688 401820636 425457144 459223584 466630416 498811824 516626532 535760848 567276192 602730954 688835376 803641272 850914288 904096431 933260832 997623648 1033253064 1071521696 1205461908 1377670752 1607282544 1701828576 1808192862 2066506128 2410923816 3214565088 3616385724 4133012256 4821847632 7232771448 9643695264 14465542896 28931085792
• Sum of all divisors σ(n): 109386547200
• Sum of proper divisors (its aliquot sum) s(n): 80455461408
• 28931085792 is an abundant number, because the sum of its proper divisors (80455461408) is greater than itself. Its abundance is 51524375616

Bases of 28931085792

• Binary: 11010111100011011010101010111100000₂
• Hexadecimal: 0x6BC6D55E0
• Base-36: DAGTKO0

Squares and roots of 28931085792

• 28931085792 squared (28931085792²) is 837007725104064267264
• 28931085792 cubed (28931085792³) is 24215542303552435444096401113088
• The square root of 28931085792 is 170091.4042272569
• The cube root of 28931085792 is 3069.8812600009

Scales and comparisons

• 28,931,085,792 seconds is equal to 919 years, 47 weeks, 5 days, 12 hours, 43 minutes, 12 seconds.
• To count from 1 to 28,931,085,792 would take you about one thousand, eight hundred thirty-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 28931085792 cubic inches would be around 255.8 feet tall.

Recreational maths with 28931085792

• 28931085792 backwards is 29758013982
• 28931085792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28931085792's digits is 54
• More coming soon!