28749438432

Names of 28749438432

• Cardinal: 28749438432 can be written as Twenty-eight billion, seven hundred forty-nine million, four hundred thirty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.8749438432 × 10¹⁰

Factors of 28749438432

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 270

Divisors of 28749438432

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 23 24 26 27 32 33 36 39 44 46 48 52 54 66 67 69 72 78 88 92 96 99 104 108 117 132 134 138 143 144 151 156 176 184 198 201 207 208 216 234 253 264 268 276 286 288 297 299 302 312 351 352 368 396 402 414 416 429 432 453 468 506 528 536 552 572 594 598 603 604 621 624 702 736 737 759 792 804 828 858 864 871 897 906 936 1012 1056 1072 1104 1144 1188 1196 1206 1208 1242 1248 1287 1359 1404 1474 1518 1541 1584 1608 1656 1661 1716 1742 1794 1809 1812 1872 1963 2024 2144 2208 2211 2277 2288 2376 2392 2412 2416 2484 2574 2613 2691 2718 2808 2948 3036 3082 3168 3216 3289 3312 3322 3432 3473 3484 3588 3618 3624 3744 3861 3926 4048 4077 4422 4554 4576 4623 4752 4784 4824 4832 4968 4983 5148 5226 5382 5436 5616 5889 5896 6072 6164 6432 6578 6624 6633 6644 6831 6864 6946 6968 7176 7236 7248 7722 7839 7852 8073 8096 8154 8844 9108 9246 9504 9568 9581 9648 9867 9936 9966 10117 10296 10419 10452 10764 10872 11232 11778 11792 12144 12328 13156 13266 13288 13662 13728 13869 13892 13936 14352 14472 14496 14949 15444 15678 15704 16146 16308 16951 17667 17688 18216 18492 19162 19296 19734 19872 19899 19932 20033 20234 20592 20838 20904 21528 21593 21744 23517 23556 23584 24288 24656 26312 26532 26576 27324 27738 27784 27872 28704 28743 28944 29601 29898 30351 30888 31257 31356 31408 32292 32616 33902 35334 35376 36432 36984 38203 38324 39468 39798 39864 40066 40468 41184 41607 41676 41808 43056 43186 43488 44847 45149 47034 47112 49312 50853 52624 53001 53064 53152 54648 55476 55568 57486 57888 59202 59796 60099 60702 61776 62514 62712 62816 64584 64779 65232 67804 70668 70752 72864 73968 76406 76648 78936 79596 79728 80132 80936 83214 83352 83616 86112 86229 86372 88803 89694 90298 91053 93771 94068 94224 101706 105248 106002 106128 109296 110952 111136 111287 114609 114972 118404 119592 120198 121404 123552 125028 125424 129168 129558 130464 131521 135447 135608 141336 147936 152559 152812 153296 157872 159192 159456 160264 161872 166428 166704 172458 172744 177606 179388 180297 180596 182106 187542 188136 188448 194337 203412 212004 212256 218592 220363 221904 222574 229218 229944 232691 236808 239184 240396 242808 250056 250848 258336 258687 259116 263042 270894 271216 273159 282672 305118 305624 306592 315744 318384 320528 323744 332856 333408 333861 343827 344916 345488 355212 358776 360594 361192 364212 375084 376272 388674 394563 406341 406824 424008 440726 443808 445148 457677 458436 459888 465382 473616 478368 480792 485616 496639 500112 517374 518232 526084 540891 541788 542432 546318 565344 583011 610236 611248 636768 641056 661089 665712 667722 687654 689832 690976 698073 710424 717552 721188 722384 728424 750168 752544 777348 789126 812682 813648 848016 881452 890296 915354 916872 919776 930764 947232 961584 971232 993278 1000224 1001583 1031481 1034748 1036464 1052168 1081782 1083576 1092636 1166022 1183689 1219023 1220472 1222496 1322178 1331424 1335444 1375308 1379664 1396146 1420848 1435104 1442376 1444768 1446731 1456848 1489917 1500336 1554696 1578252 1625364 1627296 1696032 1762904 1780592 1830708 1833744 1861528 1923168 1983267 1986556 2003166 2062962 2069496 2072928 2094219 2104336 2163564 2167152 2185272 2332044 2367378 2438046 2440944 2559601 2644356 2670888 2750616 2759328 2792292 2841696 2884752 2893462 2913696 2979834 3000672 3004749 3024983 3109392 3156504 3250728 3525808 3551067 3561184 3661416 3667488 3723056 3966534 3973112 4006332 4125924 4138992 4188438 4208672 4327128 4334304 4340193 4370544 4469751 4664088 4734756 4876092 4881888 5119202 5288712 5341776 5501232 5584584 5769504 5786924 5949801 5959668 6009498 6049966 6218784 6282657 6313008 6501456 7051616 7102134 7322832 7446112 7678803 7933068 7946224 8012664 8251848 8277984 8376876 8654256 8680386 8741088 8939502 9074949 9328176 9469512 9752184 10238404 10577424 10683552 11002464 11169168 11573848 11899602 11919336 12018996 12099932 12565314 12626016 13002912 13020579 13409253 14204268 14645664 15357606 15866136 15892448 16025328 16503696 16753752 17308512 17360772 17879004 18149898 18656352 18939024 19504368 20476808 21154848 22338336 23036409 23147696 23799204 23838672 24037992 24199864 25130628 26041158 26818506 27224847 28408536 30715212 31732272 32050656 33007392 33274813 33507504 34721544 35758008 36299796 37878048 39008736 39061737 40953616 46072818 46295392 47598408 47677344 48075984 48399728 50261256 52082316 53637012 54449694 56817072 61430424 63464544 66549626 67015008 69109227 69443088 71516016 72599592 78123474 81674541 81907232 92145636 95196816 96151968 96799456 99824439 100522512 104164632 107274024 108899388 113634144 122860848 133099252 138218454 138886176 143032032 145199184 156246948 163349082 184291272 190393632 199648878 201045024 208329264 214548048 217798776 245721696 266198504 276436908 290398368 299473317 312493896 326698164 368582544 399297756 416658528 429096096 435597552 532397008 552873816 598946634 624987792 653396328 737165088 798595512 871195104 898419951 1064794016 1105747632 1197893268 1249975584 1306792656 1597191024 1796839902 2211495264 2395786536 2613585312 3194382048 3593679804 4791573072 7187359608 9583146144 14374719216 28749438432
• Sum of all divisors σ(n): 105020375040
• Sum of proper divisors (its aliquot sum) s(n): 76270936608
• 28749438432 is an abundant number, because the sum of its proper divisors (76270936608) is greater than itself. Its abundance is 47521498176

Bases of 28749438432

• Binary: 11010110001100110011001110111100000₂
• Hexadecimal: 0x6B1999DE0
• Base-36: D7GO8O0

Squares and roots of 28749438432

• 28749438432 squared (28749438432²) is 826530210155358618624
• 28749438432 cubed (28749438432³) is 23762279389049503761011256557568
• The square root of 28749438432 is 169556.5935963565
• The cube root of 28749438432 is 3063.4428914821

Scales and comparisons

• 28,749,438,432 seconds is equal to 914 years, 7 weeks, 3 days, 3 hours, 7 minutes, 12 seconds.
• To count from 1 to 28,749,438,432 would take you about one thousand, eight hundred twenty-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 28749438432 cubic inches would be around 255.3 feet tall.

Recreational maths with 28749438432

• 28749438432 backwards is 23483494782
• 28749438432 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28749438432's digits is 54
• More coming soon!