28070389620

Names of 28070389620

• Cardinal: 28070389620 can be written as Twenty-eight billion, seventy million, three hundred eighty-nine thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.807038962 × 10¹⁰

Factors of 28070389620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 278

Divisors of 28070389620

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 81 84 90 91 97 105 108 117 126 130 135 140 151 156 162 169 180 182 189 194 195 210 234 252 260 270 273 291 302 315 324 338 351 364 378 388 390 405 420 453 455 468 485 507 540 546 567 582 585 604 630 676 679 702 755 756 780 810 819 845 873 906 910 945 970 1014 1053 1057 1092 1134 1164 1170 1183 1260 1261 1358 1359 1365 1404 1455 1510 1521 1620 1638 1690 1746 1755 1812 1820 1890 1940 1963 2028 2037 2106 2114 2265 2268 2340 2366 2457 2522 2535 2619 2716 2718 2730 2835 2910 3020 3042 3171 3276 3380 3395 3492 3510 3549 3780 3783 3926 4074 4077 4095 4212 4228 4365 4530 4563 4732 4914 5044 5070 5238 5265 5285 5436 5460 5670 5820 5889 5915 6084 6111 6305 6342 6790 6795 7020 7098 7371 7566 7605 7852 7857 8148 8154 8190 8730 8827 9060 9126 9513 9815 9828 10140 10185 10476 10530 10570 10647 11340 11349 11778 11830 12222 12231 12285 12610 12684 13095 13580 13590 13689 13741 14196 14647 14742 15132 15210 15714 15855 16308 16380 16393 17460 17654 17667 17745 18252 18333 18915 19026 19630 20370 20385 21060 21140 21294 22698 22815 23556 23660 24444 24462 24570 25220 25519 26190 26481 27180 27378 27482 28539 29294 29445 29484 30420 30555 31428 31710 31941 32786 34047 35308 35334 35490 36666 36855 37830 38052 39260 39285 40740 40770 41223 42588 43941 44135 45396 45630 47565 48924 49140 49179 51038 52380 52962 53001 53235 54756 54964 54999 56745 57078 58588 58890 61110 61155 63420 63882 65572 68094 68445 68705 70668 70980 73235 73332 73710 75660 76557 78570 79443 81540 81965 82446 85617 87882 88270 88335 91260 91665 95130 95823 98358 102076 102141 102529 105924 106002 106470 109998 113490 114156 114751 117780 122220 122310 123669 127595 127764 131823 132405 136188 136890 137410 142695 146470 147420 147537 153114 157140 158886 159003 159705 163930 164892 170235 171234 175764 176540 176670 178633 183330 190260 190411 191646 196716 204282 205058 206115 212004 212940 219705 219996 226980 229502 229671 238329 244620 245895 247338 255190 263646 264810 265005 273780 274820 274995 285390 292940 295074 306228 307587 317772 318006 319410 327860 340470 342468 344253 353340 357266 366660 371007 380822 382785 383292 395469 397215 408564 410116 412230 428085 439410 442611 459004 459342 476658 479115 491790 494676 510380 510705 512645 527292 529620 530010 535899 549990 570780 571233 573755 590148 615174 618345 636012 638820 659115 680940 688506 689013 714532 714987 737685 742014 761644 765570 790938 794430 795015 824460 856170 878820 885222 893165 918684 922761 952055 953316 958230 983580 1021410 1025290 1032759 1060020 1071798 1099980 1113021 1142466 1147510 1148355 1186407 1191645 1230348 1236690 1318230 1327833 1332877 1377012 1378026 1429974 1475370 1484028 1531140 1537935 1581876 1588860 1590030 1607697 1712340 1713699 1721265 1770444 1786330 1845522 1855035 1904110 1916460 1977345 2042820 2050580 2065518 2067039 2143596 2213055 2226042 2284932 2295020 2296710 2372814 2383290 2473380 2475343 2636460 2655666 2665754 2679495 2756052 2768283 2856165 2859948 2950740 3075870 3098277 3180060 3215394 3427398 3442530 3445065 3572660 3574935 3691044 3710070 3808220 3954690 3998631 4131036 4134078 4426110 4452084 4593420 4613805 4745628 4766580 4823091 4950686 5141097 5163795 5311332 5331508 5358990 5536566 5565105 5712330 5932035 6151740 6196554 6430788 6639165 6664385 6854796 6885060 6890130 7149870 7420140 7426029 7909380 7997262 8038485 8268156 8304849 8568495 8852220 9227610 9294831 9646182 9901372 10282194 10327590 10335195 10717980 11073132 11130210 11424660 11864070 11995893 12376715 12393108 13278330 13328770 13780260 13841415 14299740 14469273 14852058 15423291 15491385 15994524 16076970 16609698 17136990 17327401 18455220 18589662 19292364 19993155 20564388 20655180 20670390 22260420 22278087 23728140 23991786 24115455 24753430 25705485 26556660 26657540 27682830 28938546 29704116 30846582 30982770 32153940 33219396 34273980 34654802 35987679 37130145 37179324 39986310 41340780 41524245 44556174 46474155 47983572 48230910 49506860 51410970 51982203 55365660 57877092 59979465 61693164 61965540 66834261 69309604 71975358 72346365 74260290 77116455 79972620 83048490 86637005 89112348 92948310 96461820 102821940 103964406 107963037 111390435 119958930 133668522 143950716 144692730 148520580 154232910 155946609 166096980 173274010 179938395 185896620 200502783 207928812 215926074 222780870 239917860 259911015 267337044 289385460 308465820 311893218 334171305 346548020 359876790 401005566 431852148 445561740 467839827 519822030 539815185 623786436 668342610 719753580 779733045 802011132 935679654 1002513915 1039644060 1079630370 1336685220 1403519481 1559466090 1871359308 2005027830 2159260740 2339199135 2807038962 3118932180 4010055660 4678398270 5614077924 7017597405 9356796540 14035194810 28070389620
• Sum of all divisors σ(n): 110826955008
• Sum of proper divisors (its aliquot sum) s(n): 82756565388
• 28070389620 is an abundant number, because the sum of its proper divisors (82756565388) is greater than itself. Its abundance is 54686175768

Bases of 28070389620

• Binary: 11010001001001000000010011101110100₂
• Hexadecimal: 0x689202774
• Base-36: CW8DV90

Squares and roots of 28070389620

• 28070389620 squared (28070389620²) is 787946773418603744400
• 28070389620 cubed (28070389620³) is 22117972929682066461698893128000
• The square root of 28070389620 is 167542.2025043243
• The cube root of 28070389620 is 3039.1314180883

Scales and comparisons

• 28,070,389,620 seconds is equal to 892 years, 28 weeks, 4 days, 18 hours, 27 minutes.
• To count from 1 to 28,070,389,620 would take you about one thousand, seven hundred eighty-five 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 28070389620 cubic inches would be around 253.3 feet tall.

Recreational maths with 28070389620

• 28070389620 backwards is 02698307082
• 28070389620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28070389620's digits is 45
• More coming soon!