30128784840

Names of 30128784840

• Cardinal: 30128784840 can be written as Thirty billion, one hundred twenty-eight million, seven hundred eighty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.012878484 × 10¹⁰

Factors of 30128784840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 810

Divisors of 30128784840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 27 28 30 33 35 36 40 42 44 45 49 54 55 56 60 63 66 70 72 73 77 84 88 90 98 99 105 108 110 120 126 132 135 140 146 147 154 165 168 180 189 196 198 210 216 219 220 231 245 252 264 270 280 292 294 297 308 315 330 360 365 378 385 392 396 420 438 440 441 462 490 495 504 511 539 540 584 588 594 616 630 657 660 693 709 730 735 756 770 792 803 840 876 882 924 945 980 990 1022 1078 1080 1095 1155 1176 1188 1260 1314 1320 1323 1386 1418 1460 1470 1485 1512 1533 1540 1606 1617 1752 1764 1848 1890 1960 1971 1980 2044 2079 2127 2156 2190 2205 2310 2376 2409 2520 2555 2628 2646 2695 2772 2836 2920 2940 2970 3066 3080 3212 3234 3285 3465 3528 3545 3577 3780 3942 3960 4015 4088 4158 4254 4312 4380 4410 4599 4620 4818 4851 4963 5110 5256 5292 5390 5544 5621 5672 5880 5940 6132 6381 6424 6468 6570 6615 6930 7090 7154 7227 7560 7665 7799 7884 8030 8085 8316 8508 8760 8820 9198 9240 9636 9702 9855 9926 10220 10395 10584 10635 10731 10780 11242 11880 12045 12264 12762 12936 13140 13230 13797 13860 14180 14308 14454 14553 14889 15330 15598 15768 16060 16170 16632 16863 17016 17640 17885 18396 19143 19272 19404 19710 19852 20440 20790 21270 21462 21560 21681 22484 22995 23397 24090 24255 24815 25524 26280 26460 27594 27720 28105 28360 28616 28908 29106 29778 30660 31196 31905 32120 32193 32340 33726 34741 35770 36135 36792 38286 38808 38995 39347 39420 39704 41580 42540 42924 43362 44667 44968 45990 46794 48180 48510 49630 50589 51048 51757 52920 53655 54593 55188 56210 57816 58212 59556 61320 62392 63810 64386 64680 67452 68985 69482 70191 71540 72270 72765 74445 76572 77990 78694 78840 83160 84315 85080 85848 86724 89334 91980 93588 95715 96360 96579 97020 99260 101178 103514 104223 107310 108405 109186 110376 112420 116424 116985 118041 119112 127620 128772 134001 134904 137970 138964 140382 143080 144540 145530 148890 151767 153144 155271 155980 157388 160965 163779 168630 173448 173705 178668 183960 187176 191430 193158 194040 196735 198520 202356 207028 208446 210573 214620 216810 218372 223335 224840 233970 236082 252945 255240 257544 258785 268002 272965 275940 277928 280764 289080 291060 297780 303534 310542 311960 312669 314776 321930 327558 337260 347410 350955 354123 357336 362299 382151 382860 386316 393470 404712 414056 416892 421146 429240 433620 436744 446670 465813 467940 472164 482895 491337 505890 517570 521115 536004 545930 551880 561528 569327 582120 590205 595560 607068 621084 625338 643860 655116 670005 674520 694820 701910 708246 724598 758835 764302 765720 772632 776355 786940 818895 833784 842292 867240 893340 931626 935880 938007 944328 965790 982674 1011780 1035140 1042230 1052865 1062369 1072008 1086897 1091860 1138654 1146453 1180410 1214136 1242168 1250676 1287720 1310232 1340010 1389640 1397439 1403820 1416492 1449196 1474011 1517670 1528604 1552710 1563345 1573880 1637790 1684584 1707981 1770615 1786680 1811495 1863252 1876014 1910755 1931580 1965348 2023560 2070280 2084460 2105730 2124738 2173794 2183720 2277308 2292906 2329065 2360820 2456685 2501352 2536093 2680020 2794878 2807640 2832984 2846635 2898392 2948022 3035340 3057208 3105420 3126690 3260691 3275580 3415962 3439359 3541230 3622990 3726504 3752028 3821510 3863160 3930696 3985289 4168920 4211460 4249476 4347588 4554616 4585812 4658130 4690035 4721640 4913370 5072186 5123943 5311845 5360040 5434485 5589756 5693270 5732265 5896044 6070680 6210840 6253380 6521382 6551160 6831924 6878718 6987195 7082460 7245980 7370055 7504056 7608279 7643020 7970578 8422920 8498952 8539905 8695176 9171624 9316260 9380070 9782073 9826740 10144372 10247886 10318077 10623690 10868970 11179512 11386540 11464530 11792088 11955867 12506760 12680465 13042764 13663848 13757436 13974390 14164920 14491960 14740110 15216558 15286040 15371829 15941156 16303455 17079810 17196795 18632520 18760140 19564146 19653480 19926445 20288744 20495772 20636154 21247380 21737940 22773080 22824837 22929060 23911734 25360930 25619715 26085528 27514872 27897023 27948780 29480220 30433116 30743658 31882312 32606910 34159620 34393590 35867601 37520280 38041395 39128292 39852890 40991544 41272308 42494760 43475880 45649674 45858120 47823468 48910365 50721860 51239430 51590385 55794046 55897560 58960440 59779335 60866232 61487316 65213820 68319240 68474511 68787180 71735202 76082790 76859145 78256584 79705780 82544616 83691069 91299348 95646936 97820730 101443720 102478860 103180770 107602803 111588092 114124185 119558670 122974632 130427640 136949022 137574360 139485115 143470404 152165580 153718290 159411560 167382138 179338005 182598696 195641460 204957720 206361540 215205606 223176184 228248370 239117340 251073207 273898044 278970230 286940808 304331160 307436580 334764276 342372555 358676010 391282920 412723080 418455345 430411212 456496740 478234680 502146414 538014015 547796088 557940460 614873160 669528552 684745110 717352020 753219621 836910690 860822424 912993480 1004292828 1076028030 1115880920 1255366035 1369490220 1434704040 1506439242 1673821380 2008585656 2152056060 2510732070 2738980440 3012878484 3347642760 3766098105 4304112120 5021464140 6025756968 7532196210 10042928280 15064392420 30128784840
• Sum of all divisors σ(n): 129374496000
• Sum of proper divisors (its aliquot sum) s(n): 99245711160
• 30128784840 is an abundant number, because the sum of its proper divisors (99245711160) is greater than itself. Its abundance is 69116926320

Bases of 30128784840

• Binary: 11100000011110100001100010111001000₂
• Hexadecimal: 0x703D0C5C8
• Base-36: DU9WF60

Squares and roots of 30128784840

• 30128784840 squared (30128784840²) is 907743675935013825600
• 30128784840 cubed (30128784840³) is 27349213902116717373927683904000
• The square root of 30128784840 is 173576.4524352311
• The cube root of 30128784840 is 3111.6724302925

Scales and comparisons

• 30,128,784,840 seconds is equal to 958 years, 18 hours, 54 minutes.
• To count from 1 to 30,128,784,840 would take you about one thousand, nine hundred sixteen 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 30128784840 cubic inches would be around 259.3 feet tall.

Recreational maths with 30128784840

• 30128784840 backwards is 04848782103
• 30128784840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30128784840's digits is 45
• More coming soon!