28007959980

Names of 28007959980

• Cardinal: 28007959980 can be written as Twenty-eight billion, seven million, nine hundred fifty-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.800795998 × 10¹⁰

Factors of 28007959980

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 379

Divisors of 28007959980

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 13 14 15 20 21 22 26 28 30 31 33 35 39 42 44 49 52 55 60 62 65 66 70 77 78 84 91 93 98 105 110 124 130 132 140 143 147 154 155 156 165 182 186 195 196 210 217 220 231 245 260 273 286 294 307 308 310 330 341 343 364 372 385 390 403 420 429 434 455 462 465 490 539 546 572 588 614 620 637 651 660 682 686 715 735 770 780 806 858 868 910 921 924 930 980 1001 1023 1029 1078 1085 1092 1155 1209 1228 1274 1302 1364 1365 1372 1430 1470 1519 1535 1540 1612 1617 1705 1715 1716 1820 1842 1860 1911 2002 2015 2046 2058 2145 2149 2156 2170 2310 2387 2418 2548 2604 2695 2730 2821 2860 2940 3003 3038 3070 3185 3234 3255 3377 3410 3430 3684 3773 3822 3991 4004 4030 4092 4116 4290 4298 4340 4433 4459 4557 4605 4620 4774 4836 5005 5115 5145 5390 5460 5642 6006 6045 6076 6140 6370 6447 6468 6510 6754 6820 6860 7007 7161 7546 7595 7644 7982 8060 8085 8463 8580 8596 8866 8918 9114 9210 9517 9548 9555 10010 10131 10230 10290 10633 10745 10780 11284 11319 11935 11973 12012 12090 12740 12894 13020 13299 13377 13508 14014 14105 14322 15015 15043 15092 15190 15964 16170 16709 16885 16926 17732 17836 18228 18420 18865 19034 19110 19747 19955 20020 20262 20460 20580 21021 21266 21490 22165 22295 22638 22785 23639 23870 23946 24180 25788 26598 26754 27937 28028 28210 28551 28644 30030 30086 30380 31031 31899 32235 32340 33418 33770 33852 35035 35805 37730 38068 38220 39494 39910 40524 42042 42315 42532 42980 43901 44330 44590 45129 45276 45570 47278 47585 47740 47892 49049 50127 50655 53165 53196 53508 55874 56420 56595 57102 59241 59865 60060 60172 62062 63798 64470 66495 66619 66836 66885 67540 70070 70917 71610 75215 75460 78988 79820 83545 83811 84084 84630 87802 88660 89180 90258 91140 93093 94556 95170 98098 98735 100254 101310 104687 105105 105301 106330 111748 113190 114204 116963 118195 118482 119730 123721 124124 127596 128940 131703 132990 133238 133770 138229 139685 140140 141834 142755 143220 147147 150430 155155 159495 165473 167090 167622 169260 175604 180516 186186 190340 195559 196196 197470 199857 200508 202620 209374 210210 210602 212660 217217 219505 225645 226380 233926 236390 236964 239460 245245 247442 250635 263406 265980 266476 267540 276458 279370 283668 285510 294294 296205 300860 307307 310310 314061 315903 318990 330946 333095 334180 335244 350889 354585 371163 372372 391118 394940 399714 414687 418748 419055 420420 421204 434434 439010 451290 465465 466333 467852 472780 490490 494884 496419 501270 523435 526505 526812 552916 558740 571020 584815 586677 588588 592410 614614 618605 620620 628122 631806 637980 651651 658515 661892 666190 691145 701778 709170 732809 735735 742326 782236 799428 827365 829374 838110 866047 868868 878020 902580 921921 930930 932666 977795 980980 992838 999285 1002540 1046870 1053010 1086085 1158311 1169630 1173354 1184820 1229228 1237210 1256244 1263612 1303302 1317030 1332380 1360931 1368913 1382290 1398999 1403556 1418340 1465618 1471470 1484652 1520519 1536535 1570305 1579515 1654730 1658748 1676220 1732094 1754445 1843842 1855815 1861860 1865332 1955590 1985676 1998570 2073435 2093740 2106020 2151149 2172170 2198427 2316622 2331665 2339260 2346708 2474420 2482095 2598141 2606604 2634060 2721862 2737826 2764580 2797998 2931236 2933385 2942940 3041038 3073070 3140610 3159030 3258255 3264331 3309460 3464188 3474933 3508890 3664045 3687684 3711630 3911180 3997140 4082793 4106739 4146870 4302298 4330235 4344340 4396854 4561557 4609605 4633244 4663330 4964190 5129663 5196282 5443724 5475652 5595996 5791555 5866770 6062329 6082076 6146140 6281220 6318060 6453447 6516510 6528662 6804655 6844565 6949866 6994995 7017780 7328090 7423260 7602595 8165586 8213478 8293740 8604596 8660470 8793708 9123114 9219210 9326660 9526517 9792993 9928380 10259326 10392564 10755745 10992135 11583110 11733540 12124658 12906894 12990705 13033020 13057324 13609310 13689130 13899732 13989990 14656180 15058043 15205190 15388989 16321655 16331172 16426956 17320940 17374665 18186987 18246228 18438420 19053034 19585986 20413965 20518652 20533695 21511490 21984270 22807785 23166220 24249316 25648315 25813788 25981410 27218620 27378260 27979980 28579551 30116086 30311645 30410380 30777978 32267235 32643310 34749330 35907641 36373974 38106068 39171972 40827930 41067390 42436303 43022980 43968540 45174129 45615570 47632585 48964965 51296630 51962820 57159102 60232172 60623290 61555956 64534470 65286620 66685619 69498660 71815282 72747948 75290215 76944945 81655860 82134780 84872606 90348258 90934935 91231140 95265170 97929930 102593260 107722923 114318204 121246580 127308909 129068940 133371238 142897755 143630564 150580430 153889890 169745212 179538205 180696516 181869870 190530340 195859860 200056857 212181515 215445846 225870645 254617818 266742476 285795510 301160860 307779780 333428095 359076410 363739740 400113714 424363030 430891692 451741290 466799333 509235636 538614615 571591020 636544545 666856190 718152820 800227428 848726060 903482580 933598666 1000284285 1077229230 1273089090 1333712380 1400397999 1867197332 2000568570 2154458460 2333996665 2546178180 2800795998 4001137140 4667993330 5601591996 7001989995 9335986660 14003979990 28007959980
• Sum of all divisors σ(n): 111270297600
• Sum of proper divisors (its aliquot sum) s(n): 83262337620
• 28007959980 is an abundant number, because the sum of its proper divisors (83262337620) is greater than itself. Its abundance is 55254377640

Bases of 28007959980

• Binary: 11010000101011001111000110110101100₂
• Hexadecimal: 0x685678DAC
• Base-36: CV77S8C

Squares and roots of 28007959980

• 28007959980 squared (28007959980²) is 784445822241281600400
• 28007959980 cubed (28007959980³) is 21970727195812008967913551992000
• The square root of 28007959980 is 167355.7886061907
• The cube root of 28007959980 is 3036.8766968441

Scales and comparisons

• 28,007,959,980 seconds is equal to 890 years, 29 weeks, 3 days, 4 hours, 53 minutes.
• To count from 1 to 28,007,959,980 would take you about one thousand, seven hundred eighty-one 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 28007959980 cubic inches would be around 253.1 feet tall.

Recreational maths with 28007959980

• 28007959980 backwards is 08995970082
• The number of decimal digits it has is: 11
• The sum of 28007959980's digits is 57
• More coming soon!