12880128851258880

Names of 12880128851258880

• Cardinal: 12880128851258880 can be written as Twelve quadrillion, eight hundred eighty trillion, one hundred twenty-eight billion, eight hundred fifty-one million, two hundred fifty-eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.288012885125888 × 10¹⁶

Factors of 12880128851258880

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 119

Divisors of 12880128851258880

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 109 120 128 160 192 218 240 256 320 327 384 436 480 512 545 640 654 768 872 960 1090 1280 1308 1536 1635 1744 1920 2180 2560 2616 3270 3488 3840 4360 5232 6540 6976 7680 8720 10464 11881 13080 13952 17440 20928 23762 26160 27904 34880 35643 41856 47524 52320 55808 59405 69760 71286 83712 95048 104640 118810 139520 142572 167424 178215 190096 209280 237620 279040 285144 356430 380192 418560 475240 570288 712860 760384 837120 950480 1140576 1295029 1425720 1520768 1900960 2281152 2590058 2851440 3041536 3801920 3885087 4562304 5180116 5702880 6083072 6475145 7603840 7770174 9124608 10360232 11405760 12950290 15207680 15540348 18249216 19425435 20720464 22811520 25900580 30415360 31080696 38850870 41440928 45623040 51801160 62161392 77701740 82881856 91246080 103602320 124322784 141158161 155403480 165763712 207204640 248645568 282316322 310806960 331527424 414409280 423474483 497291136 564632644 621613920 663054848 705790805 828818560 846948966 994582272 1129265288 1243227840 1411581610 1657637120 1693897932 1989164544 2117372415 2258530576 2486455680 2823163220 3315274240 3387795864 4234744830 4517061152 4972911360 5646326440 6775591728 8469489660 9034122304 9945822720 11292652880 13551183456 15386239549 16938979320 18068244608 22585305760 27102366912 30772479098 33877958640 36136489216 45170611520 46158718647 54204733824 61544958196 67755917280 72272978432 76931197745 90341223040 92317437294 108409467648 123089916392 135511834560 153862395490 180682446080 184634874588 216818935296 230793593235 246179832784 271023669120 307724790980 361364892160 369269749176 461587186470 492359665568 542047338240 615449581960 738539498352 923174372940 984719331136 1084094676480 1230899163920 1477078996704 1677100110841 1846348745880 1969438662272 2461798327840 2954157993408 3354200221682 3692697491760 3938877324544 4923596655680 5031300332523 5908315986816 6708400443364 7385394983520 7877754649088 8385500554205 9847193311360 10062600665046 11816631973632 13416800886728 14770789967040 16771001108410 19694386622720 20125201330092 23633263947264 25156501662615 26833601773456 29541579934080 33542002216820 39388773245440 40250402660184 50313003325230 53667203546912 59083159868160 67084004433640 80500805320368 100626006650460 107334407093824 118166319736320 134168008867280 161001610640736 201252013300920 214668814187648 268336017734560 322003221281472 402504026601840 429337628375296 536672035469120 644006442562944 805008053203680 858675256750592 1073344070938240 1288012885125888 1610016106407360 2146688141876480 2576025770251776 3220032212814720 4293376283752960 6440064425629440 12880128851258880
• Sum of all divisors σ(n): 41557422679899192
• Sum of proper divisors (its aliquot sum) s(n): 28677293828640312
• 12880128851258880 is an abundant number, because the sum of its proper divisors (28677293828640312) is greater than itself. Its abundance is 15797164977381432

Bases of 12880128851258880

• Binary: 101101110000100110100010110000110101110010111000000000₂
• Hexadecimal: 0x2DC268B0D72E00
• Base-36: 3ITMHIAYTXC

Squares and roots of 12880128851258880

• 12880128851258880 squared (12880128851258880²) is 165897719225031395714960778854400
• 12880128851258880 cubed (12880128851258880³) is 2136783999748371842882040227778677214724227072000
• The square root of 12880128851258880 is 113490655.3477372427
• The cube root of 12880128851258880 is 234408.5252409625
• Being both a perfect square and a perfect cube, 12880128851258880 is also a perfect sixth number.

Scales and comparisons

• 12,880,128,851,258,880 seconds is equal to 409,548,256 years, 32 weeks, 2 hours, 8 minutes.
• To count from 1 to 12,880,128,851,258,880 would take you about one billion, two hundred twenty-eight million, six hundred forty-four thousand, seven hundred sixty-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 12880128851258880 cubic inches would be around 19534 feet tall.

Recreational maths with 12880128851258880

• 12880128851258880 backwards is 08885215882108821
• The number of decimal digits it has is: 17
• The sum of 12880128851258880's digits is 75
• More coming soon!