128045620722742320

Names of 128045620722742320

• Cardinal: 128045620722742320 can be written as One hundred twenty-eight quadrillion, forty-five trillion, six hundred twenty billion, seven hundred twenty-two million, seven hundred forty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.2804562072274232 × 10¹⁷

Factors of 128045620722742320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5269014

Divisors of 128045620722742320

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 195 208 240 260 312 390 520 624 780 991 1040 1560 1982 2973 3120 3964 4955 5946 7873 7928 9910 11892 12883 14865 15746 15856 19820 23619 23784 25766 29730 31492 38649 39365 39640 47238 47568 51532 59460 62984 64415 77298 78730 79280 94476 102349 103064 118095 118920 125968 128830 154596 157460 188952 193245 204698 206128 236190 237840 257660 307047 309192 314920 377904 386490 409396 472380 511745 515320 614094 618384 629840 772980 818792 944760 1023490 1030640 1228188 1535235 1545960 1637584 1889520 2046980 2456376 3070470 3091920 4093960 4912752 5260127 6140940 7802143 8187920 10520254 12281880 15604286 15780381 21040508 23406429 24563760 26300635 31208572 31560762 39010715 42081016 46812858 52601270 62417144 63121524 68381651 78021430 78901905 84162032 93625716 101427859 105202540 117032145 124834288 126243048 136763302 156042860 157803810 187251432 202855718 205144953 210405080 234064290 252486096 273526604 304283577 312085720 315607620 341908255 374502864 405711436 410289906 420810160 468128580 507139295 547053208 608567154 624171440 631215240 683816510 811422872 820579812 936257160 1014278590 1025724765 1094106416 1217134308 1262430480 1367633020 1521417885 1622845744 1641159624 1872514320 2028557180 2051449530 2434268616 2735266040 3042835770 3282319248 4057114360 4102899060 4868537232 5212785857 5470532080 6085671540 8114228720 8205798120 10425571714 12171343080 15638357571 16411596240 20851143428 24342686160 26063929285 31276715142 41412979871 41702286856 52127858570 62553430284 67766216141 78191787855 82825959742 83404573712 104255717140 124238939613 125106860568 135532432282 156383575710 165651919484 203298648423 207064899355 208511434280 248477879226 250213721136 271064864564 312767151420 331303838968 338831080705 406597296846 414129798710 417022868560 496955758452 538368738323 542129729128 621194698065 625534302840 662607677936 677662161410 813194593692 828259597420 993911516904 1016493242115 1076737476646 1084259458256 1242389396130 1251068605680 1355324322820 1615106214969 1626389187384 1656519194840 1987823033808 2032986484230 2153474953292 2484778792260 2691843691615 2710648645640 3230212429938 3252778374768 3313038389680 4065972968460 4306949906584 4969557584520 5383687383230 5421297291280 6460424859876 8075531074845 8131945936920 8613899813168 9939115169040 10767374766460 12920849719752 16151062149690 16263891873840 21534749532920 25841699439504 32302124299380 41040263052161 43069499065840 64604248598760 82080526104322 123120789156483 129208497197520 164161052208644 205201315260805 246241578312966 328322104417288 410402630521610 492483156625932 533523419678093 615603945782415 656644208834576 820805261043220 984966313251864 1067046839356186 1231207891564830 1600570259034279 1641610522086440 1969932626503728 2134093678712372 2462415783129660 2667617098390465 3201140518068558 3283221044172880 4268187357424744 4924831566259320 5335234196780930 6402281036137116 8002851295171395 8536374714849488 9849663132518640 10670468393561860 12804562072274232 16005702590342790 21340936787123720 25609124144548464 32011405180685580 42681873574247440 64022810361371160 128045620722742320
• Sum of all divisors σ(n): 427961170076073984
• Sum of proper divisors (its aliquot sum) s(n): 299915549353331664
• 128045620722742320 is an abundant number, because the sum of its proper divisors (299915549353331664) is greater than itself. Its abundance is 171869928630589344

Bases of 128045620722742320

• Binary: 111000110111010001101000001001010001110010011010000110000₂
• Hexadecimal: 0x1C6E8D04A393430
• Base-36: Z0SDU3ED4XC

Squares and roots of 128045620722742320

• 128045620722742320 squared (128045620722742320²) is 16395680986272377451633261118982400
• 128045620722742320 cubed (128045620722742320³) is 2099395149059310573666787163911106107387135815168000
• The square root of 128045620722742320 is 357834627.6183208069
• The cube root of 128045620722742320 is 504028.2862929195

Scales and comparisons

• 128,045,620,722,742,320 seconds is equal to 4,071,454,667 years, 45 weeks, 2 days, 19 hours, 32 minutes.
• To count from 1 to 128,045,620,722,742,320 would take you about twelve billion, two hundred fourteen million, three hundred sixty-four thousand and three 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 128045620722742320 cubic inches would be around 42002.4 feet tall.

Recreational maths with 128045620722742320

• 128045620722742320 backwards is 023247227026540821
• The number of decimal digits it has is: 18
• The sum of 128045620722742320's digits is 57
• More coming soon!