72121100220

Names of 72121100220

• Cardinal: 72121100220 can be written as Seventy-two billion, one hundred twenty-one million, one hundred thousand, two hundred twenty.

Scientific notation

• Scientific notation: 7.212110022 × 10¹⁰

Factors of 72121100220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1930

Divisors of 72121100220

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 19 20 26 27 30 34 36 38 39 45 51 52 54 57 60 65 68 76 78 85 90 95 102 108 114 117 130 135 153 156 170 171 180 190 195 204 221 228 234 247 255 260 270 285 289 306 323 340 342 351 380 390 442 459 468 494 510 513 540 570 578 585 612 646 663 684 702 741 765 780 855 867 884 918 969 988 1020 1026 1105 1140 1156 1170 1235 1292 1326 1404 1445 1482 1530 1615 1710 1734 1755 1836 1871 1938 1989 2052 2210 2223 2295 2340 2470 2565 2601 2652 2890 2907 2964 3060 3230 3315 3420 3468 3510 3705 3742 3757 3876 3978 4199 4335 4420 4446 4590 4845 4940 5130 5202 5491 5613 5780 5814 5967 6460 6630 6669 7020 7410 7484 7514 7803 7956 8398 8670 8721 8892 9180 9355 9690 9945 10260 10404 10982 11115 11226 11271 11628 11934 12597 13005 13260 13338 14535 14820 15028 15606 16473 16796 16839 17340 17442 18710 18785 19380 19890 20995 21964 22230 22452 22542 23868 24323 25194 26010 26676 27455 28065 29070 29835 31212 31807 32946 33345 33678 33813 34884 35549 37420 37570 37791 39015 39780 41990 43605 44460 45084 48646 49419 50388 50517 52020 54910 56130 56355 58140 59670 62985 63614 65892 66690 67356 67626 71098 71383 72969 75140 75582 78030 82365 83980 84195 87210 95421 97292 98838 101034 101439 106647 109820 112260 112710 113373 119340 121615 125970 127228 133380 135252 142196 142766 145938 148257 151164 156060 159035 164730 168390 169065 174420 177745 188955 190842 197676 202068 202878 213294 214149 218907 225420 226746 243230 247095 251940 252585 285532 286263 291876 296514 318070 319941 329460 336780 338130 355490 356915 364845 377910 381684 405756 413491 426588 428298 437814 453492 462137 477105 486460 494190 505170 507195 533235 540719 566865 572526 593028 604333 636140 639882 642447 656721 676260 710980 713830 729690 741285 755820 826982 856596 858789 875628 924274 954210 959823 988380 1010340 1014390 1066470 1070745 1081438 1094535 1133730 1145052 1208666 1240473 1279764 1284894 1313442 1386411 1427660 1431315 1459380 1482570 1599705 1622157 1653964 1717578 1812999 1848548 1908420 1919646 1927341 2028780 2067455 2132940 2141490 2162876 2189070 2267460 2310685 2417332 2480946 2569788 2626884 2703595 2772822 2862630 2965140 3021665 3199410 3212235 3244314 3283605 3435156 3625998 3721419 3839292 3854682 4134910 4159233 4282980 4293945 4378140 4621370 4799115 4866471 4961892 5407190 5438997 5545644 5725260 6043330 6202365 6398820 6424470 6488628 6567210 6932055 7029347 7251996 7442838 7709364 7856329 8110785 8269820 8318466 8587890 9064995 9242740 9598230 9636705 9732942 10273661 10814380 10877994 11164257 12086660 12404730 12477699 12848940 13134420 13864110 14058694 14599413 14885676 15712658 16221570 16316991 16636932 17175780 18129990 18607095 19196460 19273410 19465884 20547322 20796165 21088041 21755988 22328514 23568987 24332355 24809460 24955398 27194985 27728220 28117388 29198826 30820983 31425316 32443140 32633982 35146735 36259980 37214190 38546820 39281645 41094644 41592330 42176082 44657028 47137974 48664710 49910796 51368305 54389970 55821285 58397652 61641966 62388495 63264123 65267964 70293470 70706961 72997065 74428380 78563290 81584955 83184660 84352164 92462949 94275948 97329420 102736610 105440205 108779940 111642570 117844935 123283932 124776990 126528246 133557593 140586940 141413922 145994130 154104915 157126580 163169910 184925898 189792369 205473220 210880410 212120883 223285140 235689870 249553980 253056492 267115186 277388847 282827844 291988260 308209830 316320615 326339820 353534805 369851796 379584738 400672779 421760820 424241766 462314745 471379740 534230372 554777694 616419660 632641230 667787965 707069610 759169476 801345558 848483532 924629490 948961845 1060604415 1109555388 1202018337 1265282460 1335575930 1386944235 1414139220 1602691116 1849258980 1897923690 2003363895 2121208830 2404036674 2671151860 2773888470 3606055011 3795847380 4006727790 4242417660 4808073348 5547776940 6010091685 7212110022 8013455580 12020183370 14424220044 18030275055 24040366740 36060550110 72121100220
• Sum of all divisors σ(n): 270340761600
• Sum of proper divisors (its aliquot sum) s(n): 198219661380
• 72121100220 is an abundant number, because the sum of its proper divisors (198219661380) is greater than itself. Its abundance is 126098561160

Bases of 72121100220

• Binary: 1000011001010110000001010011110111100₂
• Hexadecimal: 0x10CAC0A7BC
• Base-36: X4R1H30

Squares and roots of 72121100220

• 72121100220 squared (72121100220²) is 5201453096943284048400
• 72121100220 cubed (72121100220³) is 375134520094275964510583730648000
• The square root of 72121100220 is 268553.7194305825
• The cube root of 72121100220 is 4162.4987341933

Scales and comparisons

• 72,121,100,220 seconds is equal to 2,293 years, 11 weeks, 5 days, 22 hours, 57 minutes.
• To count from 1 to 72,121,100,220 would take you about four thousand, five hundred eighty-six 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 72121100220 cubic inches would be around 346.9 feet tall.

Recreational maths with 72121100220

• 72121100220 backwards is 02200112127
• 72121100220 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72121100220's digits is 18
• More coming soon!