221612381640

Names of 221612381640

• Cardinal: 221612381640 can be written as Two hundred twenty-one billion, six hundred twelve million, three hundred eighty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.2161238164 × 10¹¹

Factors of 221612381640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 855

Divisors of 221612381640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 26 30 36 38 39 40 41 45 52 57 60 65 72 76 78 82 89 90 95 104 114 117 120 123 130 152 156 164 171 178 180 190 195 205 228 234 246 247 260 267 285 312 328 342 356 360 369 380 390 410 445 456 468 492 494 520 533 534 570 585 615 683 684 712 738 741 760 779 780 801 820 855 890 936 984 988 1066 1068 1140 1157 1170 1230 1235 1335 1366 1368 1476 1482 1558 1560 1599 1602 1640 1691 1710 1780 1845 1976 2049 2132 2136 2223 2280 2314 2337 2340 2460 2470 2665 2670 2732 2952 2964 3116 3198 3204 3382 3415 3420 3471 3560 3649 3690 3705 3895 4005 4098 4264 4446 4628 4674 4680 4797 4920 4940 5073 5330 5340 5464 5785 5928 6147 6232 6396 6408 6764 6830 6840 6942 7011 7298 7380 7410 7790 7995 8010 8196 8455 8879 8892 9256 9348 9594 9880 10127 10146 10245 10413 10660 10680 10947 11115 11570 11685 12294 12792 12977 13528 13660 13884 14022 14596 14760 14820 15219 15580 15990 16020 16392 16910 17355 17758 17784 18245 18696 19188 20254 20292 20490 20826 21320 21894 21983 22230 23140 23370 23985 24588 25365 25954 26637 27320 27768 28003 28044 29192 29640 30381 30438 30735 31160 31980 32040 32841 33820 34710 35055 35516 36490 38376 38931 40508 40584 40980 41652 43788 43966 44395 44460 46280 46740 47437 47970 49176 50635 50730 51908 52065 53274 54735 56006 56088 60762 60787 60876 61470 63960 64885 65682 65949 67640 69331 69420 70110 71032 72980 76095 77862 79911 81016 81960 83304 84009 87576 87932 88790 88920 91143 93480 94874 95940 101270 101460 103816 104130 106548 109470 109915 112012 116793 121524 121574 121752 122940 129770 131364 131898 133185 138662 138840 140015 140220 142311 145960 151905 152190 155724 159822 164205 168018 168701 175864 177580 182286 182361 189748 191880 194655 197847 202540 202920 207993 208260 213096 218940 219830 224024 233586 237185 243048 243148 245880 252027 259540 262728 263796 266370 277324 280030 280440 284622 303810 303935 304380 311448 319644 328410 329745 336036 337402 346655 355160 364039 364572 364722 379496 389310 395694 399555 405080 415986 416520 420045 426933 437880 439660 455715 467172 474370 486296 504054 506103 519080 527592 532057 532740 547083 554648 560060 569244 583965 607620 607870 608760 623979 639288 656820 659490 672072 674804 693310 711555 728078 729144 729444 778620 790231 791388 799110 831972 840090 843505 853866 879320 901303 911430 911805 934344 948740 989235 1008108 1012206 1039965 1064114 1065480 1092117 1094166 1120120 1138488 1154953 1167930 1215240 1215740 1247958 1260135 1313640 1318980 1349608 1386620 1423110 1456156 1458888 1518309 1557240 1580462 1582776 1596171 1598220 1663944 1680180 1687010 1707732 1802606 1820195 1822860 1823610 1897480 1978470 2016216 2024412 2079930 2128228 2134665 2184234 2188332 2309906 2335860 2370693 2431480 2492267 2495916 2520270 2530515 2637960 2660285 2703909 2735415 2773240 2846220 2912312 3036618 3119895 3160924 3192342 3196440 3276351 3360360 3374020 3415464 3464859 3605212 3640390 3645720 3647220 3951155 3956940 4048824 4159860 4256456 4269330 4368468 4376664 4506515 4619812 4671720 4741386 4788513 4984534 4991832 5040540 5061030 5320570 5407818 5460585 5470830 5692440 5774765 6073236 6239790 6321848 6384684 6552702 6748040 6916741 6929718 7112079 7210424 7280780 7294440 7476801 7591545 7902310 7913880 7980855 8111727 8319720 8538660 8736936 9013030 9239624 9482772 9577026 9969068 10081080 10122060 10394577 10641140 10815636 10921170 10941660 11549530 11853465 12146472 12461335 12479580 12769368 13105404 13519545 13833482 13859436 14224158 14561560 14953602 15014389 15183090 15804620 15961710 16223454 16381755 17077320 17324295 18026060 18965544 19154052 19938136 20244120 20750223 20789154 21282280 21631272 21842340 21883320 22430403 23099060 23706930 23942565 24922670 24959160 26210808 27039090 27666964 27718872 28448316 29907204 30028778 30366180 31609240 31923420 32399471 32446908 32763510 34583705 34648590 35560395 36052120 37384005 38308104 40558635 41500446 41578308 43684680 44860806 45043167 46198120 47353073 47413860 47885130 49845340 51972885 54078180 55333928 56896632 59814408 60057556 60732360 62250669 63846840 64798942 64893816 65527020 69167410 69297180 71120790 74768010 75071945 81117270 83000892 83156616 89721612 90086334 94706146 94827720 95770260 97198413 99690680 103751115 103945770 108156360 112152015 120115112 124501338 129597884 131054040 135129501 138334820 138594360 142059219 142241580 149536020 150143890 161997355 162234540 166001784 179443224 180172668 189412292 191540520 194396826 207502230 207891540 224304030 225215835 236765365 249002676 259195768 270259002 276669640 284118438 284483160 291595239 299072040 300287780 311253345 323994710 324469080 360345336 378824584 388793652 415004460 415783080 426177657 448608060 450431670 473530730 485992065 498005352 540518004 568236876 583190478 600575560 615589949 622506690 647989420 675647505 710296095 777587304 830008920 852355314 897216120 900863340 947061460 971984130 1081036008 1136473752 1166380956 1231179898 1245013380 1295978840 1351295010 1420592190 1457976195 1704710628 1801726680 1846769847 1894122920 1943968260 2130888285 2332761912 2462359796 2490026760 2702590020 2841184380 2915952390 3077949745 3409421256 3693539694 3887936520 4261776570 4924719592 5405180040 5540309541 5682368760 5831904780 6155899490 7387079388 8523553140 9233849235 11080619082 11663809560 12311798980 14774158776 17047106280 18467698470 22161238164 24623597960 27701547705 36935396940 44322476328 55403095410 73870793880 110806190820 221612381640
• Sum of all divisors σ(n): 847016352000
• Sum of proper divisors (its aliquot sum) s(n): 625403970360
• 221612381640 is an abundant number, because the sum of its proper divisors (625403970360) is greater than itself. Its abundance is 403791588720

Bases of 221612381640

• Binary: 11001110011001001000001001010111001000₂
• Hexadecimal: 0x33992095C8
• Base-36: 2TT2AG20

Squares and roots of 221612381640

• 221612381640 squared (221612381640²) is 49112047696153009089600
• 221612381640 cubed (221612381640³) is 10883837857161743410198824154944000
• The square root of 221612381640 is 470757.2427908041
• The cube root of 221612381640 is 6051.5227971517

Scales and comparisons

• 221,612,381,640 seconds is equal to 7,046 years, 30 weeks, 4 days, 2 hours, 54 minutes.
• To count from 1 to 221,612,381,640 would take you about fourteen thousand and ninety-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 221612381640 cubic inches would be around 504.3 feet tall.

Recreational maths with 221612381640

• 221612381640 backwards is 046183216122
• 221612381640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221612381640's digits is 36
• More coming soon!