7978213799220

Names of 7978213799220

• Cardinal: 7978213799220 can be written as Seven trillion, nine hundred seventy-eight billion, two hundred thirteen million, seven hundred ninety-nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 7.97821379922 × 10¹²

Factors of 7978213799220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2294

Divisors of 7978213799220

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 113 140 147 196 210 226 245 257 294 339 343 420 452 490 514 565 588 678 686 735 771 791 980 1028 1029 1130 1285 1356 1372 1470 1542 1582 1695 1715 1799 1907 2058 2260 2373 2401 2570 2940 3084 3164 3390 3430 3598 3814 3855 3955 4116 4746 4802 5140 5145 5397 5537 5721 6780 6860 7196 7203 7628 7710 7910 8995 9492 9535 9604 10290 10794 11074 11442 11865 12005 12593 13349 14406 15420 15820 16611 17990 19070 20580 21588 22148 22884 23730 24010 25186 26698 26985 27685 28605 28812 29041 33222 35980 36015 37779 38140 38759 40047 47460 48020 50372 53396 53970 55370 57210 58082 62965 66444 66745 72030 75558 77518 80094 83055 87123 88151 93443 107940 110740 114420 116164 116277 125930 133490 144060 145205 151116 155036 160188 166110 174246 176302 186886 188895 193795 200235 203287 215491 232554 251860 264453 266980 271313 280329 290410 332220 348492 352604 373772 377790 387590 400470 406574 430982 435615 440755 465108 467215 490099 528906 542626 560658 580820 581385 609861 617057 646473 654101 755580 775180 800940 813148 813939 861964 871230 881510 934430 980198 1016435 1057812 1077455 1085252 1121316 1162770 1219722 1234114 1292946 1308202 1322265 1356565 1401645 1423009 1470297 1508437 1627878 1742460 1763020 1851171 1868860 1960396 1962303 2032870 2154910 2325540 2439444 2450495 2468228 2585892 2616404 2644530 2713130 2803290 2846018 2940594 3016874 3049305 3085285 3232365 3255756 3270505 3430693 3702342 3924606 4065740 4069695 4269027 4309820 4525311 4578707 4900990 5289060 5426260 5606580 5692036 5881188 6033748 6098610 6170570 6464730 6541010 6861386 7115045 7351485 7404684 7542185 7849212 8139390 8538054 9050622 9157414 9255855 9801980 9811515 9961063 10292079 10559059 12197220 12341140 12929460 13082020 13722772 13736121 14230090 14702970 15084370 16278780 17076108 17153465 18101244 18314828 18511710 19623030 19922126 20584158 21118118 21345135 22626555 22893535 24014851 27472242 28460180 29405940 29883189 30168740 31677177 34306930 37023420 39246060 39844252 41168316 42236236 42690270 45253110 45787070 48029702 49805315 51460395 52795295 54944484 55381187 59766378 63354354 68613860 68680605 69727441 72044553 73913413 85380540 90506220 91574140 96059404 99610630 102920790 105590590 110762374 119532756 120074255 126708708 137361210 139454882 144089106 147826826 149415945 158385885 166143561 168103957 199221260 205841580 209182323 211181180 221524748 221740239 240148510 274722420 276905935 278909764 288178212 295653652 298831890 316771770 332287122 336207914 348637205 360222765 369567065 387668309 418364646 443480478 480297020 504311871 517393891 553811870 597663780 633543540 664574244 672415828 697274410 720445530 739134130 775336618 830717805 836729292 840519785 886960956 1008623742 1034787782 1045911615 1107623740 1108701195 1163004927 1176727699 1394548820 1440891060 1478268260 1550673236 1552181673 1661435610 1681039570 1938341545 2017247484 2069575564 2091823230 2217402390 2326009854 2353455398 2521559355 2586969455 2713678163 3104363346 3322871220 3362079140 3530183097 3876683090 4183646460 4434804780 4652019708 4706910796 5043118710 5173938910 5427356326 5815024635 5883638495 6208726692 7060366194 7753366180 7760908365 8141034489 10086237420 10347877820 10854712652 11630049270 11767276990 13568390815 14120732388 15521816730 16282068978 17650915485 18995747141 23260098540 23534553980 27136781630 31043633460 32564137956 35301830970 37991494282 40705172445 54273563260 56987241423 70603661940 75982988564 81410344890 94978735705 113974482846 132970229987 162820689780 189957471410 227948965692 265940459974 284936207115 379914942820 398910689961 531880919948 569872414230 664851149935 797821379922 1139744828460 1329702299870 1595642759844 1994553449805 2659404599740 3989106899610 7978213799220
• Sum of all divisors σ(n): 26407380198528
• Sum of proper divisors (its aliquot sum) s(n): 18429166399308
• 7978213799220 is an abundant number, because the sum of its proper divisors (18429166399308) is greater than itself. Its abundance is 10450952600088

Bases of 7978213799220

• Binary: 1110100000110010010100110010111010100110100₂
• Hexadecimal: 0x74192997534
• Base-36: 2TT52I62C

Squares and roots of 7978213799220

• 7978213799220 squared (7978213799220²) is 63651895426064426472608400
• 7978213799220 cubed (7978213799220³) is 507828430434735608540519406227285448000
• The square root of 7978213799220 is 2824573.2065605947
• The cube root of 7978213799220 is 19981.8283271991

Scales and comparisons

• 7,978,213,799,220 seconds is equal to 253,682 years, 27 weeks, 11 hours, 47 minutes.
• To count from 1 to 7,978,213,799,220 would take you about six hundred thirty-four thousand, two hundred 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 7978213799220 cubic inches would be around 1665.2 feet tall.

Recreational maths with 7978213799220

• 7978213799220 backwards is 0229973128797
• The number of decimal digits it has is: 13
• The sum of 7978213799220's digits is 66
• More coming soon!