221815017970

Names of 221815017970

• Cardinal: 221815017970 can be written as Two hundred twenty-one billion, eight hundred fifteen million, seventeen thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 2.2181501797 × 10¹¹

Factors of 221815017970

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 290

Divisors of 221815017970

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 5 7 10 13 14 19 26 35 38 43 61 65 67 70 73 86 91 95 122 130 133 134 146 182 190 215 247 266 301 305 335 365 427 430 455 469 494 511 559 602 610 665 670 730 793 817 854 871 910 938 949 1022 1118 1159 1235 1273 1330 1387 1505 1586 1634 1729 1742 1898 2135 2318 2345 2470 2546 2555 2623 2774 2795 2881 3010 3139 3458 3913 3965 4085 4087 4270 4355 4453 4690 4745 4891 5110 5246 5551 5590 5719 5762 5795 6097 6278 6365 6643 6935 7826 7930 8113 8170 8174 8645 8710 8906 8911 9490 9709 9782 10621 11102 11438 11590 12194 12730 13115 13286 13870 14405 15067 15695 16226 16549 17290 17822 18031 18361 19418 19565 20167 20435 21242 21973 22265 24455 26230 27755 28595 28609 28810 30134 30485 31171 31390 33098 33215 34099 34237 36062 36722 37453 39130 40334 40565 40807 40870 43946 44530 44555 48545 48910 49837 53105 53131 54739 55510 57190 57218 57889 59641 60970 62342 63583 66430 68198 68474 74347 74906 75335 77653 81130 81614 82745 84607 89110 90155 91805 92929 97090 99674 100835 105469 106210 106262 109478 109865 115778 115843 119282 126217 127166 143045 148694 150670 155306 155855 165490 169214 170495 171185 175741 180310 183610 185858 187265 191479 201670 204035 210313 210938 219730 231686 238693 249185 252434 262171 265655 273695 285649 286090 289445 298205 298351 311710 317915 340990 342370 348859 351482 371735 371917 374530 382958 383173 388265 405223 408070 417487 420626 423035 445081 464645 477386 498370 524342 527345 531310 543571 547390 571298 578890 579215 592249 596410 596702 631085 635830 647881 650503 697718 711607 743470 743834 766346 775333 776530 810446 834974 846070 878705 890162 929290 957395 1009489 1051565 1054690 1087142 1099891 1158430 1184498 1193465 1208077 1230187 1262170 1295762 1301006 1310855 1340353 1423214 1428245 1472191 1491755 1550666 1744295 1757410 1859585 1914790 1915865 2018978 2026115 2087435 2088457 2103130 2199782 2225405 2284633 2386930 2416154 2460374 2489227 2621710 2680706 2717855 2734069 2856490 2944382 2961245 2983510 3239405 3252515 3339079 3488590 3558035 3638101 3719170 3831730 3876665 3878563 3995947 4052230 4174870 4176914 4450810 4535167 4569266 4978454 4981249 5047445 5427331 5435710 5468138 5499455 5668669 5922490 6040385 6150935 6478810 6505030 6678158 6701765 7066423 7116070 7276202 7360955 7699237 7753330 7757126 7991894 8456539 9070334 9962498 10094890 10442285 10854662 10998910 11337338 11423165 12080770 12301870 12446135 12829093 13403530 13670345 14132846 14721910 15398474 15992431 16695395 16913078 17424589 18190505 19138483 19392815 19979735 20884570 22675835 22846330 23373553 24892270 24906245 25466707 25658186 27136655 27149941 27340690 27971629 28343345 31984862 33390790 34849178 35332115 36381010 38276966 38496185 38785630 39680683 39959470 42282695 43408027 45351670 46747106 47295313 49812490 50933414 51947311 54273310 54299882 55943258 56686690 64145465 70664230 73692697 76992370 79361366 79962155 84565390 86816054 87122945 89803651 94590626 95692415 103894622 116867765 127333535 128290930 135749705 139858145 147385394 159924310 166778209 174245890 179607302 191384830 198403415 217040135 233735530 236476565 243752767 254667070 259736555 271499410 279716290 303856189 331067191 333556418 363631177 368463485 396806830 434080270 449018255 472953130 487505534 515848879 519473110 607712378 662134382 727262354 736926970 833891045 898036510 1031697758 1167447463 1218763835 1519280945 1655335955 1667782090 1706269369 1818155885 2334894926 2437527670 2579244395 3038561890 3168785971 3310671910 3412538738 3636311770 5158488790 5837237315 6337571942 8531346845 11674474630 15843929855 17062693690 22181501797 31687859710 44363003594 110907508985 221815017970
• Sum of all divisors σ(n): 553484574720
• Sum of proper divisors (its aliquot sum) s(n): 331669556750
• 221815017970 is an abundant number, because the sum of its proper divisors (331669556750) is greater than itself. Its abundance is 109854538780

Bases of 221815017970

• Binary: 11001110100101001101001001000111110010₂
• Hexadecimal: 0x33A53491F2
• Base-36: 2TWEXN8Y

Squares and roots of 221815017970

• 221815017970 squared (221815017970²) is 49201902197031422920900
• 221815017970 cubed (221815017970³) is 10913720819992707555854103388573000
• The square root of 221815017970 is 470972.4174195343
• The cube root of 221815017970 is 6053.3666845115

Scales and comparisons

• 221,815,017,970 seconds is equal to 7,053 years, 1 week, 4 days, 10 hours, 46 minutes, 10 seconds.
• To count from 1 to 221,815,017,970 would take you about fourteen thousand, one 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 221815017970 cubic inches would be around 504.4 feet tall.

Recreational maths with 221815017970

• 221815017970 backwards is 079710518122
• 221815017970 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221815017970's digits is 43
• More coming soon!