198998235520

Names of 198998235520

• Cardinal: 198998235520 can be written as One hundred ninety-eight billion, nine hundred ninety-eight million, two hundred thirty-five thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.9899823552 × 10¹¹

Factors of 198998235520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 12103

Divisors of 198998235520

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 31 32 34 35 40 49 56 62 64 68 70 80 85 98 112 119 124 128 136 140 155 160 170 196 217 224 238 245 248 272 280 310 320 340 392 434 448 476 490 496 527 544 560 595 620 640 680 784 833 868 896 952 980 992 1054 1085 1088 1120 1190 1240 1360 1519 1568 1666 1736 1904 1960 1984 2108 2170 2176 2240 2380 2480 2635 2720 3038 3136 3332 3472 3689 3808 3920 3968 4165 4216 4340 4480 4760 4960 5270 5440 6076 6272 6664 6944 7378 7595 7616 7840 8330 8432 8680 9520 9920 10540 10880 12041 12152 13328 13888 14756 15190 15232 15680 16660 16864 17360 18445 19040 19840 21080 24082 24304 25823 26656 27776 29512 30380 31360 33320 33728 34720 36890 38080 42160 48164 48608 51646 53312 59024 60205 60760 66640 67456 69440 73780 76160 84287 84320 96328 97216 103292 106624 118048 120410 121520 129115 133280 138880 147560 168574 168640 192656 194432 204697 206584 236096 240820 243040 258230 266560 295120 337148 337280 373271 385312 409394 413168 421435 472192 481640 486080 516460 533120 590009 590240 674296 746542 770624 818788 826336 842870 963280 972160 1023485 1032920 1180018 1180480 1348592 1432879 1493084 1541248 1637576 1652672 1685740 1866355 1926560 2046970 2065840 2360036 2360960 2612897 2697184 2865758 2950045 2986168 3275152 3305344 3371480 3732710 3853120 4093940 4131680 4720072 5225794 5394368 5731516 5900090 5972336 6345607 6550304 6742960 7164395 7465420 7706240 8187880 8263360 9440144 10030153 10451588 10788736 11463032 11800180 11944672 12691214 13064485 13100608 13485920 14328790 14930840 16375760 16526720 18290279 18880288 20060306 20903176 22926064 23600360 23889344 25382428 26128970 26201216 26971840 28657580 29861680 31728035 32751520 36580558 37760576 40120612 41806352 44419249 45852128 47200720 47778688 50150765 50764856 52257940 53943680 57315160 59723360 63456070 65503040 73161116 75521152 80241224 83612704 88838498 91451395 91704256 94401440 100301530 101529712 104515880 114630320 119446720 126912140 131006080 146322232 160482448 167225408 177676996 182902790 183408512 188802880 200603060 203059424 209031760 222096245 229260640 238893440 253824280 292644464 310934743 320964896 334450816 355353992 365805580 377605760 401206120 406118848 418063520 444192490 458521280 507648560 585288928 621869486 641929792 710707984 731611160 802412240 812237696 836127040 888384980 917042560 1015297120 1170577856 1243738972 1283859584 1421415968 1463222320 1554673715 1604824480 1672254080 1776769960 2030594240 2341155712 2487477944 2842831936 2926444640 3109347430 3209648960 3553539920 4061188480 4974955888 5685663872 5852889280 6218694860 6419297920 7107079840 9949911776 11705778560 12437389720 14214159680 19899823552 24874779440 28428319360 39799647104 49749558880 99499117760 198998235520
• Sum of all divisors σ(n): 604905304320
• Sum of proper divisors (its aliquot sum) s(n): 405907068800
• 198998235520 is an abundant number, because the sum of its proper divisors (405907068800) is greater than itself. Its abundance is 206908833280

Bases of 198998235520

• Binary: 10111001010101001110000001100110000000₂
• Hexadecimal: 0x2E55381980
• Base-36: 2JF2ET8G

Squares and roots of 198998235520

• 198998235520 squared (198998235520²) is 39600297740073389670400
• 198998235520 cubed (198998235520³) is 7880389376341248139714994372608000
• The square root of 198998235520 is 446092.1827604693
• The cube root of 198998235520 is 5838.2552052939

Scales and comparisons

• 198,998,235,520 seconds is equal to 6,327 years, 27 weeks, 3 days, 7 hours, 38 minutes, 40 seconds.
• To count from 1 to 198,998,235,520 would take you about twelve thousand, six hundred fifty-five 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 198998235520 cubic inches would be around 486.5 feet tall.

Recreational maths with 198998235520

• 198998235520 backwards is 025532899891
• The number of decimal digits it has is: 12
• The sum of 198998235520's digits is 61
• More coming soon!