1998238320

Names of 1998238320

• Cardinal: 1998238320 can be written as One billion, nine hundred ninety-eight million, two hundred thirty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.99823832 × 10⁹

Factors of 1998238320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 191

Divisors of 1998238320

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 41 45 48 52 60 65 72 78 80 82 90 104 117 120 123 127 130 144 156 164 180 195 205 208 234 240 246 254 260 312 328 360 369 381 390 410 468 492 508 520 533 585 615 624 635 656 720 738 762 780 820 936 984 1016 1040 1066 1143 1170 1230 1270 1476 1524 1560 1599 1640 1651 1681 1845 1872 1905 1968 2032 2132 2286 2340 2460 2540 2665 2952 3048 3120 3198 3280 3302 3362 3690 3810 4264 4572 4680 4797 4920 4953 5043 5080 5207 5330 5715 5904 6096 6396 6604 6724 7380 7620 7995 8255 8405 8528 9144 9360 9594 9840 9906 10086 10160 10414 10660 11430 12792 13208 13448 14760 14859 15129 15240 15621 15990 16510 16810 18288 19188 19812 20172 20828 21320 21853 22860 23985 24765 25215 25584 26035 26416 26896 29520 29718 30258 30480 31242 31980 33020 33620 38376 39624 40344 41656 42640 43706 45720 46863 47970 49530 50430 52070 59436 60516 62484 63960 65559 66040 67240 67691 74295 75645 76752 78105 79248 80688 83312 87412 91440 93726 95940 99060 100860 104140 109265 118872 121032 124968 127920 131118 132080 134480 135382 148590 151290 156210 174824 187452 191880 196677 198120 201720 203073 208280 213487 218530 234315 237744 242064 249936 262236 270764 297180 302580 312420 327795 338455 349648 374904 383760 393354 396240 403440 406146 416560 426974 437060 468630 524472 541528 594360 605160 609219 624840 640461 655590 676910 749808 786708 812292 853948 874120 937260 983385 1015365 1048944 1067435 1083056 1188720 1210320 1218438 1249680 1280922 1311180 1353820 1573416 1624584 1707896 1748240 1874520 1921383 1966770 2030730 2134870 2436876 2561844 2622360 2707640 2775331 3046095 3146832 3202305 3249168 3415792 3749040 3842766 3933540 4061460 4269740 4873752 5123688 5244720 5415280 5550662 6092190 6404610 7685532 7867080 8122920 8325993 8539480 9606915 9747504 10247376 11101324 12184380 12809220 13876655 15371064 15734160 16245840 16651986 17078960 19213830 22202648 24368760 24977979 25618440 27753310 30742128 33303972 38427660 41629965 44405296 48737520 49955958 51236880 55506620 66607944 76855320 83259930 99911916 111013240 124889895 133215888 153710640 166519860 199823832 222026480 249779790 333039720 399647664 499559580 666079440 999119160 1998238320
• Sum of all divisors σ(n): 7465855488
• Sum of proper divisors (its aliquot sum) s(n): 5467617168
• 1998238320 is an abundant number, because the sum of its proper divisors (5467617168) is greater than itself. Its abundance is 3469378848

Bases of 1998238320

• Binary: 1110111000110101011001001110000₂
• Hexadecimal: 0x771AB270
• Base-36: X1P6K0

Squares and roots of 1998238320

• 1998238320 squared (1998238320²) is 3992956383516422400
• 1998238320 cubed (1998238320³) is 7978878455631131588986368000
• The square root of 1998238320 is 44701.6590296155
• The cube root of 1998238320 is 1259.5510116063

Scales and comparisons

• 1,998,238,320 seconds is equal to 63 years, 27 weeks, 6 days, 18 hours, 12 minutes.
• To count from 1 to 1,998,238,320 would take you about one hundred twenty-seven 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 1998238320 cubic inches would be around 105 feet tall.

Recreational maths with 1998238320

• 1998238320 backwards is 0238328991
• 1998238320 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1998238320's digits is 45
• More coming soon!