2018089920

Names of 2018089920

• Cardinal: 2018089920 can be written as Two billion, eighteen million, eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.01808992 × 10⁹

Factors of 2018089920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1238

Divisors of 2018089920

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 23 24 28 30 32 33 35 40 42 44 46 48 55 56 60 64 66 69 70 77 80 84 88 92 96 105 110 112 115 120 132 138 140 154 160 161 165 168 176 184 192 210 220 224 230 231 240 253 264 276 280 308 320 322 330 336 345 352 368 385 420 440 448 460 462 480 483 506 528 552 560 616 644 660 672 690 704 736 759 770 805 840 880 920 924 960 966 1012 1056 1104 1120 1155 1187 1232 1265 1288 1320 1344 1380 1472 1518 1540 1610 1680 1760 1771 1840 1848 1932 2024 2112 2208 2240 2310 2374 2415 2464 2530 2576 2640 2760 3036 3080 3220 3360 3520 3542 3561 3680 3696 3795 3864 4048 4416 4620 4748 4830 4928 5060 5152 5280 5313 5520 5935 6072 6160 6440 6720 7084 7122 7360 7392 7590 7728 8096 8309 8855 9240 9496 9660 10120 10304 10560 10626 11040 11870 12144 12320 12880 13057 14168 14244 14784 15180 15456 16192 16618 17710 17805 18480 18992 19320 20240 21252 22080 23740 24288 24640 24927 25760 26114 26565 27301 28336 28488 30360 30912 33236 35420 35610 36960 37984 38640 39171 40480 41545 42504 47480 48576 49854 51520 52228 53130 54602 56672 56976 60720 65285 66472 70840 71220 73920 75968 77280 78342 80960 81903 83090 85008 91399 94960 99708 104456 106260 109204 113344 113952 121440 124635 130570 132944 136505 141680 142440 154560 156684 163806 166180 170016 182798 189920 191107 195855 199416 208912 212520 218408 227904 242880 249270 261140 265888 273010 274197 283360 284880 300311 313368 327612 332360 340032 365596 379840 382214 391710 398832 409515 417824 425040 436816 456995 498540 522280 531776 546020 548394 566720 569760 573321 600622 626736 655224 664720 731192 764428 783420 797664 819030 835648 850080 873632 900933 913990 955535 997080 1044560 1092040 1096788 1139520 1146642 1201244 1253472 1310448 1329440 1370985 1462384 1501555 1528856 1566840 1595328 1638060 1700160 1747264 1801866 1827980 1911070 1994160 2089120 2102177 2184080 2193576 2293284 2402488 2506944 2620896 2658880 2741970 2866605 2924768 3003110 3057712 3133680 3276120 3603732 3655960 3822140 3988320 4178240 4204354 4368160 4387152 4504665 4586568 4804976 5241792 5483940 5733210 5849536 6006220 6115424 6267360 6306531 6552240 7207464 7311920 7644280 7976640 8408708 8736320 8774304 9009330 9173136 9609952 10510885 10967880 11466420 12012440 12230848 12534720 12613062 13104480 14414928 14623840 15288560 16817416 17548608 18018660 18346272 19219904 21021770 21935760 22932840 24024880 25226124 26208960 28829856 29247680 30577120 31532655 33634832 36037320 36692544 42043540 43871520 45865680 48049760 50452248 57659712 61154240 63065310 67269664 72074640 84087080 87743040 91731360 96099520 100904496 126130620 134539328 144149280 168174160 183462720 201808992 252261240 288298560 336348320 403617984 504522480 672696640 1009044960 2018089920
• Sum of all divisors σ(n): 8342839296
• Sum of proper divisors (its aliquot sum) s(n): 6324749376
• 2018089920 is an abundant number, because the sum of its proper divisors (6324749376) is greater than itself. Its abundance is 4306659456

Bases of 2018089920

• Binary: 1111000010010011001101111000000₂
• Hexadecimal: 0x78499BC0
• Base-36: XDIO5C

Squares and roots of 2018089920

• 2018089920 squared (2018089920²) is 4072686925205606400
• 2018089920 cubed (2018089920³) is 8219048431073228203327488000
• The square root of 2018089920 is 44923.1557217433
• The cube root of 2018089920 is 1263.7082994025

Scales and comparisons

• 2,018,089,920 seconds is equal to 64 years, 8 weeks, 5 days, 12 hours, 32 minutes.
• To count from 1 to 2,018,089,920 would take you about one hundred twenty-eight 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 2018089920 cubic inches would be around 105.3 feet tall.

Recreational maths with 2018089920

• 2018089920 backwards is 0299808102
• The number of decimal digits it has is: 10
• The sum of 2018089920's digits is 39
• More coming soon!