18898971000

Names of 18898971000

• Cardinal: 18898971000 can be written as Eighteen billion, eight hundred ninety-eight million, nine hundred seventy-one thousand.

Scientific notation

• Scientific notation: 1.8898971 × 10¹⁰

Factors of 18898971000

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1938

Divisors of 18898971000

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 25 26 28 30 35 37 39 40 42 50 52 56 60 65 70 74 75 78 84 91 100 104 105 111 120 125 130 140 148 150 156 168 175 182 185 195 200 210 222 250 259 260 273 280 296 300 312 325 350 364 370 375 390 420 444 455 481 500 518 520 525 546 555 600 650 700 728 740 750 777 780 840 875 888 910 925 962 975 1000 1036 1050 1092 1110 1295 1300 1365 1400 1443 1480 1500 1554 1560 1625 1750 1820 1850 1871 1924 1950 2072 2100 2184 2220 2275 2405 2590 2600 2625 2730 2775 2886 3000 3108 3250 3367 3500 3640 3700 3742 3848 3885 3900 4200 4440 4550 4625 4810 4875 5180 5250 5460 5550 5613 5772 6216 6475 6500 6734 6825 7000 7215 7400 7484 7770 7800 9100 9250 9355 9620 9750 10101 10360 10500 10920 11100 11226 11375 11544 12025 12950 13000 13097 13468 13650 13875 14430 14968 15540 16835 18200 18500 18710 19240 19425 19500 20202 21000 22200 22452 22750 24050 24323 25900 26194 26936 27300 27750 28065 28860 31080 32375 33670 34125 36075 37000 37420 38850 39000 39291 40404 44904 45500 46775 48100 48646 50505 51800 52388 54600 55500 56130 57720 60125 64750 65485 67340 68250 69227 72150 72969 74840 77700 78582 80808 84175 91000 93550 96200 97125 97292 101010 104776 111000 112260 120250 121615 129500 130970 134680 136500 138454 140325 144300 145938 155400 157164 168350 170261 180375 187100 194250 194584 196455 202020 207681 224520 233875 240500 243230 252525 259000 261940 273000 276908 280650 288600 291876 314328 327425 336700 340522 346135 360750 364845 374200 388500 392910 404040 415362 420875 467750 481000 484589 486460 505050 510783 523880 553816 561300 583752 608075 654850 673400 681044 692270 701625 721500 729690 777000 785820 830724 841750 851305 899951 935500 969178 972920 982275 1010100 1021566 1038405 1122600 1216150 1262625 1309700 1362088 1384540 1403250 1443000 1453767 1459380 1571640 1637125 1661448 1683500 1702610 1730675 1799902 1824225 1871000 1938356 1964550 2020200 2043132 2076810 2422945 2432300 2525250 2553915 2619400 2699853 2769080 2806500 2907534 2918760 3040375 3274250 3367000 3405220 3461350 3599804 3648450 3876712 3929100 4086264 4153620 4256525 4499755 4845890 4864600 4911375 5050500 5107830 5192025 5399706 5613000 5815068 6080750 6299657 6548500 6810440 6922700 7199608 7268835 7296900 7858200 8307240 8513050 8653375 8999510 9121125 9691780 9822750 10101000 10215660 10384050 10799412 11630136 12114725 12161500 12599314 12769575 13097000 13499265 13845400 14537670 14593800 17026100 17306750 17999020 18242250 18898971 19383560 19645500 20431320 20768100 21282625 21598824 22498775 24229450 24323000 25198628 25539150 25960125 26998530 29075340 31498285 34052200 34613500 35998040 36344175 36484500 37797942 39291000 41536200 42565250 44997550 48458900 50397256 51078300 51920250 53997060 58150680 60573625 62996570 63847875 67496325 69227000 72688350 72969000 75595884 85130500 89995100 94494855 96917800 102156600 103840500 107994120 112493875 121147250 125993140 127695750 134992650 145376700 151191768 157491425 170261000 179990200 181720875 188989710 207681000 224987750 242294500 251986280 255391500 269985300 290753400 314982850 337481625 363441750 377979420 449975500 472474275 484589000 510783000 539970600 629965700 674963250 726883500 755958840 787457125 899951000 944948550 1259931400 1349926500 1453767000 1574914250 1889897100 2362371375 2699853000 3149828500 3779794200 4724742750 6299657000 9449485500 18898971000
• Sum of all divisors σ(n): 74573291520
• Sum of proper divisors (its aliquot sum) s(n): 55674320520
• 18898971000 is an abundant number, because the sum of its proper divisors (55674320520) is greater than itself. Its abundance is 36775349520

Bases of 18898971000

• Binary: 10001100110011101110110100101111000₂
• Hexadecimal: 0x466776978
• Base-36: 8OJYJCO

Squares and roots of 18898971000

• 18898971000 squared (18898971000²) is 357171104858841000000
• 18898971000 cubed (18898971000³) is 6750166352765195152611000000000
• The square root of 18898971000 is 137473.5283609175
• The cube root of 18898971000 is 2663.6636629107

Scales and comparisons

• 18,898,971,000 seconds is equal to 600 years, 48 weeks, 2 days, 2 hours, 10 minutes.
• To count from 1 to 18,898,971,000 would take you about one thousand, two hundred one 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 18898971000 cubic inches would be around 222 feet tall.

Recreational maths with 18898971000

• 18898971000 backwards is 00017989881
• The number of decimal digits it has is: 11
• The sum of 18898971000's digits is 51
• More coming soon!