20198490900

Names of 20198490900

• Cardinal: 20198490900 can be written as Twenty billion, one hundred ninety-eight million, four hundred ninety thousand, nine hundred.

Scientific notation

• Scientific notation: 2.01984909 × 10¹⁰

Factors of 20198490900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17489

Divisors of 20198490900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 49 50 60 70 75 79 84 98 100 105 140 147 150 158 175 196 210 237 245 294 300 316 350 395 420 474 490 525 553 588 700 735 790 948 980 1050 1106 1185 1225 1470 1580 1659 1975 2100 2212 2370 2450 2765 2940 3318 3675 3871 3950 4740 4900 5530 5925 6636 7350 7742 7900 8295 11060 11613 11850 13825 14700 15484 16590 17393 19355 23226 23700 27650 33180 34786 38710 41475 46452 52179 55300 58065 69572 77420 82950 86965 96775 104358 116130 121751 165900 173930 193550 208716 232260 243502 260895 290325 347860 365253 387100 434825 487004 521790 580650 608755 730506 852257 869650 1043580 1161300 1217510 1304475 1374047 1461012 1704514 1739300 1826265 2435020 2556771 2608950 2748094 3043775 3409028 3652530 4122141 4261285 5113542 5217900 5496188 6087550 6870235 7305060 8244282 8522570 9131325 9618329 10227084 12175100 12783855 13740470 16488564 17045140 18262650 19236658 20610705 21306425 25567710 27480940 28854987 34351175 36525300 38473316 41221410 42612850 48091645 51135420 57709974 63919275 67328303 68702350 82442820 85225700 96183290 103053525 115419948 127838550 134656606 137404700 144274935 192366580 201984909 206107050 240458225 255677100 269313212 288549870 336641515 403969818 412214100 480916450 577099740 673283030 721374675 807939636 961832900 1009924545 1346566060 1442749350 1683207575 2019849090 2885498700 3366415150 4039698180 5049622725 6732830300 10099245450 20198490900
• Sum of all divisors σ(n): 68846843520
• Sum of proper divisors (its aliquot sum) s(n): 48648352620
• 20198490900 is an abundant number, because the sum of its proper divisors (48648352620) is greater than itself. Its abundance is 28449861720

Bases of 20198490900

• Binary: 10010110011111011001000001100010100₂
• Hexadecimal: 0x4B3EC8314
• Base-36: 9A1NRBO

Squares and roots of 20198490900

• 20198490900 squared (20198490900²) is 407979034637382810000
• 20198490900 cubed (20198490900³) is 8240560818513961487601429000000
• The square root of 20198490900 is 142121.3949410855
• The cube root of 20198490900 is 2723.3678591409

Scales and comparisons

• 20,198,490,900 seconds is equal to 642 years, 12 weeks, 6 days, 19 hours, 55 minutes.
• To count from 1 to 20,198,490,900 would take you about one thousand, two hundred eighty-four 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 20198490900 cubic inches would be around 226.9 feet tall.

Recreational maths with 20198490900

• 20198490900 backwards is 00909489102
• 20198490900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20198490900's digits is 42
• More coming soon!