1998906448

Names of 1998906448

• Cardinal: 1998906448 can be written as One billion, nine hundred ninety-eight million, nine hundred six thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.998906448 × 10⁹

Factors of 1998906448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 96

Divisors of 1998906448

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 23 28 44 46 53 56 77 88 92 106 112 121 154 161 176 184 212 242 253 308 322 368 371 424 484 506 583 616 644 742 847 848 968 1012 1166 1219 1232 1288 1331 1484 1694 1771 1936 2024 2332 2438 2576 2662 2783 2968 3388 3542 4048 4081 4664 4876 5324 5566 5936 6413 6776 7084 8162 8533 9317 9328 9752 10648 11132 12826 13409 13552 14168 14641 16324 17066 18634 19481 19504 21296 22264 25652 26818 28336 29282 30613 32648 34132 37268 38962 44528 44891 51304 53636 58564 61226 65296 68264 70543 74536 77924 89782 93863 102487 102608 107272 117128 122452 136528 141086 147499 149072 155848 179564 187726 204974 214291 214544 234256 244904 282172 294998 311696 336743 359128 375452 409948 428582 489808 493801 564344 589996 673486 718256 750904 775973 819896 857164 987602 1032493 1128688 1179992 1346972 1501808 1551946 1622489 1639792 1714328 1975204 2064986 2357201 2359984 2693944 3103892 3244978 3428656 3950408 4129972 4714402 5387888 5431811 6207784 6489956 7900816 8259944 9428804 10863622 11357423 12415568 12979912 16519888 17847379 18857608 21727244 22714846 25959824 35694758 37715216 43454488 45429692 71389516 86908976 90859384 124931653 142779032 181718768 249863306 285558064 499726612 999453224 1998906448
• Sum of all divisors σ(n): 5176275840
• Sum of proper divisors (its aliquot sum) s(n): 3177369392
• 1998906448 is an abundant number, because the sum of its proper divisors (3177369392) is greater than itself. Its abundance is 1178462944

Bases of 1998906448

• Binary: 1110111001001001110010001010000₂
• Hexadecimal: 0x7724E450
• Base-36: X23I34

Squares and roots of 1998906448

• 1998906448 squared (1998906448²) is 3995626987855976704
• 1998906448 cubed (1998906448³) is 7986884549828129528963387392
• The square root of 1998906448 is 44709.1315952345
• The cube root of 1998906448 is 1259.6913764991

Scales and comparisons

• 1,998,906,448 seconds is equal to 63 years, 29 weeks, 11 hours, 47 minutes, 28 seconds.
• To count from 1 to 1,998,906,448 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 1998906448 cubic inches would be around 105 feet tall.

Recreational maths with 1998906448

• 1998906448 backwards is 8446098991
• The number of decimal digits it has is: 10
• The sum of 1998906448's digits is 58
• More coming soon!