2989997208

Names of 2989997208

• Cardinal: 2989997208 can be written as Two billion, nine hundred eighty-nine million, nine hundred ninety-seven thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.989997208 × 10⁹

Factors of 2989997208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 112

Divisors of 2989997208

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 29 33 36 44 58 66 67 72 87 88 99 116 132 134 174 198 201 232 261 264 268 319 348 396 402 522 536 603 638 696 737 792 804 841 957 1044 1206 1276 1474 1608 1682 1914 1943 2088 2211 2412 2523 2552 2871 2948 3364 3828 3886 4422 4489 4824 5046 5742 5829 5896 6633 6728 7569 7656 7772 8844 8978 9251 10092 11484 11658 13266 13467 15138 15544 17487 17688 17956 18502 20184 21373 22968 23316 26532 26934 27753 30276 34974 35912 37004 40401 42746 46632 49379 53064 53868 55506 56347 60552 64119 69948 74008 80802 83259 85492 98758 107736 111012 112694 128238 130181 139896 148137 161604 166518 169041 170984 192357 197516 222024 225388 256476 260362 296274 323208 333036 338082 384714 390543 395032 444411 450776 507123 512952 520724 592548 619817 666072 676164 769428 781086 888822 1014246 1041448 1171629 1185096 1239634 1352328 1431991 1538856 1562172 1777644 1859451 2028492 2343258 2479268 2863982 3124344 3555288 3718902 3775249 4056984 4295973 4686516 4958536 5578353 5727964 7437804 7550498 8591946 9373032 11156706 11325747 11455928 12887919 14875608 15100996 17183892 22313412 22651494 25775838 30201992 33977241 34367784 41527739 44626824 45302988 51551676 67954482 83055478 90605976 103103352 124583217 135908964 166110956 249166434 271817928 332221912 373749651 498332868 747499302 996665736 1494998604 2989997208
• Sum of all divisors σ(n): 9287803980
• Sum of proper divisors (its aliquot sum) s(n): 6297806772
• 2989997208 is an abundant number, because the sum of its proper divisors (6297806772) is greater than itself. Its abundance is 3307809564

Bases of 2989997208

• Binary: 10110010001101111011110010011000₂
• Hexadecimal: 0xB237BC98
• Base-36: 1DG60M0

Squares and roots of 2989997208

• 2989997208 squared (2989997208²) is 8940083303847795264
• 2989997208 cubed (2989997208³) is 26730824117792323496315622912
• The square root of 2989997208 is 54680.8669280215
• The cube root of 2989997208 is 1440.6448385101

Scales and comparisons

• 2,989,997,208 seconds is equal to 95 years, 3 weeks, 5 days, 10 hours, 46 minutes, 48 seconds.
• To count from 1 to 2,989,997,208 would take you about one hundred ninety 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 2989997208 cubic inches would be around 120.1 feet tall.

Recreational maths with 2989997208

• 2989997208 backwards is 8027999892
• The number of decimal digits it has is: 10
• The sum of 2989997208's digits is 63
• More coming soon!