1990790144

Names of 1990790144

• Cardinal: 1990790144 can be written as One billion, nine hundred ninety million, seven hundred ninety thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.990790144 × 10⁹

Factors of 1990790144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 256

Divisors of 1990790144

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 56 58 61 64 112 116 122 128 157 203 224 232 244 256 314 406 427 448 464 488 512 628 812 854 896 928 976 1024 1099 1256 1624 1708 1769 1792 1856 1952 2198 2512 3248 3416 3538 3584 3712 3904 4396 4553 5024 6496 6832 7076 7168 7424 7808 8792 9106 9577 10048 12383 12992 13664 14152 14848 15616 17584 18212 19154 20096 24766 25984 27328 28304 29696 31232 31871 35168 36424 38308 40192 49532 51968 54656 56608 62464 63742 67039 70336 72848 76616 80384 99064 103936 109312 113216 127484 134078 140672 145696 153232 160768 198128 207872 218624 226432 254968 268156 277733 281344 291392 306464 396256 437248 452864 509936 536312 555466 562688 582784 612928 792512 905728 1019872 1072624 1110932 1125376 1165568 1225856 1585024 1811456 1944131 2039744 2145248 2221864 2331136 2451712 3170048 3888262 4079488 4290496 4443728 4662272 4903424 6340096 7776524 8158976 8580992 8887456 9806848 12680192 15553048 16317952 17161984 17774912 31106096 32635904 34323968 35549824 62212192 68647936 71099648 124424384 142199296 248848768 284398592 497697536 995395072 1990790144
• Sum of all divisors σ(n): 4812578880
• Sum of proper divisors (its aliquot sum) s(n): 2821788736
• 1990790144 is an abundant number, because the sum of its proper divisors (2821788736) is greater than itself. Its abundance is 830998592

Bases of 1990790144

• Binary: 1110110101010010000110000000000₂
• Hexadecimal: 0x76A90C00
• Base-36: WX9JI8

Squares and roots of 1990790144

• 1990790144 squared (1990790144²) is 3963245397447540736
• 1990790144 cubed (1990790144³) is 7889989875491926854267305984
• The square root of 1990790144 is 44618.2714142985
• The cube root of 1990790144 is 1257.9841251387

Scales and comparisons

• 1,990,790,144 seconds is equal to 63 years, 15 weeks, 4 days, 13 hours, 15 minutes, 44 seconds.
• To count from 1 to 1,990,790,144 would take you about one hundred twenty-six 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 1990790144 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990790144

• 1990790144 backwards is 4410970991
• The number of decimal digits it has is: 10
• The sum of 1990790144's digits is 44
• More coming soon!