990436828640

Names of 990436828640

• Cardinal: 990436828640 can be written as Nine hundred ninety billion, four hundred thirty-six million, eight hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 9.9043682864 × 10¹¹

Factors of 990436828640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 145289

Divisors of 990436828640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 68 70 80 85 112 119 136 140 160 170 224 238 272 280 340 359 476 544 560 595 680 718 952 1120 1190 1360 1436 1795 1904 2380 2513 2720 2872 3590 3808 4760 5026 5744 6103 7180 9520 10052 11488 12206 12565 14360 19040 20104 24412 25130 28720 30515 40208 42721 48824 50260 57440 61030 80416 85442 97648 100520 122060 144899 170884 195296 201040 213605 244120 289798 341768 402080 427210 488240 579596 683536 724495 854420 976480 1014293 1159192 1367072 1448990 1708840 2028586 2318384 2463283 2897980 3417680 4057172 4636768 4926566 5071465 5795960 6835360 8114344 9853132 10142930 11591920 12316415 16228688 17242981 19706264 20285860 23183840 24632830 32457376 34485962 39412528 40571720 49265660 52018741 68971924 78825056 81143440 86214905 98531320 104037482 137943848 162286880 172429810 197062640 208074964 260093705 275887696 344859620 364131187 394125280 416149928 520187410 551775392 689719240 728262374 832299856 884318597 1040374820 1379438480 1456524748 1664599712 1768637194 1820655935 2080749640 2758876960 2913049496 3537274388 3641311870 4161499280 4421592985 5826098992 6190230179 7074548776 7282623740 8322998560 8843185970 11652197984 12380460358 14149097552 14565247480 17686371940 24760920716 28298195104 29130494960 30951150895 35372743880 49521841432 58260989920 61902301790 70745487760 99043682864 123804603580 141490975520 198087365728 247609207160 495218414320 990436828640
• Sum of all divisors σ(n): 2839390848000
• Sum of proper divisors (its aliquot sum) s(n): 1848954019360
• 990436828640 is an abundant number, because the sum of its proper divisors (1848954019360) is greater than itself. Its abundance is 858517190720

Bases of 990436828640

• Binary: 1110011010011010101000101010010111100000₂
• Hexadecimal: 0xE69AA2A5E0
• Base-36: CN00IK0W

Squares and roots of 990436828640

• 990436828640 squared (990436828640²) is 980965111526460724249600
• 990436828640 cubed (990436828640³) is 971583974066751669169291367788544000
• The square root of 990436828640 is 995206.9275482361
• The cube root of 990436828640 is 9968.0206029655

Scales and comparisons

• 990,436,828,640 seconds is equal to 31,492 years, 43 weeks, 5 hours, 17 minutes, 20 seconds.
• To count from 1 to 990,436,828,640 would take you about sixty-two thousand, nine hundred eighty-five 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 990436828640 cubic inches would be around 830.7 feet tall.

Recreational maths with 990436828640

• 990436828640 backwards is 046828634099
• The number of decimal digits it has is: 12
• The sum of 990436828640's digits is 59
• More coming soon!