164861604990

Names of 164861604990

• Cardinal: 164861604990 can be written as One hundred sixty-four billion, eight hundred sixty-one million, six hundred four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.6486160499 × 10¹¹

Factors of 164861604990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17418

Divisors of 164861604990

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 31 34 45 51 54 62 67 85 90 93 102 134 135 153 155 170 186 201 255 270 279 306 310 335 402 459 465 510 527 558 603 670 765 837 918 930 1005 1054 1139 1206 1395 1530 1581 1674 1809 2010 2077 2278 2295 2635 2790 3015 3162 3417 3618 4154 4185 4590 4743 5270 5695 6030 6231 6834 7905 8370 9045 9486 10251 10385 11390 12462 14229 15810 17085 17293 18090 18693 20502 20770 23715 28458 30753 31155 34170 34586 35309 37386 47430 51255 51879 56079 61506 62310 70618 71145 86465 93465 102510 103758 105927 112158 142290 153765 155637 172930 176545 186930 211854 259395 280395 293981 307530 311274 317781 353090 466911 518790 529635 536083 560790 587962 635562 778185 881943 933822 953343 1059270 1072166 1158631 1469905 1556370 1588905 1608249 1763886 1906686 2317262 2334555 2645829 2680415 2939810 3177810 3216498 3475893 4409715 4669110 4766715 4824747 5291658 5360830 5793155 6951786 7937487 8041245 8819430 9113411 9533430 9649494 10427679 11586310 13229145 14474241 15874974 16082490 17379465 18226822 19696727 20855358 24123735 26458290 27340233 28948482 31283037 34758930 35917561 39393454 39687435 45567055 48247470 52138395 54680466 59090181 62566074 71835122 72371205 79374870 82020699 91134110 98483635 104276790 107752683 118180362 136701165 144742410 156415185 164041398 177270543 179587805 196967270 215505366 246062097 273402330 295450905 312830370 323258049 354541086 359175610 410103495 492124194 531811629 538763415 590901810 610598537 646516098 820206990 886352715 969774147 1063623258 1077526830 1221197074 1230310485 1616290245 1772705430 1831795611 1939548294 2460620970 2659058145 3052992685 3232580490 3663591222 4848870735 5318116290 5495386833 6105985370 9158978055 9697741470 10990773666 16486160499 18317956110 27476934165 32972320998 54953868330 82430802495 164861604990
• Sum of all divisors σ(n): 487707402240
• Sum of proper divisors (its aliquot sum) s(n): 322845797250
• 164861604990 is an abundant number, because the sum of its proper divisors (322845797250) is greater than itself. Its abundance is 157984192260

Bases of 164861604990

• Binary: 10011001100010100001000111010001111110₂
• Hexadecimal: 0x266284747E
• Base-36: 23QICCJI

Squares and roots of 164861604990

• 164861604990 squared (164861604990²) is 27179348799878792900100
• 164861604990 cubed (164861604990³) is 4480831065731048114974302731499000
• The square root of 164861604990 is 406031.5320144483
• The cube root of 164861604990 is 5483.2726490347

Scales and comparisons

• 164,861,604,990 seconds is equal to 5,242 years, 4 weeks, 4 days, 10 hours, 16 minutes, 30 seconds.
• To count from 1 to 164,861,604,990 would take you about ten thousand, four 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 164861604990 cubic inches would be around 456.9 feet tall.

Recreational maths with 164861604990

• 164861604990 backwards is 099406168461
• 164861604990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 164861604990's digits is 54
• More coming soon!