161039872512

Names of 161039872512

• Cardinal: 161039872512 can be written as One hundred sixty-one billion, thirty-nine million, eight hundred seventy-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.61039872512 × 10¹¹

Factors of 161039872512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 129235

Divisors of 161039872512

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 271 288 384 512 542 576 768 813 1084 1152 1536 1626 2168 2304 2439 3252 4336 4608 4878 6504 8672 9756 13008 17344 19512 26016 34688 39024 52032 69376 78048 104064 128959 138752 156096 208128 257918 312192 386877 416256 515836 624384 773754 1031672 1160631 1248768 1547508 2063344 2321262 3095016 4126688 4642524 6190032 8253376 9285048 12380064 16506752 18570096 24760128 33013504 34947889 37140192 49520256 66027008 69895778 74280384 99040512 104843667 139791556 148560768 198081024 209687334 279583112 297121536 314531001 419374668 559166224 594243072 629062002 838749336 1118332448 1258124004 1677498672 2236664896 2516248008 3354997344 4473329792 5032496016 6709994688 8946659584 10064992032 13419989376 17893319168 20129984064 26839978752 40259968128 53679957504 80519936256 161039872512
• Sum of all divisors σ(n): 466490618880
• Sum of proper divisors (its aliquot sum) s(n): 305450746368
• 161039872512 is an abundant number, because the sum of its proper divisors (305450746368) is greater than itself. Its abundance is 144410873856

Bases of 161039872512

• Binary: 10010101111110101110010111001000000000₂
• Hexadecimal: 0x257EB97200
• Base-36: 21ZAZCW0

Squares and roots of 161039872512

• 161039872512 squared (161039872512²) is 25933840538681213190144
• 161039872512 cubed (161039872512³) is 4176382374095759976750282574921728
• The square root of 161039872512 is 401297.7354932369
• The cube root of 161039872512 is 5440.5708801121

Scales and comparisons

• 161,039,872,512 seconds is equal to 5,120 years, 29 weeks, 4 days, 9 hours, 55 minutes, 12 seconds.
• To count from 1 to 161,039,872,512 would take you about ten thousand, two hundred forty-one 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 161039872512 cubic inches would be around 453.4 feet tall.

Recreational maths with 161039872512

• 161039872512 backwards is 215278930161
• The number of decimal digits it has is: 12
• The sum of 161039872512's digits is 45
• More coming soon!