128428207104

Names of 128428207104

• Cardinal: 128428207104 can be written as One hundred twenty-eight billion, four hundred twenty-eight million, two hundred seven thousand, one hundred four.

Scientific notation

• Scientific notation: 1.28428207104 × 10¹¹

Factors of 128428207104

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 211

Divisors of 128428207104

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 67 96 128 134 139 192 201 256 268 278 384 402 417 512 536 556 768 804 834 1024 1072 1112 1536 1608 1668 2144 2224 3072 3216 3336 4288 4448 4489 6432 6672 8576 8896 8978 9313 12864 13344 13467 17152 17792 17956 18626 25728 26688 26934 27939 34304 35584 35912 37252 51456 53376 53868 55878 68608 71168 71824 74504 102912 106752 107736 111756 142336 143648 149008 205824 213504 215472 223512 287296 298016 300763 427008 430944 447024 574592 596032 601526 623971 861888 894048 902289 1149184 1192064 1203052 1247942 1723776 1788096 1804578 1871913 2298368 2384128 2406104 2495884 3447552 3576192 3609156 3743826 4596736 4768256 4812208 4991768 6895104 7152384 7218312 7487652 9536512 9624416 9983536 13790208 14304768 14436624 14975304 19248832 19967072 28609536 28873248 29950608 38497664 39934144 41806057 57746496 59901216 76995328 79868288 83612114 115492992 119802432 125418171 153990656 159736576 167224228 230985984 239604864 250836342 307981312 319473152 334448456 461971968 479209728 501672684 638946304 668896912 923943936 958419456 1003345368 1337793824 1916838912 2006690736 2675587648 4013381472 5351175296 8026762944 10702350592 16053525888 21404701184 32107051776 42809402368 64214103552 128428207104
• Sum of all divisors σ(n): 349994422400
• Sum of proper divisors (its aliquot sum) s(n): 221566215296
• 128428207104 is an abundant number, because the sum of its proper divisors (221566215296) is greater than itself. Its abundance is 93138008192

Bases of 128428207104

• Binary: 1110111100110111010101110110000000000₂
• Hexadecimal: 0x1DE6EAEC00
• Base-36: 1MZYU6TC

Squares and roots of 128428207104

• 128428207104 squared (128428207104²) is 16493804379947916066816
• 128428207104 cubed (128428207104³) is 2118269724840813269362254349860864
• The square root of 128428207104 is 358368.8143574995
• The cube root of 128428207104 is 5045.2978104445

Scales and comparisons

• 128,428,207,104 seconds is equal to 4,083 years, 32 weeks, 1 day, 13 hours, 58 minutes, 24 seconds.
• To count from 1 to 128,428,207,104 would take you about eight thousand, one hundred sixty-seven 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 128428207104 cubic inches would be around 420.4 feet tall.

Recreational maths with 128428207104

• 128428207104 backwards is 401702824821
• The number of decimal digits it has is: 12
• The sum of 128428207104's digits is 39
• More coming soon!