389556972
389,556,972 is an even composite number composed of five prime numbers multiplied together.
389556972 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 389556972:
22 × 33 × 7 × 172 × 1783
(2 × 2 × 3 × 3 × 3 × 7 × 17 × 17 × 1783)See below for interesting mathematical facts about the number 389556972 from the Numbermatics database.
Names of 389556972
- Cardinal: 389556972 can be written as Three hundred eighty-nine million, five hundred fifty-six thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 3.89556972 × 108
Factors of 389556972
Divisors of 389556972
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 51 54 63 68 84 102 108 119 126 153 189 204 238 252 289 306 357 378 459 476 578 612 714 756 867 918 1071 1156 1428 1734 1783 1836 2023 2142 2601 3213 3468 3566 4046 4284 5202 5349 6069 6426 7132 7803 8092 10404 10698 12138 12481 12852 15606 16047 18207 21396 24276 24962 30311 31212 32094 36414 37443 48141 49924 54621 60622 64188 72828 74886 90933 96282 109242 112329 121244 149772 181866 192564 212177 218484 224658 272799 336987 363732 424354 449316 515287 545598 636531 673974 818397 848708 1030574 1091196 1273062 1347948 1545861 1636794 1909593 2061148 2546124 3091722 3273588 3607009 3819186 4637583 5728779 6183444 7214018 7638372 9275166 10821027 11457558 13912749 14428036 18550332 21642054 22915116 27825498 32463081 43284108 55650996 64926162 97389243 129852324 194778486 389556972
- Sum of all divisors σ(n): 1226821120
- Sum of proper divisors (its aliquot sum) s(n): 837264148
- 389556972 is an abundant number, because the sum of its proper divisors (837264148) is greater than itself. Its abundance is 447707176
Bases of 389556972
- Binary: 101110011100000101010111011002
- Hexadecimal: 0x17382AEC
- Base-36: 6FXK30
Squares and roots of 389556972
- 389556972 squared (3895569722) is 151754634433808784
- 389556972 cubed (3895569723) is 59117075877001484322042048
-
The
square root of 389556972 is 19737.1976734289 -
The
cube root of 389556972 is 730.3376007743
Scales and comparisons
How big is 389556972?- 389,556,972 seconds is equal to 12 years, 20 weeks, 18 hours, 16 minutes, 12 seconds.
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To count from 1 to 389,556,972 would take you about eighteen 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 389556972 cubic inches would be around 60.9 feet tall.
Recreational maths with 389556972
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