72145438365
72,145,438,365 is an odd composite number composed of seven prime numbers multiplied together.
72145438365 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 72145438365:
3 × 5 × 73 × 11 × 132 × 19 × 397
(3 × 5 × 7 × 7 × 7 × 11 × 13 × 13 × 19 × 397)See below for interesting mathematical facts about the number 72145438365 from the Numbermatics database.
Names of 72145438365
- Cardinal: 72145438365 can be written as Seventy-two billion, one hundred forty-five million, four hundred thirty-eight thousand, three hundred sixty-five.
Scientific notation
- Scientific notation: 7.2145438365 × 1010
Factors of 72145438365
Divisors of 72145438365
- Number of divisors d(n): 384
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Complete list of divisors:
1 3 5 7 11 13 15 19 21 33 35 39 49 55 57 65 77 91 95 105 133 143 147 165 169 195 209 231 245 247 273 285 343 385 397 399 429 455 507 539 627 637 665 715 735 741 845 931 1001 1029 1045 1155 1183 1191 1235 1365 1463 1617 1715 1729 1859 1911 1985 1995 2145 2535 2695 2717 2779 2793 3003 3135 3185 3211 3549 3705 3773 4367 4389 4459 4655 5005 5145 5161 5187 5577 5915 5955 6517 7007 7315 7543 8085 8151 8281 8337 8645 9295 9555 9633 10241 11319 12103 13013 13101 13377 13585 13895 13965 15015 15483 16055 17745 18865 19019 19453 19551 21021 21835 21945 22295 22477 22629 24843 25805 25935 27885 30569 30723 32585 35035 35321 36127 36309 37715 39039 40755 41405 41685 48165 49049 51205 52801 56595 56771 57057 57967 58359 60515 65065 65505 66885 67093 67431 71687 77415 82973 84721 91091 91707 95095 97265 97755 98059 105105 105963 108381 112385 113145 124215 133133 136171 147147 152845 153615 157339 158403 170313 173901 176605 180635 181545 195195 201279 213983 215061 245245 247247 248919 252889 254163 264005 273273 283855 285285 289835 291795 294177 335465 337155 358435 369607 397397 399399 408513 414865 423605 455455 458535 469651 472017 490295 529815 541905 580811 637637 641949 665665 680855 686413 735735 738023 741741 758667 786695 792015 851565 869505 931931 1006395 1069915 1075305 1078649 1101373 1108821 1192191 1236235 1244595 1264445 1270815 1274767 1366365 1408953 1470885 1497881 1730729 1742433 1770223 1848035 1912911 1986985 1996995 2042565 2059239 2214069 2348255 2360085 2587249 2781779 2795793 2904055 3188185 3209745 3235947 3287557 3304119 3432065 3690115 3708705 3793335 3824301 4065677 4493643 4659655 4804891 5166161 5192187 5310669 5393245 5506865 5544105 5960955 6373835 7044765 7489405 7550543 7761747 8345337 8653645 8712165 8851115 8923369 9564555 9862671 10296195 11070345 12115103 12197031 12936245 13908895 13978965 14022437 14414673 15498483 16179735 16437785 16520595 19121505 19472453 20328385 22468215 22651629 23012899 24024455 25830805 25960935 26553345 26770107 28459739 33634237 36163127 36345309 37752715 38808735 41726685 42067311 44616845 49313355 52853801 58417359 60575515 60985155 62463583 69038697 70112185 72073365 77492415 85379217 97362265 98157059 100902711 108489381 113258145 115064495 133850535 142298695 158561403 168171185 180815635 181726545 187390749 210336555 253141889 264269005 292086795 294471177 312317915 345193485 369976607 426896085 437245081 490785295 504513555 542446905 687099413 759425667 792807015 936953745 1109929821 1265709445 1311735243 1472355885 1849883035 2061298239 2186225405 3435497065 3797128335 4809695891 5549649105 6558676215 10306491195 14429087673 24048479455 72145438365
- Sum of all divisors σ(n): 167809536000
- Sum of proper divisors (its aliquot sum) s(n): 95664097635
- 72145438365 is an abundant number, because the sum of its proper divisors (95664097635) is greater than itself. Its abundance is 23518659270
Bases of 72145438365
- Binary: 10000110011000011010000000110100111012
- Hexadecimal: 0x10CC34069D
- Base-36: X55J4IL
Squares and roots of 72145438365
- 72145438365 squared (721454383652) is 5204964276878013873225
- 72145438365 cubed (721454383653) is 375514429429529544514369161277125
-
The
square root of 72145438365 is 268599.0289725561 -
The
cube root of 72145438365 is 4162.9669101905
Scales and comparisons
How big is 72145438365?- 72,145,438,365 seconds is equal to 2,294 years, 15 hours, 32 minutes, 45 seconds.
-
To count from 1 to 72,145,438,365 would take you about four thousand, five hundred eighty-eight 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 72145438365 cubic inches would be around 346.9 feet tall.
Recreational maths with 72145438365
- 72145438365 backwards is 56383454127
- The number of decimal digits it has is: 11
- The sum of 72145438365's digits is 48
- More coming soon!
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