72428811525

Names of 72428811525

• Cardinal: 72428811525 can be written as Seventy-two billion, four hundred twenty-eight million, eight hundred eleven thousand, five hundred twenty-five.

Scientific notation

• Scientific notation: 7.2428811525 × 10¹⁰

Factors of 72428811525

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 151

Divisors of 72428811525

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 5 7 9 15 17 21 25 27 29 31 35 45 51 59 63 75 85 87 93 105 119 135 145 153 155 175 177 189 203 217 225 255 261 279 289 295 315 357 413 425 435 459 465 493 525 527 531 595 609 651 675 725 765 775 783 837 867 885 899 945 1003 1015 1071 1085 1239 1275 1305 1395 1445 1475 1479 1575 1581 1593 1711 1785 1827 1829 1953 2023 2065 2175 2295 2325 2465 2601 2635 2655 2697 2975 3009 3045 3213 3255 3451 3689 3717 3825 3915 4185 4335 4425 4437 4495 4725 4743 5015 5075 5133 5355 5425 5481 5487 5859 6069 6195 6293 6525 6975 7021 7225 7395 7803 7905 7965 8091 8381 8555 8925 8959 9027 9135 9145 9765 10115 10325 10353 11067 11151 11475 11977 12325 12803 13005 13175 13275 13311 13485 14229 15045 15225 15283 15399 16065 16275 16461 17051 17255 18207 18445 18585 18879 19575 20925 21063 21675 22185 22475 23715 24273 25075 25143 25665 26775 26877 27081 27405 27435 29087 29295 30345 30975 31059 31093 31465 33201 35105 35931 36975 38409 39015 39525 39825 40455 41905 42775 44795 45135 45675 45725 45849 46197 48825 49383 50575 51153 51765 53041 54621 55335 55755 56637 58667 59885 62713 63189 64015 65025 66555 67425 71145 75225 75429 76415 76995 80325 80631 82305 85255 86275 87261 91035 92225 92925 93177 93279 94395 99603 105315 106981 107793 110925 115227 118575 119357 121365 125715 128325 134385 135405 137025 137175 137547 145435 146475 151725 153459 155295 155465 157325 159123 166005 169911 175525 176001 179655 188139 189567 192045 195075 202275 203609 209525 217651 223975 225675 226287 229245 230985 241893 246915 255765 258825 259811 261783 265205 273105 276675 278775 279837 283185 293335 299425 313565 315945 320075 320943 323379 332775 345681 355725 358071 371287 377145 382075 384975 403155 411525 412641 426275 436305 455175 460377 465885 466395 471975 477369 494479 498015 526575 528003 528581 534905 538965 564417 576135 596785 606825 610827 628575 652953 671925 677025 687735 727175 767295 776475 777325 779433 785349 795615 830025 839511 849555 880005 898275 901697 940695 947835 960225 962829 1018045 1074213 1088255 1113861 1131435 1146225 1154925 1209465 1234575 1278825 1299055 1308915 1326025 1365525 1399185 1415925 1432107 1466675 1483437 1567825 1579725 1584009 1585743 1604715 1616895 1693251 1728405 1790355 1818677 1832481 1856435 1885725 1958859 2015775 2063205 2181525 2301885 2329425 2331975 2338299 2386845 2472395 2490075 2640015 2642905 2674525 2694825 2705091 2822085 2880675 2888487 2983925 3054135 3222639 3264765 3341583 3438675 3461353 3700067 3836475 3897165 3926745 3978075 4197555 4247775 4400025 4450311 4508485 4703475 4739175 4757229 4814145 5090225 5371065 5441275 5456031 5497443 5569305 5657175 5876577 6047325 6311879 6495275 6544575 6995925 7014897 7160535 7417185 7920045 7928715 8023575 8084475 8115273 8466255 8642025 8951775 9093385 9162405 9282175 9794295 10024749 10316025 10384059 11100201 11509425 11691495 11934225 12361975 13200075 13214525 13350933 13525455 14110425 14271687 14442435 15270675 15328849 16113195 16323825 16368093 16707915 17306765 18500335 18935637 19485825 19633725 20987775 22251555 22542425 23786145 24070725 24345819 26855325 27280155 27487215 27846525 29382885 31152177 31559395 33300603 35074485 35802675 37085925 39600225 39643575 40576365 42331275 45466925 45812025 45986547 48971475 49104279 50123745 51920295 55501005 56806911 58457475 66754665 67627275 71358435 72212175 76644245 80565975 81840465 83539575 86533825 92501675 93456531 94678185 99901809 107301943 111257775 118930725 121729095 136400775 137436075 137959641 146914425 155760885 157796975 166503015 170420733 175372425 202881825 229932735 245521395 250618725 259601475 277505025 284034555 321905829 333773325 356792175 383221225 409202325 413878923 467282655 473390925 499509045 536509715 608645475 689798205 778804425 832515075 852103665 965717487 1149663675 1227606975 1420172775 1609529145 2069394615 2336413275 2497545225 2682548575 2897152461 3448991025 4260518325 4828587435 8047645725 10346973075 14485762305 24142937175 72428811525
• Sum of all divisors σ(n): 175417344000
• Sum of proper divisors (its aliquot sum) s(n): 102988532475
• 72428811525 is an abundant number, because the sum of its proper divisors (102988532475) is greater than itself. Its abundance is 30559720950

Bases of 72428811525

• Binary: 1000011011101000101111111010100000101₂
• Hexadecimal: 0x10DD17F505
• Base-36: X9U8SN9

Squares and roots of 72428811525

• 72428811525 squared (72428811525²) is 5245932738923972825625
• 72428811525 cubed (72428811525³) is 379956673620351459091414815328125
• The square root of 72428811525 is 269126.0142108153
• The cube root of 72428811525 is 4168.4102293535

Scales and comparisons

• 72,428,811,525 seconds is equal to 2,303 years, 4 days, 10 hours, 18 minutes, 45 seconds.
• To count from 1 to 72,428,811,525 would take you about four thousand, six hundred six 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 72428811525 cubic inches would be around 347.4 feet tall.

Recreational maths with 72428811525

• 72428811525 backwards is 52511882427
• 72428811525 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72428811525's digits is 45
• More coming soon!