172991434016440

Names of 172991434016440

• Cardinal: 172991434016440 can be written as One hundred seventy-two trillion, nine hundred ninety-one billion, four hundred thirty-four million, sixteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.7299143401644 × 10¹⁴

Factors of 172991434016440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 178

Divisors of 172991434016440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 31 40 52 62 65 104 124 127 130 155 169 248 254 260 310 338 403 508 520 620 635 676 806 845 961 1016 1240 1270 1352 1612 1651 1690 1922 2015 2197 2540 3224 3302 3380 3844 3937 4030 4394 4805 5080 5239 6604 6760 7688 7874 8060 8255 8788 9610 10478 10985 12493 13208 15748 16120 16129 16510 17576 19220 19685 20956 21463 21970 24986 26195 31496 32258 33020 38440 39370 41912 42926 43940 49972 51181 52390 62465 64516 66040 68107 78740 80645 85852 87880 99944 102362 104780 107315 122047 124930 129032 136214 157480 161290 162409 171704 204724 209560 209677 214630 244094 249860 255905 272428 279019 322580 324818 340535 409448 419354 429260 488188 499720 499999 511810 544856 558038 610235 645160 649636 665353 681070 812045 838708 858520 976376 999998 1023620 1048385 1116076 1220470 1299272 1330706 1362140 1395095 1586611 1624090 1677416 1999996 2047240 2048383 2096770 2111317 2232152 2440940 2499995 2661412 2724280 2725801 2790190 3173222 3248180 3326765 3999992 4096766 4193540 4222634 4881880 4999990 5322824 5451602 5580380 6346444 6496360 6499987 6653530 7933055 8193532 8387080 8445268 8649589 9999980 10241915 10556585 10903204 11160760 12692888 12999974 13307060 13629005 15499969 15866110 16387064 16890536 17299178 19999960 20483830 20625943 21113170 21806408 25999948 26614120 26628979 27258010 30999938 31732220 32499935 34598356 35435413 40967660 41251886 42226340 43247945 51999896 53257958 54516020 61999876 63464440 63499873 64999870 69196712 70870826 77499845 81935320 82503772 84452680 84499831 86495890 103129715 106515916 109032040 123999752 126999746 129999740 133144895 141741652 154999690 165007544 168999662 172991780 177177065 201499597 206259430 213031832 253999492 259999480 266289790 268137259 283483304 309999380 317499365 337999324 345983560 346176727 354354130 402999194 412518860 422499155 507998984 532579580 536274518 619998760 634998730 675998648 692353454 708708260 805998388 825037720 825498349 844998310 1007497985 1065159160 1072549036 1098497803 1269997460 1340686295 1384706908 1417416520 1611996776 1650996698 1689996620 1730883635 1968496063 2014995970 2145098072 2196995606 2539994920 2619494761 2681372590 2769413816 3301993396 3379993240 3461767270 3936992126 4029991940 4127491745 4393991212 4500297451 5238989522 5362745180 5492489015 6603986792 6923534540 7873984252 8059983880 8254983490 8787982424 9000594902 9842480315 10477979044 10725490360 10731478537 10984978030 13097473805 13847069080 15747968504 16509966980 18001189804 19684960630 20955958088 21462957074 21969956060 22501487255 25590448819 26194947610 33019933960 34053431893 36002379608 39369921260 42925914148 43939912120 45002974510 51180897638 52389895220 53657392685 68106863786 78739842520 85851828296 90005949020 102361795276 104779790440 107314785370 127952244095 136213727572 139509220981 170267159465 180011898040 204723590552 214629570740 255904488190 272427455144 279018441962 332675834647 340534318930 429259141480 511808976380 558036883924 665351669294 681068637860 697546104905 1023617952760 1116073767848 1330703338588 1362137275720 1395092209810 1663379173235 2661406677176 2790184419620 3326758346470 4324785850411 5580368839240 6653516692940 8649571700822 13307033385880 17299143401644 21623929252055 34598286803288 43247858504110 86495717008220 172991434016440
• Sum of all divisors σ(n): 439150166784000
• Sum of proper divisors (its aliquot sum) s(n): 266158732767560
• 172991434016440 is an abundant number, because the sum of its proper divisors (266158732767560) is greater than itself. Its abundance is 93167298751120

Bases of 172991434016440

• Binary: 100111010101010110110100111110010100011010111000₂
• Hexadecimal: 0x9D55B4F946B8
• Base-36: 1PBJ61B1RS

Squares and roots of 172991434016440

• 172991434016440 squared (172991434016440²) is 29926036243064314350190273600
• 172991434016440 cubed (172991434016440³) is 5176947924115652329502170930833470497984000
• The square root of 172991434016440 is 13152620.8040998431
• The cube root of 172991434016440 is 55719.6268845905

Scales and comparisons

• 172,991,434,016,440 seconds is equal to 5,500,592 years, 26 weeks, 1 day, 11 hours, 40 minutes, 40 seconds.
• To count from 1 to 172,991,434,016,440 would take you about thirteen million, seven hundred fifty-one thousand, four hundred eighty-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 172991434016440 cubic inches would be around 4643.3 feet tall.

Recreational maths with 172991434016440

• 172991434016440 backwards is 044610434199271
• The number of decimal digits it has is: 15
• The sum of 172991434016440's digits is 55
• More coming soon!