81864729012150

Names of 81864729012150

• Cardinal: 81864729012150 can be written as Eighty-one trillion, eight hundred sixty-four billion, seven hundred twenty-nine million, twelve thousand, one hundred fifty.

Scientific notation

• Scientific notation: 8.186472901215 × 10¹³

Factors of 81864729012150

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 421

Divisors of 81864729012150

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 49 50 54 63 70 75 90 98 105 126 127 135 147 150 175 189 210 225 245 254 270 277 294 315 350 378 381 441 450 490 525 554 630 635 675 735 762 831 882 889 945 1050 1143 1225 1270 1323 1350 1385 1470 1575 1662 1778 1890 1905 1939 2205 2286 2450 2493 2646 2667 2770 3150 3175 3429 3675 3810 3878 4155 4410 4445 4725 4986 5334 5715 5817 6223 6350 6615 6858 6925 7350 7479 8001 8310 8890 9450 9525 9695 11025 11430 11634 12446 12465 13230 13335 13573 13850 14958 16002 16129 17145 17451 18669 19050 19390 20775 22050 22225 24003 24930 26670 27146 28575 29085 31115 32258 33075 34290 34902 35179 37338 37395 40005 40719 41550 44450 48006 48387 48475 52353 56007 57150 58170 62230 62325 66150 66675 67865 70358 74790 76729 80010 80645 81438 85725 87255 93345 96774 96950 104706 105537 112014 112903 120015 122157 124650 133350 135730 145161 145425 153458 155575 161290 168021 171450 174510 175895 186690 186975 200025 203595 211074 225806 230187 240030 241935 244314 246253 261765 280035 290322 290850 311150 316611 336042 338709 339325 351790 366471 373950 383645 400050 403225 407190 435483 436275 460374 466725 483870 492506 523530 527685 537103 560070 564515 600075 610785 633222 677418 678650 690561 725805 732942 738759 767290 790321 806450 840105 870966 872550 879475 933450 949833 1016127 1017975 1055370 1074206 1129030 1150935 1200150 1209675 1221570 1231265 1308825 1381122 1400175 1451610 1477518 1580642 1583055 1611309 1680210 1693545 1723771 1758950 1832355 1899666 1918225 2032254 2035950 2071683 2177415 2216277 2301870 2370963 2419350 2462530 2617650 2638425 2685515 2800350 2822575 3048381 3053925 3166110 3222618 3387090 3447542 3452805 3629025 3664710 3693795 3759721 3836450 3951605 4143366 4200525 4354830 4432554 4467733 4741926 4749165 4833927 5080635 5171313 5276850 5371030 5645150 5754675 6096762 6107850 6156325 6648831 6905610 7112889 7258050 7387590 7519442 7903210 7915275 8056545 8401050 8467725 8618855 8935466 9161775 9498330 9667854 9744583 10161270 10342626 10358415 10887075 11081385 11279163 11509350 11854815 12312650 13297662 13403199 13427575 14225778 14501781 15241905 15513939 15830550 16113090 16935450 17237710 17264025 18323550 18468975 18798605 19489166 19758025 20716830 21338667 21774150 22162770 22338665 22558326 23709630 23745825 24169635 25403175 25856565 26806398 26855150 29003562 29233749 30483810 31027878 31274131 33244155 33837489 34528050 35564445 36937950 37597210 39516050 40209597 40282725 42677334 43094275 44677330 46541817 47491650 48339270 48722915 50806350 51713130 51792075 55406925 56395815 58467498 59274075 62548262 66488310 67015995 67674978 68212081 71128890 72508905 76209525 77569695 80419194 80565450 86188550 87701247 93083634 93822393 93993025 97445830 101512467 103584150 106693335 110813850 111693325 112791630 118548150 120628791 120848175 129282825 134031990 136424162 145017810 146168745 152419050 155139390 156370655 166220775 169187445 175402494 177822225 187644786 187986050 201047985 203024934 204636243 213386670 218918917 223386650 232709085 241257582 241696350 243614575 258565650 263103741 281467179 281979075 292337490 312741310 332441550 335079975 338374890 341060405 355644450 362544525 387848475 402095970 409272486 437837834 438506235 465418170 469111965 477484567 487229150 507562335 526207482 533466675 562934358 563958150 603143955 613908729 656756751 670159950 682120810 725089050 730843725 775696950 781853275 844401537 845937225 877012470 938223930 954969134 1005239925 1015124670 1023181215 1066933350 1094594585 1163545425 1206287910 1227817458 1237562041 1313513502 1315518705 1407335895 1432453701 1461687450 1563706550 1688803074 1691874450 1705302025 1841726187 1970270253 2010479850 2046362430 2189189170 2192531175 2327090850 2345559825 2387422835 2475124082 2537811675 2631037410 2814671790 2864907402 3015719775 3069543645 3283783755 3410604050 3683452374 3712686123 3940540506 4222007685 4297361103 4385062350 4691119650 4774845670 5075623350 5115906075 5472972925 5910810759 6031439550 6139087290 6187810205 6567567510 6577593525 7036679475 7162268505 7425372246 8444015370 8594722206 8662934287 9208630935 9851351265 10231812150 10945945850 11138058369 11821621518 11937114175 12375620410 12892083309 13155187050 14073358950 14324537010 15347718225 16418918775 17325868574 18417261870 18563430615 19702702530 21110038425 21486805515 22276116738 23874228350 25784166618 25988802861 29554053795 30695436450 30939051025 32837837550 33414175107 35811342525 37126861230 42220076850 42973611030 43314671435 46043154675 49256756325 51977605722 55690291845 59108107590 60640540009 61878102050 64460416545 66828350214 71622685050 77966408583 86629342870 92086309350 92817153075 98513512650 107434027575 111380583690 121281080018 128920833090 129944014305 147770268975 155932817166 167070875535 181921620027 185634306150 214868055150 216573357175 233899225749 259888028610 278451459225 295540537950 303202700045 322302082725 334141751070 363843240054 389832042915 433146714350 467798451498 545764860081 556902918450 606405400090 644604165450 649720071525 779664085830 835354377675 909608100135 1091529720162 1169496128745 1299440143050 1516013500225 1637294580243 1670708755350 1819216200270 1949160214575 2338992257490 2728824300405 3032027000450 3274589160486 3898320429150 4548040500675 5457648600810 5847480643725 8186472901215 9096081001350 11694961287450 13644121502025 16372945802430 27288243004050 40932364506075 81864729012150
• Sum of all divisors σ(n): 265453469499960
• Sum of proper divisors (its aliquot sum) s(n): 183588740487810
• 81864729012150 is an abundant number, because the sum of its proper divisors (183588740487810) is greater than itself. Its abundance is 101724011475660

Bases of 81864729012150

• Binary: 10010100111010010011110000101111010011110110110₂
• Hexadecimal: 0x4A749E17A7B6
• Base-36: T0O4XYW1I

Squares and roots of 81864729012150

• 81864729012150 squared (81864729012150²) is 6701833856232753914847622500
• 81864729012150 cubed (81864729012150³) is 548643812524946641515917652322201113375000
• The square root of 81864729012150 is 9047912.9644437893
• The cube root of 81864729012150 is 43420.9121847299

Scales and comparisons

• 81,864,729,012,150 seconds is equal to 2,603,045 years, 8 weeks, 1 day, 15 hours, 22 minutes, 30 seconds.
• To count from 1 to 81,864,729,012,150 would take you about six million, five hundred seven thousand, six hundred twelve 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 81864729012150 cubic inches would be around 3618.4 feet tall.

Recreational maths with 81864729012150

• 81864729012150 backwards is 05121092746818
• 81864729012150 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81864729012150's digits is 54
• More coming soon!