813613921536

Names of 813613921536

• Cardinal: 813613921536 can be written as Eight hundred thirteen billion, six hundred thirteen million, nine hundred twenty-one thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 8.13613921536 × 10¹¹

Factors of 813613921536

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 146

Divisors of 813613921536

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 109 114 128 152 156 192 208 218 228 247 256 304 312 327 361 384 416 436 456 494 608 624 654 722 741 768 832 872 912 988 1083 1216 1248 1308 1417 1444 1482 1664 1744 1824 1976 2071 2166 2432 2496 2616 2834 2888 2964 3328 3488 3648 3952 4142 4251 4332 4693 4864 4992 5232 5668 5776 5928 6213 6859 6976 7296 7904 8284 8502 8664 9386 9984 10464 11336 11552 11856 11881 12426 13718 13952 14079 14592 15808 16568 17004 17328 18772 20577 20928 22672 23104 23712 23762 24852 26923 27436 27904 28158 31616 33136 34008 34656 35643 37544 39349 41154 41856 45344 46208 47424 47524 49704 53846 54872 56316 63232 66272 68016 69312 71286 75088 78698 80769 82308 83712 89167 90688 92416 94848 95048 99408 107692 109744 112632 118047 132544 136032 138624 142572 150176 154453 157396 161538 164616 178334 181376 189696 190096 198816 215384 219488 225264 225739 236094 265088 267501 272064 277248 285144 300352 308906 314792 323076 329232 356668 362752 380192 397632 430768 438976 450528 451478 463359 472188 511537 530176 535002 544128 570288 600704 617812 629584 646152 658464 677217 713336 747631 760384 795264 861536 877952 901056 902956 926718 944376 1023074 1070004 1088256 1140576 1201408 1235624 1259168 1292304 1316928 1354434 1426672 1495262 1520768 1534611 1590528 1723072 1755904 1802112 1805912 1853436 1888752 2046148 2140008 2242893 2281152 2471248 2518336 2584608 2633856 2708868 2853344 2934607 2990524 3041536 3069222 3446144 3604224 3611824 3706872 3777504 4092296 4280016 4289041 4485786 4562304 4942496 5036672 5169216 5267712 5417736 5706688 5869214 5981048 6138444 6892288 7223648 7413744 7555008 8184592 8560032 8578082 8803821 8971572 9124608 9719203 9884992 10073344 10338432 10835472 11413376 11738428 11962096 12276888 12867123 14447296 14827488 15110016 16369184 17120064 17156164 17607642 17943144 19438406 19769984 20676864 21670944 22826752 23476856 23924192 24553776 25734246 28894592 29157609 29654976 30220032 32738368 34240128 34312328 35215284 35886288 38876812 39539968 43341888 46953712 47848384 49107552 51468492 55757533 57789184 58315218 59309952 65476736 68480256 68624656 70430568 71772576 77753624 81491779 86683776 93907424 95696768 98215104 102936984 111515066 116630436 118619904 130953472 137249312 140861136 143545152 155507248 162983558 167272599 173367552 187814848 191393536 196430208 205873968 223030132 233260872 244475337 274498624 281722272 287090304 311014496 325967116 334545198 375629696 392860416 411747936 446060264 466521744 488950674 548997248 563444544 574180608 622028992 651934232 669090396 751259392 823495872 892120528 933043488 977901348 1059393127 1097994496 1126889088 1244057984 1303868464 1338180792 1646991744 1784241056 1866086976 1955802696 2118786254 2253778176 2488115968 2607736928 2676361584 3178179381 3293983488 3568482112 3732173952 3911605392 4237572508 5215473856 5352723168 6356358762 7136964224 7464347904 7823210784 8475145016 10430947712 10705446336 12712717524 14273928448 15646421568 16950290032 20861895424 21410892672 25425435048 31292843136 33900580064 42821785344 50850870096 62585686272 67801160128 101701740192 135602320256 203403480384 271204640512 406806960768 813613921536
• Sum of all divisors σ(n): 2484293461440
• Sum of proper divisors (its aliquot sum) s(n): 1670679539904
• 813613921536 is an abundant number, because the sum of its proper divisors (1670679539904) is greater than itself. Its abundance is 857065618368

Bases of 813613921536

• Binary: 1011110101101111001010110011010100000000₂
• Hexadecimal: 0xBD6F2B3500
• Base-36: ADROPZPC

Squares and roots of 813613921536

• 813613921536 squared (813613921536²) is 661967613317188364599296
• 813613921536 cubed (813613921536³) is 538586065800824082755223775824838656
• The square root of 813613921536 is 902005.4997260269
• The cube root of 813613921536 is 9335.5402776369

Scales and comparisons

• 813,613,921,536 seconds is equal to 25,870 years, 21 weeks, 19 hours, 5 minutes, 36 seconds.
• To count from 1 to 813,613,921,536 would take you about fifty-one thousand, seven hundred forty 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 813613921536 cubic inches would be around 778 feet tall.

Recreational maths with 813613921536

• 813613921536 backwards is 635129316318
• 813613921536 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813613921536's digits is 48
• More coming soon!