18909361152

Names of 18909361152

• Cardinal: 18909361152 can be written as Eighteen billion, nine hundred nine million, three hundred sixty-one thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.8909361152 × 10¹⁰

Factors of 18909361152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 594

Divisors of 18909361152

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 31 32 33 36 44 48 62 64 66 72 88 93 96 99 121 124 128 132 144 176 186 192 198 242 248 256 264 279 288 341 352 363 372 384 396 484 496 512 528 547 558 576 682 704 726 744 768 792 968 992 1023 1024 1056 1089 1094 1116 1152 1364 1408 1452 1488 1536 1584 1641 1936 1984 2046 2112 2178 2188 2232 2304 2728 2816 2904 2976 3069 3072 3168 3282 3751 3872 3968 4092 4224 4356 4376 4464 4608 4923 5456 5632 5808 5952 6017 6138 6336 6564 7502 7744 7936 8184 8448 8712 8752 8928 9216 9846 10912 11253 11264 11616 11904 12034 12276 12672 13128 15004 15488 15872 16368 16896 16957 17424 17504 17856 18051 19692 21824 22506 23232 23808 24068 24552 25344 26256 30008 30976 31744 32736 33759 33792 33914 34848 35008 35712 36102 39384 43648 45012 46464 47616 48136 49104 50688 50871 52512 54153 60016 61952 65472 66187 67518 67828 69696 70016 71424 72204 78768 87296 90024 92928 95232 96272 98208 101376 101742 105024 108306 120032 123904 130944 132374 135036 135656 139392 140032 142848 144408 152613 157536 174592 180048 185856 186527 192544 196416 198561 203484 210048 216612 240064 261888 264748 270072 271312 278784 280064 285696 288816 305226 315072 349184 360096 371712 373054 385088 392832 397122 406968 420096 433224 480128 523776 529496 540144 542624 557568 559581 560128 577632 595683 610452 630144 720192 746108 770176 785664 794244 813936 840192 866448 960256 1047552 1058992 1080288 1085248 1115136 1119162 1155264 1191366 1220904 1260288 1440384 1492216 1540352 1571328 1588488 1627872 1678743 1680384 1732896 1920512 2051797 2117984 2160576 2170496 2238324 2310528 2382732 2441808 2520576 2880768 2984432 3080704 3142656 3176976 3255744 3357486 3465792 3841024 4103594 4235968 4321152 4340992 4476648 4621056 4765464 4883616 5041152 5761536 5968864 6155391 6161408 6353952 6511488 6714972 6931584 8207188 8471936 8642304 8681984 8953296 9242112 9530928 9767232 11523072 11937728 12310782 12707904 13022976 13429944 13863168 16414376 16943872 17284608 17363968 17906592 18466173 18484224 19061856 19534464 23875456 24621564 25415808 26045952 26859888 27726336 32828752 33887744 34569216 35813184 36932346 38123712 39068928 47750912 49243128 50831616 52091904 53719776 55452672 65657504 67775488 71626368 73864692 76247424 78137856 95501824 98486256 101663232 107439552 131315008 143252736 147729384 152494848 156275712 191003648 196972512 203326464 214879104 262630016 286505472 295458768 304989696 393945024 429758208 525260032 573010944 590917536 609979392 787890048 859516416 1050520064 1181835072 1575780096 1719032832 2101040128 2363670144 3151560192 4727340288 6303120384 9454680576 18909361152
• Sum of all divisors σ(n): 62064515968
• Sum of proper divisors (its aliquot sum) s(n): 43155154816
• 18909361152 is an abundant number, because the sum of its proper divisors (43155154816) is greater than itself. Its abundance is 24245793664

Bases of 18909361152

• Binary: 10001100111000101011111010000000000₂
• Hexadecimal: 0x46715F400
• Base-36: 8OQ58G0

Squares and roots of 18909361152

• 18909361152 squared (18909361152²) is 357563939176766767104
• 18909361152 cubed (18909361152³) is 6761305660825244366841009143808
• The square root of 18909361152 is 137511.3128146191
• The cube root of 18909361152 is 2664.1517106471

Scales and comparisons

• 18,909,361,152 seconds is equal to 601 years, 13 weeks, 3 days, 8 hours, 19 minutes, 12 seconds.
• To count from 1 to 18,909,361,152 would take you about one thousand, two hundred two 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 18909361152 cubic inches would be around 222 feet tall.

Recreational maths with 18909361152

• 18909361152 backwards is 25116390981
• The number of decimal digits it has is: 11
• The sum of 18909361152's digits is 45
• More coming soon!