138787612128

Names of 138787612128

• Cardinal: 138787612128 can be written as One hundred thirty-eight billion, seven hundred eighty-seven million, six hundred twelve thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38787612128 × 10¹¹

Factors of 138787612128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 311

Divisors of 138787612128

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 32 33 34 36 37 44 48 51 66 68 72 74 88 96 99 102 111 132 136 144 148 153 176 187 198 204 222 241 264 272 288 289 296 306 333 352 374 396 407 408 444 482 528 544 561 578 592 612 629 666 723 748 792 814 816 867 888 964 1056 1122 1156 1184 1221 1224 1258 1332 1446 1496 1584 1628 1632 1683 1734 1776 1887 1928 2169 2244 2312 2442 2448 2516 2601 2651 2664 2892 2992 3168 3179 3256 3366 3468 3552 3663 3774 3856 4097 4338 4488 4624 4884 4896 4913 5032 5202 5302 5328 5661 5784 5984 6358 6512 6732 6919 6936 7326 7548 7712 7953 8194 8676 8917 8976 9248 9537 9768 9826 10064 10404 10604 10656 10693 11322 11568 12291 12716 13024 13464 13838 13872 14652 14739 15096 15906 16388 17352 17834 17952 19074 19536 19652 20128 20757 20808 21208 21386 22644 23136 23859 24582 25432 26751 26928 27676 27744 28611 29304 29478 30192 31812 32079 32776 34704 35668 36873 38148 39072 39304 41514 41616 42416 42772 44217 45067 45288 47718 49164 50864 53502 53856 54043 55352 57222 58608 58956 60384 62271 63624 64158 65552 69408 69649 71336 73746 76296 78608 80253 83028 83232 84832 85544 88434 90134 90576 95436 96237 98087 98328 101728 107004 108086 110704 114444 117216 117623 117912 124542 127248 128316 131104 135201 139298 142672 147492 151589 152592 157216 160506 162129 166056 171088 176868 180268 181152 181781 190872 192474 196174 196656 208947 214008 216172 221408 228888 235246 235824 249084 254496 256632 270402 278596 285344 294261 294984 303178 305184 321012 324258 332112 342176 352869 353736 360536 363562 381744 384948 392348 393312 405603 417894 428016 432344 454767 457776 470492 471648 486387 498168 513264 540804 545343 557192 588522 589968 606356 626841 642024 648516 664224 705738 707472 721072 727124 763488 766139 769896 784696 811206 835788 856032 864688 882783 909534 915552 940984 972774 996336 1026528 1058607 1081608 1090686 1114384 1177044 1179936 1184033 1212712 1253682 1284048 1297032 1364301 1411476 1414944 1442144 1454248 1532278 1539792 1569392 1622412 1636029 1667479 1671576 1729376 1765566 1819068 1881968 1945548 1992672 1999591 2117214 2163216 2181372 2228768 2298417 2354088 2368066 2425424 2507364 2568096 2577013 2594064 2728602 2822952 2908496 3064556 3079584 3138784 3244824 3272058 3334958 3343152 3531132 3552099 3638136 3763936 3891096 3999182 4234428 4326432 4362744 4596834 4708176 4736132 4850848 5002437 5014728 5154026 5188128 5457204 5645904 5816992 5998773 6129112 6489648 6544116 6669916 6686304 6895251 7062264 7104198 7276272 7731039 7782192 7998364 8468856 8725488 9193668 9416352 9472264 10004874 10029456 10308052 10656297 10914408 11291808 11997546 12258224 12979296 13024363 13088232 13339832 13790502 14124528 14208396 14552544 15007311 15462078 15564384 15996728 16937712 17450976 17996319 18387336 18944528 20009748 20058912 20616104 21312594 21828816 23193117 23995092 24516448 26048726 26176464 26679664 27581004 28249056 28347143 28416792 30014622 30924156 31993456 33875424 35992638 36774672 37889056 39073089 40019496 41232208 42625188 43657632 43809221 46386234 47990184 52097452 52352928 53359328 55162008 56694286 56833584 60029244 61848312 63986912 71985276 73549344 78146178 80038992 82464416 85041429 85250376 87618442 92772468 95980368 104194904 110324016 113388572 113667168 117219267 120058488 123696624 131427663 143970552 156292356 160077984 170082858 170500752 175236884 185544936 191960736 208389808 220648032 226777144 234438534 240116976 247393248 255124287 262855326 287941104 312584712 340165716 341001504 350473768 371089872 394282989 416779616 453554288 468877068 480233952 481901431 510248574 525710652 575882208 625169424 680331432 700947536 742179744 788565978 907108576 937754136 963802862 1020497148 1051421304 1250338848 1360662864 1401895072 1445704293 1577131956 1875508272 1927605724 2040994296 2102842608 2721325728 2891408586 3154263912 3751016544 3855211448 4081988592 4205685216 4337112879 5782817172 6308527824 7710422896 8163977184 8674225758 11565634344 12617055648 15420845792 17348451516 23131268688 34696903032 46262537376 69393806064 138787612128
• Sum of all divisors σ(n): 471774663360
• Sum of proper divisors (its aliquot sum) s(n): 332987051232
• 138787612128 is an abundant number, because the sum of its proper divisors (332987051232) is greater than itself. Its abundance is 194199439104

Bases of 138787612128

• Binary: 10000001010000011000101110010111100000₂
• Hexadecimal: 0x205062E5E0
• Base-36: 1RRAK6W0

Squares and roots of 138787612128

• 138787612128 squared (138787612128²) is 19262001280192172688384
• 138787612128 cubed (138787612128³) is 2673327162484350712377033603121152
• The square root of 138787612128 is 372542.0944376621
• The cube root of 138787612128 is 5177.4617753983

Scales and comparisons

• 138,787,612,128 seconds is equal to 4,413 years, 6 days, 2 hours, 28 minutes, 48 seconds.
• To count from 1 to 138,787,612,128 would take you about eight thousand, eight hundred twenty-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 138787612128 cubic inches would be around 431.5 feet tall.

Recreational maths with 138787612128

• 138787612128 backwards is 821216787831
• The number of decimal digits it has is: 12
• The sum of 138787612128's digits is 54
• More coming soon!