138705628608

Names of 138705628608

• Cardinal: 138705628608 can be written as One hundred thirty-eight billion, seven hundred five million, six hundred twenty-eight thousand, six hundred eight.

Scientific notation

• Scientific notation: 1.38705628608 × 10¹¹

Factors of 138705628608

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 149

Divisors of 138705628608

• Number of divisors d(n): 462
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 127 136 144 153 162 192 204 216 243 254 272 288 289 306 324 381 408 432 459 486 508 544 576 578 612 648 729 762 816 864 867 918 972 1016 1088 1143 1156 1224 1296 1377 1458 1524 1632 1728 1734 1836 1944 2032 2159 2187 2286 2312 2448 2592 2601 2754 2916 3048 3264 3429 3468 3672 3888 4064 4131 4318 4374 4572 4624 4896 5184 5202 5508 5832 6096 6477 6561 6858 6936 7344 7776 7803 8128 8262 8636 8748 9144 9248 9792 10287 10404 11016 11664 12192 12393 12954 13122 13716 13872 14688 15552 15606 16524 17272 17496 18288 18496 19431 19683 20574 20808 22032 23328 23409 24384 24786 25908 26244 27432 27744 29376 30861 31212 33048 34544 34992 36576 36703 37179 38862 39366 41148 41616 44064 46656 46818 49572 51816 52488 54864 55488 58293 59049 61722 62424 66096 69088 69984 70227 73152 73406 74358 77724 78732 82296 83232 88128 92583 93636 99144 103632 104976 109728 110109 111537 116586 118098 123444 124848 132192 138176 139968 140454 146812 148716 155448 157464 164592 166464 174879 185166 187272 198288 207264 209952 210681 219456 220218 223074 233172 236196 246888 249696 264384 277749 280908 293624 297432 310896 314928 329184 330327 334611 349758 370332 374544 396576 414528 419904 421362 440436 446148 466344 472392 493776 499392 524637 555498 561816 587248 594864 621792 629856 632043 658368 660654 669222 699516 740664 749088 793152 833247 842724 880872 892296 932688 944784 987552 990981 1003833 1049274 1110996 1123632 1174496 1189728 1243584 1259712 1264086 1321308 1338444 1399032 1481328 1498176 1573911 1666494 1685448 1761744 1784592 1865376 1889568 1896129 1975104 1981962 2007666 2098548 2221992 2247264 2348992 2379456 2499741 2528172 2642616 2676888 2798064 2962656 2972943 3147822 3332988 3370896 3523488 3569184 3730752 3779136 3792258 3963924 4015332 4197096 4443984 4494528 4721733 4999482 5056344 5285232 5353776 5596128 5688387 5925312 5945886 6295644 6665976 6741792 7046976 7138368 7499223 7584516 7927848 8030664 8394192 8887968 8918829 9443466 9998964 10112688 10570464 10707552 11192256 11376774 11891772 12591288 13331952 13483584 14165199 14998446 15169032 15855696 16061328 16788384 17065161 17775936 17837658 18886932 19997928 20225376 21140928 21415104 22753548 23783544 25182576 26663904 26756487 28330398 29996892 30338064 31711392 32122656 33576768 34130322 35675316 37773864 39995856 40450752 42495597 45507096 47567088 50365152 53327808 53512974 56660796 59993784 60676128 63422784 64245312 68260644 71350632 75547728 79991712 80269461 84991194 91014192 95134176 100730304 107025948 113321592 119987568 121352256 127486791 136521288 142701264 151095456 159983424 160538922 169982388 182028384 190268352 214051896 226643184 239975136 240808383 254973582 273042576 285402528 302190912 321077844 339964776 364056768 428103792 453286368 479950272 481616766 509947164 546085152 570805056 642155688 679929552 722425149 856207584 906572736 963233532 1019894328 1092170304 1284311376 1359859104 1444850298 1712415168 1926467064 2039788656 2167275447 2568622752 2719718208 2889700596 3852934128 4079577312 4334550894 5137245504 5779401192 7705868256 8159154624 8669101788 11558802384 15411736512 17338203576 23117604768 34676407152 46235209536 69352814304 138705628608
• Sum of all divisors σ(n): 442031705216
• Sum of proper divisors (its aliquot sum) s(n): 303326076608
• 138705628608 is an abundant number, because the sum of its proper divisors (303326076608) is greater than itself. Its abundance is 164620448000

Bases of 138705628608

• Binary: 10000001001011011111111110110111000000₂
• Hexadecimal: 0x204B7FEDC0
• Base-36: 1RPXR000

Squares and roots of 138705628608

• 138705628608 squared (138705628608²) is 19239251407540428017664
• 138705628608 cubed (138705628608³) is 2668592460430243859363460447731712
• The square root of 138705628608 is 372432.0456244333
• The cube root of 138705628608 is 5176.4421115127

Scales and comparisons

• 138,705,628,608 seconds is equal to 4,410 years, 21 weeks, 2 days, 5 hours, 16 minutes, 48 seconds.
• To count from 1 to 138,705,628,608 would take you about eight thousand, eight hundred twenty 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 138705628608 cubic inches would be around 431.4 feet tall.

Recreational maths with 138705628608

• 138705628608 backwards is 806826507831
• 138705628608 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138705628608's digits is 54
• More coming soon!