12638085768

Names of 12638085768

• Cardinal: 12638085768 can be written as Twelve billion, six hundred thirty-eight million, eighty-five thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.2638085768 × 10¹⁰

Factors of 12638085768

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 522

Divisors of 12638085768

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 71 72 77 84 88 97 99 126 132 142 154 168 194 198 213 231 252 264 284 291 308 331 388 396 426 462 497 504 568 582 616 639 662 679 693 776 781 792 852 873 924 993 994 1067 1164 1278 1324 1358 1386 1491 1562 1704 1746 1848 1986 1988 2037 2134 2317 2328 2343 2556 2648 2716 2772 2979 2982 3124 3201 3492 3641 3972 3976 4074 4268 4473 4634 4686 5112 5432 5467 5544 5958 5964 6111 6248 6402 6887 6951 6984 7029 7282 7469 7944 8148 8536 8946 9268 9372 9603 10923 10934 11916 11928 12222 12804 13774 13902 14058 14564 14938 16296 16401 17892 18536 18744 19206 20661 20853 21846 21868 22407 23501 23832 24444 25487 25608 27548 27804 28116 29128 29876 32107 32769 32802 35784 38412 41322 41706 43692 43736 44814 47002 48209 48888 49203 50974 55096 55608 56232 59752 61983 64214 65538 65604 67221 70503 75757 76461 76824 82644 83412 87384 89628 94004 96321 96418 98406 101948 123966 128428 131076 131208 134442 141006 144627 151514 152922 164507 165288 166824 179256 188008 192642 192836 196812 203896 211509 224749 227271 229383 247932 256856 258511 262152 268884 282012 288963 289254 303028 305844 329014 353177 385284 385672 393624 423018 433881 449498 454542 458766 493521 495864 517022 530299 537768 564024 577926 578508 606056 611688 658028 674247 681813 706354 770568 775533 846036 867762 898996 909084 917532 987042 1034044 1059531 1060598 1155852 1157016 1316056 1348494 1363626 1412708 1480563 1551066 1590897 1692072 1735524 1797992 1809577 1818168 1835064 1974084 2022741 2068088 2119062 2121196 2279597 2311704 2326599 2472239 2696988 2727252 2825416 2961126 3102132 3178593 3181794 3471048 3619154 3948168 4045482 4238124 4242392 4559194 4653198 4772691 4944478 5393976 5428731 5454504 5922252 6204264 6357186 6363588 6838791 7238308 7416717 8090964 8476248 9118388 9306396 9545382 9888956 10857462 11844504 12714372 12727176 13677582 14476616 14833434 15957179 16181928 16286193 18236776 18612792 19090764 19777912 20516373 21714924 22250151 25075567 25428744 27355164 29666868 31914358 32572386 38181528 41032746 43429848 44500302 47871537 50151134 54710328 59333736 63828716 65144772 75226701 82065492 89000604 95743074 100302268 127657432 130289544 143614611 150453402 164130984 175528969 178001208 191486148 200604536 225680103 287229222 300906804 351057938 382972296 451360206 526586907 574458444 601813608 702115876 902720412 1053173814 1148916888 1404231752 1579760721 1805440824 2106347628 3159521442 4212695256 6319042884 12638085768
• Sum of all divisors σ(n): 43853322240
• Sum of proper divisors (its aliquot sum) s(n): 31215236472
• 12638085768 is an abundant number, because the sum of its proper divisors (31215236472) is greater than itself. Its abundance is 18577150704

Bases of 12638085768

• Binary: 1011110001010010011110001010001000₂
• Hexadecimal: 0x2F149E288
• Base-36: 5T0E1E0

Squares and roots of 12638085768

• 12638085768 squared (12638085768²) is 159721211879324149824
• 12638085768 cubed (12638085768³) is 2018570374699799071349394104832
• The square root of 12638085768 is 112419.2410933289
• The cube root of 12638085768 is 2329.3089717663

Scales and comparisons

• 12,638,085,768 seconds is equal to 401 years, 44 weeks, 2 days, 3 hours, 22 minutes, 48 seconds.
• To count from 1 to 12,638,085,768 would take you about eight hundred three 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 12638085768 cubic inches would be around 194.1 feet tall.

Recreational maths with 12638085768

• 12638085768 backwards is 86758083621
• The number of decimal digits it has is: 11
• The sum of 12638085768's digits is 54
• More coming soon!