4991139648

Names of 4991139648

• Cardinal: 4991139648 can be written as Four billion, nine hundred ninety-one million, one hundred thirty-nine thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 4.991139648 × 10⁹

Factors of 4991139648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 198

Divisors of 4991139648

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 73 81 88 96 99 108 109 121 132 144 146 162 176 192 198 216 218 219 242 264 288 292 297 324 327 352 363 396 432 436 438 484 528 576 584 594 648 654 657 704 726 792 803 864 872 876 891 968 981 1056 1089 1168 1188 1199 1296 1308 1314 1452 1584 1606 1728 1744 1752 1782 1936 1962 1971 2112 2178 2336 2376 2398 2409 2592 2616 2628 2904 2943 3168 3212 3267 3488 3504 3564 3597 3872 3924 3942 4356 4672 4752 4796 4818 5184 5232 5256 5808 5886 5913 6336 6424 6534 6976 7008 7128 7194 7227 7744 7848 7884 7957 8712 8829 8833 9504 9592 9636 9801 10464 10512 10791 11616 11772 11826 12848 13068 13189 14016 14256 14388 14454 15696 15768 15914 17424 17658 17666 19008 19184 19272 19602 20928 21024 21582 21681 23232 23544 23652 23871 25696 26136 26378 26499 28512 28776 28908 31392 31536 31828 32373 34848 35316 35332 38368 38544 39204 39567 42048 43164 43362 47088 47304 47742 51392 52272 52756 52998 57024 57552 57816 62784 63072 63656 64746 65043 69696 70632 70664 71613 76736 77088 78408 79134 79497 86328 86724 87527 94176 94608 95484 97119 104544 105512 105996 115104 115632 118701 126144 127312 129492 130086 141264 141328 143226 154176 156816 158268 158994 172656 173448 175054 188352 189216 190968 194238 209088 211024 211992 214839 230208 231264 237402 238491 254624 258984 260172 262581 282528 282656 286452 313632 316536 317988 345312 346896 350108 356103 378432 381936 388476 422048 423984 429678 462528 474804 476982 509248 517968 520344 525162 565056 565312 572904 627264 633072 635976 644517 690624 693792 700216 712206 715473 763872 776952 787743 844096 847968 859356 949608 953964 962797 1035936 1040688 1050324 1068309 1145808 1266144 1271952 1289034 1387584 1400432 1424412 1430946 1527744 1553904 1575486 1695936 1718712 1899216 1907928 1925594 2071872 2081376 2100648 2136618 2291616 2363229 2532288 2543904 2578068 2800864 2848824 2861892 2888391 3107808 3150972 3437424 3798432 3815856 3851188 4162752 4201296 4273236 4583232 4726458 5087808 5156136 5601728 5697648 5723784 5776782 6215616 6301944 6874848 7089687 7596864 7631712 7702376 8402592 8546472 8665173 9452916 10312272 11395296 11447568 11553564 12603888 13749696 14179374 15263424 15404752 16805184 17092944 17330346 18905832 20624544 22790592 22895136 23107128 25207776 25995519 28358748 30809504 34185888 34660692 37811664 41249088 45790272 46214256 50415552 51991038 56717496 61619008 68371776 69321384 75623328 77986557 92428512 103982076 113434992 138642768 151246656 155973114 184857024 207964152 226869984 277285536 311946228 415928304 453739968 554571072 623892456 831856608 1247784912 1663713216 2495569824 4991139648
• Sum of all divisors σ(n): 16636621540
• Sum of proper divisors (its aliquot sum) s(n): 11645481892
• 4991139648 is an abundant number, because the sum of its proper divisors (11645481892) is greater than itself. Its abundance is 6654342244

Bases of 4991139648

• Binary: 100101001011111101011111101000000₂
• Hexadecimal: 0x1297EBF40
• Base-36: 2AJLG00

Squares and roots of 4991139648

• 4991139648 squared (4991139648²) is 24911474985837563904
• 4991139648 cubed (4991139648³) is 124336650491974103688988065792
• The square root of 4991139648 is 70647.9981882007
• The cube root of 4991139648 is 1708.9652835327

Scales and comparisons

• 4,991,139,648 seconds is equal to 158 years, 36 weeks, 3 days, 19 hours, 40 minutes, 48 seconds.
• To count from 1 to 4,991,139,648 would take you about three hundred seventeen 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 4991139648 cubic inches would be around 142.4 feet tall.

Recreational maths with 4991139648

• 4991139648 backwards is 8469311994
• 4991139648 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4991139648's digits is 54
• More coming soon!