1991164032

Names of 1991164032

• Cardinal: 1991164032 can be written as One billion, nine hundred ninety-one million, one hundred sixty-four thousand and thirty-two.

Scientific notation

• Scientific notation: 1.991164032 × 10⁹

Factors of 1991164032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 125

Divisors of 1991164032

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 17 18 22 24 26 27 32 33 34 36 39 44 48 51 52 54 64 66 68 72 78 79 81 88 96 99 102 104 108 117 128 132 136 143 144 153 156 158 162 176 187 192 198 204 208 216 221 234 237 264 272 286 288 297 306 312 316 324 351 352 374 384 396 408 416 429 432 442 459 468 474 528 544 561 572 576 594 612 624 632 648 663 702 704 711 748 792 816 832 858 864 869 884 891 918 936 948 1027 1053 1056 1088 1122 1144 1152 1188 1224 1248 1264 1287 1296 1326 1343 1377 1404 1408 1422 1496 1584 1632 1664 1683 1716 1728 1738 1768 1782 1836 1872 1896 1989 2054 2106 2112 2133 2176 2244 2288 2376 2431 2448 2496 2528 2574 2592 2607 2652 2686 2754 2808 2844 2992 3081 3168 3264 3366 3432 3456 3476 3536 3564 3672 3744 3792 3861 3978 4029 4108 4212 4224 4266 4488 4576 4752 4862 4896 4992 5049 5056 5148 5184 5214 5304 5372 5508 5616 5688 5967 5984 6162 6336 6399 6528 6732 6864 6952 7072 7128 7293 7344 7488 7584 7722 7821 7956 8058 8216 8424 8532 8976 9152 9243 9504 9724 9792 10098 10112 10296 10368 10428 10608 10744 11016 11232 11297 11376 11583 11934 11968 12087 12324 12672 12798 13464 13728 13904 14144 14256 14586 14688 14773 14976 15147 15168 15444 15642 15912 16116 16432 16848 17064 17459 17901 17952 18304 18486 19008 19448 19584 20196 20592 20856 21216 21488 21879 22032 22464 22594 22752 23166 23463 23868 23936 24174 24648 25596 26928 27456 27729 27808 28288 28512 29172 29376 29546 30294 30336 30888 31284 31824 32232 32864 33696 33891 34128 34918 35802 35904 36261 36972 38016 38896 40392 41184 41712 42432 42976 43758 44064 44319 44928 45188 45504 46332 46926 47736 48348 49296 51192 52377 53856 54912 55458 55616 57024 58344 58752 59092 60588 61776 62568 63648 64464 65637 65728 67392 67782 68256 69836 70389 71604 71808 72522 73944 77792 80784 82368 83187 83424 84864 85952 87516 88128 88638 90376 91008 92664 93852 95472 96696 98592 101673 102384 104754 107712 108783 110916 111232 114048 116688 118184 121176 123552 125136 127296 128928 131274 131456 132957 134784 135564 136512 139672 140778 143208 145044 147888 155584 157131 161568 164736 166374 166848 171904 175032 176256 177276 180752 185328 187704 190944 192049 193392 196911 197184 203346 204768 209508 215424 217566 221832 233376 236368 242352 247104 250272 254592 257856 262548 265914 271128 273024 279344 281556 286416 290088 295776 305019 311168 314262 323136 332748 333696 350064 354552 361504 370656 375408 381888 384098 386784 393822 394368 398871 406692 409536 419016 435132 443664 466752 471393 472736 484704 494208 500544 515712 525096 531828 542256 558688 563112 572832 576147 580176 591552 610038 628524 646272 665496 700128 709104 723008 741312 750816 763776 768196 773568 787644 797742 813384 819072 838032 870264 887328 915057 933504 942786 945472 969408 1001088 1050192 1063656 1084512 1117376 1126224 1145664 1152294 1160352 1183104 1196613 1220076 1257048 1330992 1400256 1414179 1418208 1446016 1482624 1501632 1536392 1547136 1575288 1595484 1626768 1676064 1728441 1740528 1774656 1830114 1885572 1890944 1938816 2100384 2127312 2169024 2234752 2252448 2291328 2304588 2320704 2393226 2440152 2514096 2661984 2800512 2828358 2836416 3003264 3072784 3150576 3190968 3253536 3352128 3456882 3481056 3549312 3660228 3771144 4200768 4254624 4338048 4504896 4609176 4641408 4786452 4880304 5028192 5185323 5323968 5656716 5672832 6145568 6301152 6381936 6507072 6704256 6913764 6962112 7320456 7542288 8401536 8509248 9009792 9218352 9572904 9760608 10056384 10370646 10647936 11313432 12291136 12602304 12763872 13014144 13827528 13924224 14640912 15084576 15555969 17018496 18436704 19145808 19521216 20112768 20741292 22626864 24582272 25204608 25527744 27655056 29281824 30169152 31111938 36873408 38291616 39042432 41482584 45253728 51055488 55310112 58563648 60338304 62223876 73746816 76583232 82965168 90507456 110620224 117127296 124447752 153166464 165930336 181014912 221240448 248895504 331860672 497791008 663721344 995582016 1991164032
• Sum of all divisors σ(n): 7464441600
• Sum of proper divisors (its aliquot sum) s(n): 5473277568
• 1991164032 is an abundant number, because the sum of its proper divisors (5473277568) is greater than itself. Its abundance is 3482113536

Bases of 1991164032

• Binary: 1110110101011101100000010000000₂
• Hexadecimal: 0x76AEC080
• Base-36: WXHK00

Squares and roots of 1991164032

• 1991164032 squared (1991164032²) is 3964734202330497024
• 1991164032 cubed (1991164032³) is 7894436140120696250871840768
• The square root of 1991164032 is 44622.4610706313
• The cube root of 1991164032 is 1258.0628737249

Scales and comparisons

• 1,991,164,032 seconds is equal to 63 years, 16 weeks, 1 day, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 1,991,164,032 would take you about one 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 1991164032 cubic inches would be around 104.8 feet tall.

Recreational maths with 1991164032

• 1991164032 backwards is 2304611991
• 1991164032 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1991164032's digits is 36
• More coming soon!