161612861472

Names of 161612861472

• Cardinal: 161612861472 can be written as One hundred sixty-one billion, six hundred twelve million, eight hundred sixty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.61612861472 × 10¹¹

Factors of 161612861472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 125

Divisors of 161612861472

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 81 89 93 96 108 124 144 162 178 186 216 243 248 267 279 288 324 356 372 432 486 496 534 558 648 712 729 744 801 837 864 961 972 992 1068 1116 1296 1424 1458 1488 1602 1674 1922 1944 2136 2187 2232 2403 2511 2592 2759 2848 2883 2916 2976 3204 3348 3844 3888 4272 4374 4464 4806 5022 5518 5766 5832 6408 6561 6696 7209 7533 7688 7776 8277 8544 8649 8748 8928 9612 10044 11036 11532 11664 12816 13122 13392 14418 15066 15376 16554 17298 17496 19224 19683 20088 21627 22072 22599 23064 23328 24831 25632 25947 26244 26784 28836 30132 30752 33108 34596 34992 38448 39366 40176 43254 44144 45198 46128 49662 51894 52488 57672 59049 60264 64881 66216 67797 69192 69984 74493 76896 77841 78732 80352 85529 86508 88288 90396 92256 99324 103788 104976 115344 118098 120528 129762 132432 135594 138384 148986 155682 157464 171058 173016 180792 194643 198648 203391 207576 209952 223479 230688 233523 236196 241056 256587 259524 264864 271188 276768 297972 311364 314928 342116 346032 361584 389286 397296 406782 415152 446958 467046 472392 513174 519048 542376 583929 595944 610173 622728 629856 670437 684232 692064 700569 723168 769761 778572 794592 813564 830304 893916 934092 944784 1026348 1038096 1084752 1167858 1191888 1220346 1245456 1340874 1368464 1401138 1539522 1557144 1627128 1751787 1787832 1830519 1868184 1889568 2011311 2052696 2076192 2101707 2169504 2309283 2335716 2383776 2440692 2490912 2681748 2736928 2802276 3079044 3114288 3254256 3503574 3575664 3661038 3736368 4022622 4105392 4203414 4618566 4671432 4881384 5255361 5363496 5604552 6033933 6158088 6228576 6305121 6508512 6927849 7007148 7151328 7322076 7472736 8045244 8210784 8406828 9237132 9342864 9762768 10510722 10726992 11209104 12067866 12316176 12610242 13855698 14014296 14644152 16090488 16813656 18101799 18474264 18685728 18915363 19525536 20783547 21021444 21453984 22418208 24135732 24632352 25220484 27711396 28028592 29288304 32180976 33627312 36203598 36948528 37830726 41567094 42042888 48271464 50440968 54305397 55422792 56057184 56746089 58576608 62350641 64361952 67254624 72407196 73897056 75661452 83134188 84085776 96542928 100881936 108610794 110845584 113492178 124701282 144814392 151322904 162916191 166268376 168171552 187051923 193085856 201763872 217221588 221691168 226984356 249402564 289628784 302645808 325832382 332536752 374103846 434443176 453968712 498805128 561155769 579257568 605291616 651664764 665073504 748207692 868886352 907937424 997610256 1122311538 1303329528 1496415384 1683467307 1737772704 1815874848 1995220512 2244623076 2606659056 2992830768 3366934614 4489246152 5050401921 5213318112 5985661536 6733869228 8978492304 10100803842 13467738456 17956984608 20201607684 26935476912 40403215368 53870953824 80806430736 161612861472
• Sum of all divisors σ(n): 498693447630
• Sum of proper divisors (its aliquot sum) s(n): 337080586158
• 161612861472 is an abundant number, because the sum of its proper divisors (337080586158) is greater than itself. Its abundance is 175467724686

Bases of 161612861472

• Binary: 10010110100000111000001001000000100000₂
• Hexadecimal: 0x25A0E09020
• Base-36: 228S4I00

Squares and roots of 161612861472

• 161612861472 squared (161612861472²) is 26118716993167862006784
• 161612861472 cubed (161612861472³) is 4221120591243210052944794516226048
• The square root of 161612861472 is 402011.0215802547
• The cube root of 161612861472 is 5447.0158617455

Scales and comparisons

• 161,612,861,472 seconds is equal to 5,138 years, 41 weeks, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 161,612,861,472 would take you about ten thousand, two hundred seventy-seven 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 161612861472 cubic inches would be around 453.9 feet tall.

Recreational maths with 161612861472

• 161612861472 backwards is 274168216161
• The number of decimal digits it has is: 12
• The sum of 161612861472's digits is 45
• More coming soon!