28155426816

Names of 28155426816

• Cardinal: 28155426816 can be written as Twenty-eight billion, one hundred fifty-five million, four hundred twenty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.8155426816 × 10¹⁰

Factors of 28155426816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 405

Divisors of 28155426816

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 23 24 32 33 44 46 48 59 64 66 69 88 92 96 118 128 132 138 176 177 184 192 236 253 256 264 276 307 352 354 368 384 472 506 512 528 552 614 649 704 708 736 759 768 921 944 1012 1024 1056 1104 1228 1298 1357 1408 1416 1472 1518 1536 1842 1888 1947 2024 2048 2112 2208 2456 2596 2714 2816 2832 2944 3036 3072 3377 3684 3776 3894 4048 4071 4224 4416 4912 5192 5428 5632 5664 5888 6072 6144 6754 7061 7368 7552 7788 8096 8142 8448 8832 9824 10131 10384 10856 11264 11328 11776 12144 13508 14122 14736 14927 15104 15576 16192 16284 16896 17664 18113 19648 20262 20768 21183 21712 22528 22656 23552 24288 27016 28244 29472 29854 30208 31152 32384 32568 33792 35328 36226 39296 40524 41536 42366 43424 44781 45312 47104 48576 54032 54339 56488 58944 59708 60416 62304 64768 65136 67584 70656 72452 77671 78592 81048 83072 84732 86848 89562 90624 97152 108064 108678 112976 117888 119416 120832 124608 129536 130272 141312 144904 155342 157184 162096 166144 169464 173696 179124 181248 194304 199243 216128 217356 225952 233013 235776 238832 249216 259072 260544 289808 310684 314368 324192 332288 338928 347392 358248 362496 388608 398486 416599 432256 434712 451904 466026 471552 477664 498432 518144 521088 579616 597729 621368 628736 648384 664576 677856 694784 716496 777216 796972 833198 864512 869424 903808 932052 943104 955328 996864 1042176 1159232 1195458 1242736 1249797 1296768 1329152 1355712 1389568 1432992 1554432 1593944 1666396 1729024 1738848 1807616 1864104 1886208 1910656 1993728 2084352 2318464 2390916 2485472 2499594 2593536 2711424 2779136 2865984 3187888 3332792 3458048 3477696 3615232 3728208 3821312 3987456 4168704 4582589 4636928 4781832 4970944 4999188 5187072 5422848 5731968 6375776 6665584 6916096 6955392 7230464 7456416 7642624 8337408 9165178 9273856 9563664 9941888 9998376 10374144 10845696 11463936 12751552 13331168 13747767 13910784 14460928 14912832 15285248 18330356 18547712 19127328 19883776 19996752 20748288 21691392 22927872 25503104 26662336 27495534 27821568 29825664 30570496 36660712 37095424 38254656 39767552 39993504 43382784 45855744 51006208 53324672 54991068 55643136 59651328 73321424 76509312 79535104 79987008 91711488 102012416 106649344 109982136 111286272 119302656 146642848 153018624 159070208 159974016 204024832 213298688 219964272 238605312 293285696 306037248 319948032 408049664 426597376 439928544 477210624 586571392 612074496 639896064 853194752 879857088 1173142784 1224148992 1279792128 1759714176 2346285568 2559584256 3519428352 4692571136 7038856704 9385142272 14077713408 28155426816
• Sum of all divisors σ(n): 87178291200
• Sum of proper divisors (its aliquot sum) s(n): 59022864384
• 28155426816 is an abundant number, because the sum of its proper divisors (59022864384) is greater than itself. Its abundance is 30867437568

Bases of 28155426816

• Binary: 11010001110001100011011100000000000₂
• Hexadecimal: 0x68E31B800
• Base-36: CXN0IDC

Squares and roots of 28155426816

• 28155426816 squared (28155426816²) is 792728059191131897856
• 28155426816 cubed (28155426816³) is 22319596855545630306287795306496
• The square root of 28155426816 is 167795.7890294033
• The cube root of 28155426816 is 3042.1972664983

Scales and comparisons

• 28,155,426,816 seconds is equal to 895 years, 13 weeks, 1 day, 23 hours, 53 minutes, 36 seconds.
• To count from 1 to 28,155,426,816 would take you about one thousand, seven hundred ninety 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 28155426816 cubic inches would be around 253.5 feet tall.

Recreational maths with 28155426816

• 28155426816 backwards is 61862455182
• 28155426816 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28155426816's digits is 48
• More coming soon!