28031920128

Names of 28031920128

• Cardinal: 28031920128 can be written as Twenty-eight billion, thirty-one million, nine hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8031920128 × 10¹⁰

Factors of 28031920128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 138

Divisors of 28031920128

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 31 32 36 46 48 54 62 64 69 72 79 81 92 93 96 108 124 128 138 144 158 162 184 186 192 207 216 237 243 248 256 276 279 288 316 324 368 372 384 414 432 474 486 496 512 552 558 576 621 632 648 711 713 736 744 768 828 837 864 948 972 992 1024 1104 1116 1152 1242 1264 1296 1422 1426 1472 1488 1536 1656 1674 1728 1817 1863 1896 1944 1984 2048 2133 2139 2208 2232 2304 2449 2484 2511 2528 2592 2844 2852 2944 2976 3072 3312 3348 3456 3634 3726 3792 3888 3968 4266 4278 4416 4464 4608 4898 4968 5022 5056 5184 5451 5589 5688 5704 5888 5952 6144 6399 6417 6624 6696 6912 7268 7347 7452 7533 7584 7776 7936 8532 8556 8832 8928 9216 9796 9936 10044 10112 10368 10902 11178 11376 11408 11776 11904 12798 12834 13248 13392 13824 14536 14694 14904 15066 15168 15552 15872 16353 17064 17112 17664 17856 18432 19197 19251 19592 19872 20088 20224 20736 21804 22041 22356 22752 22816 23552 23808 25596 25668 26496 26784 27648 29072 29388 29808 30132 30336 31104 31744 32706 34128 34224 35328 35712 38394 38502 39184 39744 40176 40448 41472 43608 44082 44712 45504 45632 47104 47616 49059 51192 51336 52992 53568 55296 56327 57753 58144 58776 59616 60264 60672 62208 63488 65412 66123 68256 68448 70656 71424 76788 77004 78368 79488 80352 80896 82944 87216 88164 89424 91008 91264 95232 98118 102384 102672 105984 107136 112654 115506 116288 117552 119232 120528 121344 124416 130824 132246 136512 136896 141312 142848 147177 153576 154008 156736 158976 160704 161792 165888 168981 173259 174432 176328 178848 182016 182528 190464 196236 198369 204768 205344 211968 214272 225308 231012 232576 235104 238464 241056 242688 248832 261648 264492 273024 273792 285696 294354 307152 308016 313472 317952 321408 337962 346518 348864 352656 357696 364032 365056 392472 396738 409536 410688 423936 428544 441531 450616 462024 465152 470208 476928 482112 485376 497664 506943 523296 528984 546048 547584 571392 588708 595107 614304 616032 626944 635904 642816 675924 693036 697728 705312 715392 728064 730112 784944 793476 819072 821376 857088 883062 901232 924048 930304 940416 953856 964224 1013886 1046592 1057968 1092096 1095168 1177416 1190214 1228608 1232064 1253888 1271808 1285632 1351848 1386072 1395456 1410624 1430784 1456128 1460224 1520829 1569888 1586952 1638144 1642752 1714176 1766124 1802464 1848096 1860608 1880832 1907712 1928448 2027772 2093184 2115936 2184192 2190336 2354832 2380428 2457216 2464128 2507776 2571264 2703696 2772144 2790912 2821248 2861568 3041658 3139776 3173904 3276288 3285504 3532248 3604928 3696192 3721216 3761664 3815424 3856896 4055544 4186368 4231872 4368384 4380672 4562487 4709664 4760856 4914432 4928256 5015552 5142528 5407392 5544288 5581824 5642496 5723136 6083316 6279552 6347808 6552576 6571008 7064496 7209856 7392384 7523328 7713792 8111088 8372736 8463744 9124974 9419328 9521712 9828864 9856512 10814784 11088576 11163648 11284992 11446272 12166632 12559104 12695616 13105152 13142016 13687461 14128992 14419712 14784768 15046656 15427584 16222176 16745472 16927488 18249948 18838656 19043424 19657728 19713024 21629568 22177152 22569984 24333264 25118208 25391232 27374922 28257984 28839424 29569536 32444352 33490944 33854976 36499896 37677312 38086848 39315456 39426048 43259136 44354304 45139968 48666528 50236416 50782464 54749844 56515968 57678848 59139072 64888704 67709952 72999792 75354624 76173696 86518272 88708608 97333056 100472832 101564928 109499688 113031936 115357696 118278144 129777408 135419904 145999584 150709248 152347392 173036544 177417216 194666112 203129856 218999376 226063872 259554816 291999168 301418496 304694784 346073088 354834432 389332224 406259712 437998752 452127744 519109632 583998336 609389568 778664448 875997504 904255488 1038219264 1167996672 1218779136 1557328896 1751995008 2335993344 3114657792 3503990016 4671986688 7007980032 9343973376 14015960064 28031920128
• Sum of all divisors σ(n): 91581235200
• Sum of proper divisors (its aliquot sum) s(n): 63549315072
• 28031920128 is an abundant number, because the sum of its proper divisors (63549315072) is greater than itself. Its abundance is 35517394944

Bases of 28031920128

• Binary: 11010000110110101010010100000000000₂
• Hexadecimal: 0x686D52800
• Base-36: CVLHC00

Squares and roots of 28031920128

• 28031920128 squared (28031920128²) is 785788546062571536384
• 28031920128 cubed (28031920128³) is 22027161760723254198202533937152
• The square root of 28031920128 is 167427.3577644943
• The cube root of 28031920128 is 3037.7424421027

Scales and comparisons

• 28,031,920,128 seconds is equal to 891 years, 17 weeks, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 28,031,920,128 would take you about one thousand, seven hundred eighty-two 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 28031920128 cubic inches would be around 253.1 feet tall.

Recreational maths with 28031920128

• 28031920128 backwards is 82102913082
• 28031920128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28031920128's digits is 36
• More coming soon!