1981729152

Names of 1981729152

• Cardinal: 1981729152 can be written as One billion, nine hundred eighty-one million, seven hundred twenty-nine thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.981729152 × 10⁹

Factors of 1981729152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 47

Divisors of 1981729152

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 29 32 36 39 48 52 54 58 64 72 78 81 87 96 104 108 116 117 128 144 156 162 169 174 192 208 216 232 234 243 261 288 312 324 338 348 351 377 384 416 432 464 468 486 507 522 576 624 648 676 696 702 754 783 832 864 928 936 972 1014 1044 1053 1131 1152 1248 1296 1352 1392 1404 1508 1521 1566 1664 1728 1856 1872 1944 2028 2088 2106 2197 2262 2349 2496 2592 2704 2784 2808 3016 3042 3132 3159 3393 3456 3712 3744 3888 4056 4176 4212 4394 4524 4563 4698 4901 4992 5184 5408 5568 5616 6032 6084 6264 6318 6591 6786 7047 7488 7776 8112 8352 8424 8788 9048 9126 9396 9802 10179 10368 10816 11136 11232 12064 12168 12528 12636 13182 13572 13689 14094 14703 14976 15552 16224 16704 16848 17576 18096 18252 18792 19604 19773 20358 21632 22464 24128 24336 25056 25272 26364 27144 27378 28188 29406 30537 31104 32448 33408 33696 35152 36192 36504 37584 39208 39546 40716 41067 44109 44928 48256 48672 50112 50544 52728 54288 54756 56376 58812 59319 61074 63713 64896 67392 70304 72384 73008 75168 78416 79092 81432 82134 88218 91611 97344 100224 101088 105456 108576 109512 112752 117624 118638 122148 127426 132327 134784 140608 144768 146016 150336 156832 158184 162864 164268 176436 177957 183222 191139 194688 202176 210912 217152 219024 225504 235248 237276 244296 254852 264654 281216 292032 300672 313664 316368 325728 328536 352872 355914 366444 382278 396981 404352 421824 434304 438048 451008 470496 474552 488592 509704 529308 533871 573417 584064 627328 632736 651456 657072 705744 711828 732888 764556 793962 843648 876096 902016 940992 949104 977184 1019408 1058616 1067742 1146834 1190943 1265472 1302912 1314144 1411488 1423656 1465776 1529112 1587924 1720251 1752192 1881984 1898208 1954368 2038816 2117232 2135484 2293668 2381886 2530944 2628288 2822976 2847312 2931552 3058224 3175848 3440502 3796416 3908736 4077632 4234464 4270968 4587336 4763772 5160753 5256576 5645952 5694624 5863104 6116448 6351696 6881004 7592832 8155264 8468928 8541936 9174672 9527544 10321506 11389248 11726208 12232896 12703392 13762008 15482259 16937856 17083872 18349344 19055088 20643012 22778496 24465792 25406784 27524016 30964518 34167744 36698688 38110176 41286024 50813568 55048032 61929036 68335488 73397376 76220352 82572048 110096064 123858072 152440704 165144096 220192128 247716144 330288192 495432288 660576384 990864576 1981729152
• Sum of all divisors σ(n): 6627348000
• Sum of proper divisors (its aliquot sum) s(n): 4645618848
• 1981729152 is an abundant number, because the sum of its proper divisors (4645618848) is greater than itself. Its abundance is 2663889696

Bases of 1981729152

• Binary: 1110110000111101100100110000000₂
• Hexadecimal: 0x761EC980
• Base-36: WRVC00

Squares and roots of 1981729152

• 1981729152 squared (1981729152²) is 3927250431886639104
• 1981729152 cubed (1981729152³) is 7782746668074343071699959808
• The square root of 1981729152 is 44516.6165830243
• The cube root of 1981729152 is 1256.0726694671

Scales and comparisons

• 1,981,729,152 seconds is equal to 63 years, 4 days, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 1,981,729,152 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 1981729152 cubic inches would be around 104.7 feet tall.

Recreational maths with 1981729152

• 1981729152 backwards is 2519271891
• The number of decimal digits it has is: 10
• The sum of 1981729152's digits is 45
• More coming soon!