161842987008

Names of 161842987008

• Cardinal: 161842987008 can be written as One hundred sixty-one billion, eight hundred forty-two million, nine hundred eighty-seven thousand and eight.

Scientific notation

• Scientific notation: 1.61842987008 × 10¹¹

Factors of 161842987008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 145

Divisors of 161842987008

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 64 72 74 81 96 103 108 111 128 144 148 162 192 206 216 222 256 288 296 309 324 333 384 412 432 444 512 576 592 618 648 666 768 824 864 888 927 999 1024 1152 1184 1236 1296 1332 1536 1648 1728 1776 1854 1998 2048 2304 2368 2472 2592 2664 2781 2997 3072 3296 3456 3552 3708 3811 3996 4096 4608 4736 4944 5184 5328 5562 5994 6144 6592 6912 7104 7416 7622 7992 8192 8343 9216 9472 9888 10368 10656 11124 11433 11988 12288 13184 13824 14208 14832 15244 15984 16384 16686 18432 18944 19776 20736 21312 22248 22866 23976 24576 26368 27648 28416 29664 30488 31968 32768 33372 34299 36864 37888 39552 41472 42624 44496 45732 47952 49152 52736 55296 56832 59328 60976 63936 65536 66744 68598 73728 75776 79104 82944 85248 88992 91464 95904 98304 102897 105472 110592 113664 118656 121952 127872 131072 133488 137196 147456 151552 158208 165888 170496 177984 182928 191808 196608 205794 210944 221184 227328 237312 243904 255744 262144 266976 274392 294912 303104 308691 316416 331776 340992 355968 365856 383616 393216 411588 421888 442368 454656 474624 487808 511488 524288 533952 548784 589824 606208 617382 632832 663552 681984 711936 731712 767232 786432 823176 843776 884736 909312 949248 975616 1022976 1067904 1097568 1179648 1212416 1234764 1265664 1327104 1363968 1423872 1463424 1534464 1572864 1646352 1687552 1769472 1818624 1898496 1951232 2045952 2135808 2195136 2359296 2424832 2469528 2531328 2654208 2727936 2847744 2926848 3068928 3292704 3375104 3538944 3637248 3796992 3902464 4091904 4271616 4390272 4718592 4849664 4939056 5062656 5308416 5455872 5695488 5853696 6137856 6585408 6750208 7077888 7274496 7593984 7804928 8183808 8543232 8780544 9699328 9878112 10125312 10616832 10911744 11390976 11707392 12275712 13170816 13500416 14155776 14548992 15187968 15609856 16367616 17086464 17561088 19398656 19756224 20250624 21233664 21823488 22781952 23414784 24551424 26341632 27000832 29097984 30375936 31219712 32735232 34172928 35122176 39512448 40501248 42467328 43646976 45563904 46829568 49102848 52683264 54001664 58195968 60751872 62439424 65470464 68345856 70244352 79024896 81002496 87293952 91127808 93659136 98205696 105366528 121503744 124878848 130940928 136691712 140488704 158049792 162004992 174587904 182255616 187318272 196411392 210733056 243007488 249757696 261881856 273383424 280977408 316099584 364511232 374636544 392822784 421466112 486014976 499515392 523763712 546766848 561954816 632199168 729022464 749273088 785645568 842932224 999030784 1093533696 1123909632 1264398336 1458044928 1498546176 1571291136 1685864448 1998061568 2187067392 2247819264 2528796672 2997092352 3371728896 4374134784 4495638528 5057593344 5994184704 6743457792 8991277056 10115186688 13486915584 17982554112 20230373376 26973831168 40460746752 53947662336 80921493504 161842987008
• Sum of all divisors σ(n): 501420176400
• Sum of proper divisors (its aliquot sum) s(n): 339577189392
• 161842987008 is an abundant number, because the sum of its proper divisors (339577189392) is greater than itself. Its abundance is 177734202384

Bases of 161842987008

• Binary: 10010110101110100110000000000000000000₂
• Hexadecimal: 0x25AE980000
• Base-36: 22CL4W00

Squares and roots of 161842987008

• 161842987008 squared (161842987008²) is 26193152443671656792064
• 161842987008 cubed (161842987008³) is 4239178030639715402015848909504512
• The square root of 161842987008 is 402297.1377079385
• The cube root of 161842987008 is 5449.6000268487

Scales and comparisons

• 161,842,987,008 seconds is equal to 5,146 years, 5 weeks, 3 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 161,842,987,008 would take you about ten thousand, two hundred ninety-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 161842987008 cubic inches would be around 454.1 feet tall.

Recreational maths with 161842987008

• 161842987008 backwards is 800789248161
• 161842987008 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161842987008's digits is 54
• More coming soon!